[apops] The CIDR Report
This report has been generated at Fri Jan 10 21:45:48 2020 AEST. The report analyses the BGP Routing Table as seen within AS131072 and generates a report on aggregation potential within the table. Check https://www.cidr-report.org/v6 for a current version of this report. Recent Table History Date PrefixesCIDR Agg 03-01-20 79252 4 04-01-20 79433 45543 05-01-20 79455 45542 06-01-20 79454 45612 07-01-20 79420 45651 08-01-20 79712 45628 09-01-20 79715 45580 10-01-20 79627 45580 AS Summary 18700 Number of ASes in routing system 12037 Number of ASes announcing only one prefix 1771 Largest number of prefixes announced by an AS AS11172: Alestra, S. de R.L. de C.V., MX 36318243520512 (/18.95) Largest address span announced by an AS (/64s) AS7922 : COMCAST-7922 - Comcast Cable Communications, LLC, US Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. --- 10Jan20 --- ASnumNetsNow NetsAggr NetGain % Gain Description Table 79652456323402042.7% All ASes AS11172 1771 96 167594.6% Alestra, S. de R.L. de C.V., MX AS12479 13595 135499.6% UNI2-AS, ES AS28573 1179 140 103988.1% CLARO S.A., BR AS45609 1220 185 103584.8% BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN AS22773 991 32 95996.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US AS45271 1048 187 86182.2% ICLNET-AS-AP Idea Cellular Limited, IN AS7552 7292 72799.7% VIETEL-AS-AP Viettel Group, VN AS32098 717 31 68695.7% TRANSTELCO-INC - Transtelco Inc, US AS8376 964 299 66569.0% Jordan Data Communications, JO AS33363 659 70 58989.4% BHN-33363 - Charter Communications, Inc, US AS16509 1245 710 53543.0% AMAZON-02 - Amazon.com, Inc., US AS4134 501 29 47294.2% CHINANET-BACKBONE No.31,Jin-rong Street, CN AS17622 498 111 38777.7% CNCGROUP-GZ China Unicom Guangzhou network, CN AS9808 374 26 34893.0% CMNET-GD Guangdong Mobile Communication Co.Ltd., CN AS13142 364 22 34294.0% MOBIFONE-AS-VN MOBIFONE Corporation, VN AS9829 471 145 32669.2% BSNL-NIB National Internet Backbone, IN AS30036 545 228 31758.2% MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US AS13361 364 62 30283.0% VODAFONE-AS-AP Vodafone Australia Pty Ltd, AU AS3462 2686 26297.8% HINET Data Communication Business Group, TW AS17552 308 50 25883.8% TRUE-AS-AP True Internet Co.,Ltd., TH AS9605 271 14 25794.8% DOCOMO NTT DOCOMO, INC., JP AS13206 2581 25799.6% REALMOVE-AS-AP Realmove Company Limited, TH AS8151 358 103 25571.2% Uninet S.A. de C.V., MX AS24173 2583 25598.8% NETNAM-AS-AP Netnam Company, VN AS55303 287 42 24585.4% EAGLENET-AP 60 Market Square,P.O. Box 364, PH AS24158 2392 23799.2% TAIWANMOBILE-AS Taiwan Mobile Co., Ltd., TW AS174330 114 21665.5% COGENT-174 - Cogent Communications, US AS39891 2146 20897.2% ALJAWWALSTC-AS, SA AS4808 234 35 19985.0% CHINA169-BJ China Unicom Beijing Province Network, CN AS54113 720 525 19527.1%
[apops] The CIDR Report
This report has been generated at Fri Jan 10 21:16:06 2020 AEST. The report analyses the eBGP Routing Table at AS131072 and generates a report on aggregation potential within the table. Check https://www.cidr-report.org/2.0 for a current version of this report. Recent Table History Date PrefixesCIDR Agg 03-01-20813946 447112 04-01-20813680 447544 05-01-20814087 447000 06-01-20813954 447345 07-01-20814130 448040 08-01-20814589 448302 09-01-20814398 448321 10-01-20815012 448085 AS Summary 66914 Number of ASes in routing system 24094 Number of ASes announcing only one prefix 6181 Largest number of prefixes announced by an AS AS8151 : Uninet S.A. de C.V., MX 116345088 Largest address span announced by an AS (/32s) AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street, CN Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 10Jan20 --- ASnumNetsNow NetsAggr NetGain % Gain Description Table 814869 448107 36676245.0% All ASes AS8151 6181 923 525885.1% Uninet S.A. de C.V., MX AS39891 4034 24 401099.4% ALJAWWALSTC-AS, SA AS7155 4047 433 361489.3% VIASAT-SP-BACKBONE - ViaSat,Inc., US AS22773 3518 218 330093.8% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US AS6327 3364 93 327197.2% SHAW - Shaw Communications Inc., CA AS8551 3124 238 288692.4% BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone, IL AS47331 5958 3180 277846.6% TTNET, TR AS31334 3439 813 262676.4% KABELDEUTSCHLAND-AS, DE AS7552 3304 692 261279.1% VIETEL-AS-AP Viettel Group, VN AS12479 5824 3219 260544.7% UNI2-AS, ES AS11830 2680 148 253294.5% Instituto Costarricense de Electricidad y Telecom., CR AS4538 4626 2128 249854.0% ERX-CERNET-BKB China Education and Research Network Center, CN AS9808 2619 299 232088.6% CMNET-GD Guangdong Mobile Communication Co.Ltd., CN AS45899 3179 902 227771.6% VNPT-AS-VN VNPT Corp, VN AS7713 2698 501 219781.4% TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID AS11492 3859 1913 194650.4% CABLEONE - CABLE ONE, INC., US AS9394 2096 170 192691.9% CTTNET China TieTong Telecommunications Corporation, CN AS7545 5214 3388 182635.0% TPG-INTERNET-AP TPG Telecom Limited, AU AS18403 2117 293 182486.2% FPT-AS-AP The Corporation for Financing & Promoting Technology, VN AS4755 2136 491 164577.0% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN AS12389 2417 793 162467.2% ROSTELECOM-AS, RU AS16509 3799 2191 160842.3% AMAZON-02 - Amazon.com, Inc., US AS20115 2134 526 160875.4% CHARTER-20115 - Charter Communications, US AS26484 1804 296 150883.6% IKGUL-26484 - Internet Keeper Global, US AS4766 2266 814 145264.1% KIXS-AS-KR Korea Telecom, KR AS13470 1852 448 140475.8% ITACE-AS-AP Itace International Limited, HK AS45090 1788 415 137376.8% CNNIC-TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN AS6389 1466 153 131389.6% BELLSOUTH-NET-BLK - AT Corp., US AS23969 1859 630 122966.1% TOT-NET TOT Public Company
[apops] BGP Update Report
BGP Update Report Interval: 26-Dec-19 -to- 09-Jan-20 (14 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS2561 563464 9.2%7718.7 -- EUN, EG 2 - AS21299 356744 5.8% 582.9 -- KAR-TEL-AS Almaty, Republic of Kazakhstan, KZ 3 - AS6879 151949 2.5%6331.2 -- ENSTINET-, EG 4 - AS982993527 1.5% 45.4 -- BSNL-NIB National Internet Backbone, IN 5 - AS815188267 1.4% 16.6 -- Uninet S.A. de C.V., MX 6 - AS16509 85609 1.4% 46.7 -- AMAZON-02 - Amazon.com, Inc., US 7 - AS840279843 1.3% 436.3 -- CORBINA-AS OJSC "Vimpelcom", RU 8 - AS27738 63669 1.0% 81.7 -- Ecuadortelecom S.A., EC 9 - AS13904 60119 1.0% 438.8 -- COSLINK - Cherryland Services Inc, US 10 - AS383259420 1.0% 29710.0 -- CINE-NET - Cinenet Communications, US 11 - AS28469 50952 0.8% 547.9 -- AT COMUNICACIONES DIGITALES S DE RL, MX 12 - AS22047 46206 0.8% 75.6 -- VTR BANDA ANCHA S.A., CL 13 - AS930844579 0.7%4953.2 -- CHINA-ABITCOOL Abitcool(China) Inc., CN 14 - AS11123 42475 0.7%2654.7 -- UIA - Ultimate Internet Access, Inc, US 15 - AS26405 41863 0.7%2790.9 -- HDCS - HORIZON DATA SOLUTIONS, LLC, US 16 - AS36903 41440 0.7% 52.7 -- MT-MPLS, MA 17 - AS36029 40497 0.7%5062.1 -- SGINC - Search Guide Inc, US 18 - AS17072 29862 0.5% 121.4 -- TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX 19 - AS47331 29269 0.5% 4.7 -- TTNET, TR 20 - AS55665 28329 0.5%1180.4 -- STMI-AS-ID PT Sampoerna Telemedia Indonesia, ID TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS383259420 1.0% 29710.0 -- CINE-NET - Cinenet Communications, US 2 - AS25000 14542 0.2% 14542.0 -- DVCOM-AS, UA 3 - AS2561 563464 9.2%7718.7 -- EUN, EG 4 - AS2048706487 0.1%6487.0 -- PL-UMBYD-NET, PL 5 - AS269648 19330 0.3%6443.3 -- F. S. DA S. OLIVEIRA, BR 6 - AS6879 151949 2.5%6331.2 -- ENSTINET-, EG 7 - AS2121 5743 0.1%5743.0 -- RIPE-MEETING-AS, NL 8 - AS18465 26940 0.4%5388.0 -- WORKDAY-01 - Workday, Inc., US 9 - AS2088405140 0.1%5140.0 -- PORT53-AS, DE 10 - AS36029 40497 0.7%5062.1 -- SGINC - Search Guide Inc, US 11 - AS135587 10063 0.2%5031.5 -- S-TECH-AS-AP S-Tech Development Co., Ltd, LA 12 - AS930844579 0.7%4953.2 -- CHINA-ABITCOOL Abitcool(China) Inc., CN 13 - AS9459 4808 0.1%4808.0 -- ASKONKUK Konkuk University, KR 14 - AS1997884481 0.1%4481.0 -- MPS, GB 15 - AS146004389 0.1%4389.0 -- MXL-PROD - MX Logic, Inc., US 16 - AS268787846 0.1%3923.0 -- TWRS-NYC - Towerstream I, Inc., US 17 - AS58363 15105 0.2%3776.2 -- RESEARCH-AS58363, DK 18 - AS58364 15019 0.2%3754.8 -- RESEARCH-AS58364, DK 19 - AS58365 14993 0.2%3748.2 -- RESEARCH-AS58365, DK 20 - AS58361 14736 0.2%3684.0 -- RESEARCH-AS58361, DK TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 201.183.255.0/24 42136 0.7% AS27738 -- Ecuadortelecom S.A., EC 2 - 67.211.53.0/2441804 0.7% AS26405 -- HDCS - HORIZON DATA SOLUTIONS, LLC, US 3 - 78.106.203.0/24 38801 0.6% AS8402 -- CORBINA-AS OJSC "Vimpelcom", RU 4 - 128.73.15.0/2438741 0.6% AS8402 -- CORBINA-AS OJSC "Vimpelcom", RU 5 - 216.238.254.0/23 33308 0.5% AS13904 -- COSLINK - Cherryland Services Inc, US 6 - 198.148.151.0/24 29712 0.5% AS3832 -- CINE-NET - Cinenet Communications, US 7 - 199.245.187.0/24 29708 0.5% AS3832 -- CINE-NET - Cinenet Communications, US 8 - 209.177.171.0/24 26930 0.4% AS18465 -- WORKDAY-01 - Workday, Inc., US 9 - 203.1.78.0/24 26124 0.4% AS4739 -- INTERNODE-AS Internode Pty Ltd, AU 10 - 177.136.12.0/24 26117 0.4% AS52871 -- TASCOM TELECOMUNICAÇÕES LTDA, BR 11 - 64.68.236.0/2225410 0.4% AS13904 -- COSLINK - Cherryland Services Inc, US 12 - 124.250.0.0/1622284 0.3% AS9308 -- CHINA-ABITCOOL Abitcool(China) Inc., CN AS9802 -- CHINA-ABITCOOL Abitcool(China) Inc., CN 13 - 203.196.0.0/2222284 0.3% AS9308 -- CHINA-ABITCOOL Abitcool(China) Inc., CN AS9802 -- CHINA-ABITCOOL Abitcool(China) Inc., CN 14 - 87.247.32.0/2221188 0.3% AS21299 -- KAR-TEL-AS Almaty, Republic of Kazakhstan, KZ 15 - 213.109.220.0/22 20567 0.3% AS21299 -- KAR-TEL-AS Almaty, Republic of Kazakhstan, KZ 16 - 87.247.60.0/2220533 0.3% AS21299 -- KAR-TEL-AS Almaty, Republic of Kazakhstan, KZ 17 -
[apops] IPv6 BGP Update Report
IPv6 BGP Update Report Interval: 26-Dec-19 -to- 09-Jan-20 (14 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASNUpds % Upds/PfxAS-Name 1 - AS18881158929 7.1%4182.3 -- TELEFONICA BRASIL S.A, BR 2 - AS26957596195 4.3%5658.5 -- XIS 1 INTERNET FIBRA EIRELI, BR 3 - AS38082 56868 2.5%9478.0 -- IIT-TIG-AS-AP True International Gateway Co., Ltd., TH 4 - AS27651 51448 2.3% 401.9 -- ENTEL CHILE S.A., CL 5 - AS28006 50677 2.3% 351.9 -- CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP, EC 6 - AS26615 45222 2.0% 318.5 -- TIM S/A, BR 7 - AS9829 40726 1.8% 86.7 -- BSNL-NIB National Internet Backbone, IN 8 - AS20940 37383 1.7% 97.6 -- AKAMAI-ASN1, US 9 - AS20231436721 1.6% 12240.3 -- CATGIRL-AS, GB 10 - AS12208 33562 1.5%1864.6 -- TRUVISTA - TruVista Communications, US 11 - AS7303 28831 1.3% 364.9 -- Telecom Argentina S.A., AR 12 - AS30361 27992 1.2% 13996.0 -- SWIFTWILL2 - Swiftwill, Inc., US 13 - AS28177 26847 1.2%5369.4 -- NETWORKBRASIL Ltda., BR 14 - AS52643 24653 1.1%4108.8 -- N Tecnologia LTDA, BR 15 - AS26631224033 1.1%1502.1 -- NaveNet Telecom, BR 16 - AS28073 23068 1.0% 384.5 -- Cooperativa Electrica Trenque Lauquen, AR 17 - AS26625322843 1.0%5710.8 -- C A DE SOUZA - EPP, BR 18 - AS22689 20790 0.9%1485.0 -- Sercomtel Participacoes S.A., BR 19 - AS28598 20788 0.9%1484.9 -- Mob Servicos de Telecomunicacoes Ltda, BR 20 - AS49762 19773 0.9% 19773.0 -- SMN-AS, FI TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASNUpds % Upds/PfxAS-Name 1 - AS49762 19773 0.9% 19773.0 -- SMN-AS, FI 2 - AS20862415395 0.7% 15395.0 -- BILLY-AS, GB 3 - AS20808814012 0.6% 14012.0 -- AS_HOSTDOC, GB 4 - AS30361 27992 1.2% 13996.0 -- SWIFTWILL2 - Swiftwill, Inc., US 5 - AS9890 13714 0.6% 13714.0 -- ATOSINFOTECH-SG-AP ATOS Information Technology (Singapore) Pte Ltd, SG 6 - AS20231436721 1.6% 12240.3 -- CATGIRL-AS, GB 7 - AS38082 56868 2.5%9478.0 -- IIT-TIG-AS-AP True International Gateway Co., Ltd., TH 8 - AS32629 18537 0.8%9268.5 -- CITY-OF-CHARLOTTE-ASN - City of Charlotte, US 9 - AS268605 8401 0.4%8401.0 -- SRG TELECOM LTDA, BR 10 - AS92 7218 0.3%7218.0 -- CLARKSON-AS - Clarkson University, US 11 - AS26246414342 0.6%7171.0 -- TRIP TECNOLOGIA LTDA, BR 12 - AS265009 6623 0.3%6623.0 -- D C SANTOS COMUNICACAO COMERCIO E SERV, BR 13 - AS52700 6483 0.3%6483.0 -- ITLINE TELECOM, BR 14 - AS26727612599 0.6%6299.5 -- CGC EQUIPAMENTOS E SERVICOS LTDA, BR 15 - AS265190 6106 0.3%6106.0 -- Instituto Brasileiro de Planejamento Tributario, BR 16 - AS269287 6075 0.3%6075.0 -- Turbonet - Internet Banda Larga Eireli, BR 17 - AS29107 6067 0.3%6067.0 -- SYNAPSE-AS, UA 18 - AS61645 6041 0.3%6041.0 -- NF Network Telecom, BR 19 - AS266464 5882 0.3%5882.0 -- W. P. E. GOMES - ME, BR 20 - AS30640 5859 0.3%5859.0 -- ETHERIC - Etheric Networks, Inc., US TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 2a01:9dc0::/3227991 1.2% AS30361 -- SWIFTWILL2 - Swiftwill, Inc., US 2 - 2001:67c:245c::/ 19773 0.8% AS49762 -- SMN-AS, FI 4 - 2a0d:2406:1c05:: 19435 0.8% AS208976 -- VNP-DIGITAL, NL 7 - 2620:0:2f0::/48 18530 0.8% AS32629 -- CITY-OF-CHARLOTTE-ASN - City of Charlotte, US 8 - 2620:144:a00::/4 16270 0.7% AS53692 -- ISN-4 - Interop Show Network, US 9 - 2a0c:9a40:8114:: 15750 0.7% AS204438 -- RUBEN-GARBADE, CH 10 - 2a06:1e86::/3215727 0.7% AS202314 -- CATGIRL-AS, GB 11 - 2a0e:fd46::/3215395 0.7% AS208624 -- BILLY-AS, GB 12 - 2a0b:b87:ffb3::/ 14012 0.6% AS208088 -- AS_HOSTDOC, GB 13 - 2a00:ad87:4600:: 13714 0.6% AS9890 -- ATOSINFOTECH-SG-AP ATOS Information Technology (Singapore) Pte Ltd, SG 14 - 2404:5780:3::/48 13013 0.6% AS9558 -- PRIMECROWN-AS-IN PrimeCrown Technologies Private Limited, IN 15 - 2a06:1e86:1010:: 10502 0.4% AS202314 -- CATGIRL-AS, GB 16 - 2a06:1e86:420::/ 10492 0.4% AS202314 -- CATGIRL-AS, GB 17 - 2804:1380:e000:: 10404 0.4% AS263536 -- Empresa de Telecomunicacoes da Alta Mogiana - AMG, BR 18 - 2a03:8160:14::/4 9435 0.4% AS33047 -- INSTART - Instart Logic, Inc, US 19 - 2804:53c4::/32 8401 0.4% AS268605 -- SRG TELECOM LTDA, BR 20 - 2001:7fb:ff02::/ 8055 0.3% AS12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination
[apops] Weekly Routing Table Report
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-st...@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith . Routing Table Report 04:00 +10GMT Sat 11 Jan, 2020 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary BGP routing table entries examined: 790303 Prefixes after maximum aggregation (per Origin AS): 301303 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 387237 Total ASes present in the Internet Routing Table: 66697 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 57317 Origin ASes announcing only one prefix: 24152 Transit ASes present in the Internet Routing Table:9380 Transit-only ASes present in the Internet Routing Table:287 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 41 Max AS path prepend of ASN ( 53176) 31 Prefixes from unregistered ASNs in the Routing Table: 1315 Number of instances of unregistered ASNs: 1315 Number of 32-bit ASNs allocated by the RIRs: 30092 Number of 32-bit ASNs visible in the Routing Table: 24770 Prefixes from 32-bit ASNs in the Routing Table: 113435 Number of bogon 32-bit ASNs visible in the Routing Table:28 Special use prefixes present in the Routing Table:1 Prefixes being announced from unallocated address space:286 Number of addresses announced to Internet: 2847780736 Equivalent to 169 /8s, 189 /16s and 175 /24s Percentage of available address space announced: 76.9 Percentage of allocated address space announced: 76.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 264109 APNIC Region Analysis Summary - Prefixes being announced by APNIC Region ASes: 210100 Total APNIC prefixes after maximum aggregation: 61199 APNIC Deaggregation factor:3.43 Prefixes being announced from the APNIC address blocks: 204045 Unique aggregates announced from the APNIC address blocks:84755 APNIC Region origin ASes present in the Internet Routing Table: 10283 APNIC Prefixes per ASN: 19.84 APNIC Region origin ASes announcing only one prefix: 2853 APNIC Region transit ASes present in the Internet Routing Table: 1539 Average APNIC Region AS path length visible:4.6 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 5331 Number of APNIC addresses announced to Internet: 767768576 Equivalent to 45 /8s, 195 /16s and 56 /24s APNIC AS Blocks4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-141625 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary Prefixes being announced by ARIN Region ASes:232149 Total ARIN prefixes after maximum aggregation: 107382 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 230024 Unique aggregates announced from the ARIN address blocks:116424 ARIN Region origin ASes present in the Internet Routing Table:18359 ARIN Prefixes per ASN:12.53 ARIN