IPv4 R&E Routing Table Report 21:10 GMT Sat 26 Aug, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 926429 Prefixes after maximum aggregation (per Origin AS): 351384 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452633 Number of IPv4 prefixes with a valid ROA: 418586 Number of IPv4 prefixes with an invalid ROA: 2271 Number of IPv4 prefixes with no ROA: 505572 Total ASes present in the Internet Routing Table: 74701 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64217 Origin ASes announcing only one prefix: 26313 Transit ASes present in the Internet Routing Table: 10484 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 57 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 102 Max AS path prepend of ASN (211389) 100 Prefixes from unregistered ASNs in the Routing Table: 1021 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 42510 Number of 32-bit ASNs visible in the Routing Table: 34979 Prefixes from 32-bit ASNs in the Routing Table: 174458 Number of bogon 32-bit ASNs visible in the Routing Table: 90 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 548 Number of addresses announced to Internet: 3055663104 Equivalent to 182 /8s, 33 /16s and 184 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308507 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244631 Total APNIC prefixes after maximum aggregation: 69821 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 238368 Unique aggregates announced from the APNIC address blocks: 98816 APNIC Region origin ASes present in the Internet Routing Table: 13561 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 4011 APNIC Region transit ASes present in the Internet Routing Table: 1816 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8908 Number of APNIC addresses announced to Internet: 772943616 Equivalent to 46 /8s, 18 /16s and 47 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-153913 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: 271682 Total ARIN prefixes after maximum aggregation: 123669 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273833 Unique aggregates announced from the ARIN address blocks: 131060 ARIN Region origin ASes present in the Internet Routing Table: 19090 ARIN Prefixes per ASN: 14.34 ARIN Region origin ASes announcing only one prefix: 6958 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1279602176 Equivalent to 76 /8s, 69 /16s and 46 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 260522 Total RIPE prefixes after maximum aggregation: 122660 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257277 Unique aggregates announced from the RIPE address blocks: 159965 RIPE Region origin ASes present in the Internet Routing Table: 28397 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12027 RIPE Region transit ASes present in the Internet Routing Table: 3895 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11298 Number of RIPE addresses announced to Internet: 716493568 Equivalent to 42 /8s, 180 /16s and 211 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 118652 Total LACNIC prefixes after maximum aggregation: 28618 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117677 Unique aggregates announced from the LACNIC address blocks: 49580 LACNIC Region origin ASes present in the Internet Routing Table: 11024 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2703 LACNIC Region transit ASes present in the Internet Routing Table: 2325 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8833 Number of LACNIC addresses announced to Internet: 178588928 Equivalent to 10 /8s, 165 /16s and 13 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 29921 Total AfriNIC prefixes after maximum aggregation: 5904 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38725 Unique aggregates announced from the AfriNIC address blocks: 12755 AfriNIC Region origin ASes present in the Internet Routing Table: 1774 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 41 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1121 Number of AfriNIC addresses announced to Internet: 107571968 Equivalent to 6 /8s, 105 /16s and 107 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9528 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5699 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3323 1835 91 VNPT-AS-VN VNPT Corp, VN 9498 3106 498 251 BBIL-AP BHARTI Airtel Ltd., IN 4538 2944 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2933 1331 21 VIETEL-AS-AP Viettel Group, VN 24560 2489 847 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8918 10966 3256 AMAZON-02, US 11492 4524 300 643 CABLEONE, US 7155 4179 288 101 VIASAT-SP-BACKBONE, US 22773 3567 3073 312 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3070 1482 2312 AKAMAI-AS, US 367 2956 3824 1387 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 7018 2504 23936 1536 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7338 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4088 3398 154 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2972 2298 919 ROSTELECOM-AS, RU 9009 2655 246 1372 M247, RO 34984 2330 362 595 TELLCOM-AS, TR 58224 1750 933 520 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1512 101 1175 ASDETUK www.heficed.com, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11680 3357 602 UNINET, MX 10620 3535 506 849 Telmex Colombia S.A., CO 13999 2451 366 644 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 3816 1289 757 188 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1117 181 436 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 21 Telefonica del Peru S.A.A., PE 26615 1034 2501 49 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1590 393 19 LINKdotNET-AS, EG 24835 1503 533 27 RAYA-AS, EG 36992 1338 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 903 520 35 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 523 54 48 WANANCHI-, KE 24757 478 73 5 EthioNet-AS, ET 37342 462 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11680 3357 602 UNINET, MX 9808 9528 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8918 10966 3256 AMAZON-02, US 12479 7338 1713 145 UNI2-AS, ES 7545 5699 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 643 CABLEONE, US 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4179 288 101 VIASAT-SP-BACKBONE, US 20940 4088 3398 154 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9528 9488 CHINAMOBILE-CN China Mobile Communications Grou 12479 7338 7193 UNI2-AS, ES 16509 8918 5662 AMAZON-02, US 7545 5699 5015 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4348 4323 FPT-AS-AP FPT Telecom Company, VN 7155 4179 4078 VIASAT-SP-BACKBONE, US 20940 4088 3934 AKAMAI-ASN1, NL 11492 4524 3881 CABLEONE, US 7713 3595 3532 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:102 /12:298 /13:579 /14:1194 /15:2098 /16:13512 /17:8252 /18:13818 /19:24987 /20:44038 /21:51246 /22:109842 /23:99130 /24:557263 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6424 7338 UNI2-AS, ES 8151 5715 11680 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3124 4179 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2612 3567 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2098 3535 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2224 2:1380 3:234 4:5 5:4542 6:138 7:6 8:1528 9:1 11:172 12:1506 13:369 14:2297 15:301 16:196 17:371 18:621 20:280 21:4 22:188 23:6383 24:2493 25:6 27:2571 29:19 31:2529 32:78 34:25 35:118 36:1984 37:4613 38:5143 39:867 40:147 41:4013 42:2090 43:2306 44:323 45:16631 46:4261 47:384 49:1792 50:1866 51:595 52:1595 54:393 55:960 56:8 57:123 58:1872 59:1160 60:995 61:2498 62:2665 63:1920 64:5577 65:2332 66:4943 67:3020 68:1339 69:4136 70:1194 71:665 72:2959 74:2616 75:1563 76:622 77:2442 78:1834 79:2988 80:2120 81:1817 82:1459 83:1279 84:1529 85:2980 86:753 87:2001 88:1175 89:3859 90:617 91:7804 92:2064 93:2607 94:3535 95:4009 96:1294 97:317 98:1079 99:734 100:91 101:1318 102:2949 103:32099 104:4588 105:553 106:881 107:2588 108:1128 109:4252 110:2107 111:3133 112:2078 113:1742 114:1681 115:2036 116:1905 117:2452 118:2699 119:1998 120:1790 121:1126 122:2582 123:2162 124:1572 125:2510 128:1475 129:924 130:1037 131:1959 132:859 133:420 134:1791 135:306 136:913 137:1125 138:2652 139:1572 140:1235 141:1300 142:1485 143:1490 144:998 145:345 146:1960 147:1611 148:2457 149:2143 150:874 151:1230 152:1862 153:584 154:4812 155:1385 156:1940 157:1323 158:1082 159:2228 160:2607 161:1593 162:3524 163:1597 164:1714 165:1848 166:973 167:1732 168:3853 169:910 170:4606 171:855 172:3679 173:2978 174:987 175:1197 176:3772 177:4512 178:3543 179:2124 180:2498 181:3439 182:3313 183:1998 184:2284 185:20529 186:4788 187:4098 188:4150 189:3754 190:9266 191:1342 192:10930 193:8953 194:7294 195:5195 196:3122 197:2429 198:6011 199:6049 200:7965 201:6033 202:10526 203:10167 204:4544 205:3653 206:4327 207:3473 208:4133 209:4932 210:4418 211:2479 212:4231 213:3600 214:1090 215:59 216:6671 217:2781 218:1296 219:468 220:2033 221:980 222:759 223:2151 End of report