IPv4 R&E Routing Table Report 21:10 GMT Sun 14 May, 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: 920996 Prefixes after maximum aggregation (per Origin AS): 348987 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448872 Number of IPv4 prefixes with a valid ROA: 398890 Number of IPv4 prefixes with an invalid ROA: 2642 Number of IPv4 prefixes with no ROA: 519462 Total ASes present in the Internet Routing Table: 74426 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 63960 Origin ASes announcing only one prefix: 26222 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 64 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1124 Number of instances of unregistered ASNs: 1182 Number of 32-bit ASNs allocated by the RIRs: 41869 Number of 32-bit ASNs visible in the Routing Table: 34580 Prefixes from 32-bit ASNs in the Routing Table: 171421 Number of bogon 32-bit ASNs visible in the Routing Table: 155 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 623 Number of addresses announced to Internet: 3057012736 Equivalent to 182 /8s, 54 /16s and 80 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 307446 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242942 Total APNIC prefixes after maximum aggregation: 68831 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237151 Unique aggregates announced from the APNIC address blocks: 97995 APNIC Region origin ASes present in the Internet Routing Table: 13416 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3948 APNIC Region transit ASes present in the Internet Routing Table: 1795 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8733 Number of APNIC addresses announced to Internet: 773202176 Equivalent to 46 /8s, 22 /16s and 33 /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, 131072-151865 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: 269733 Total ARIN prefixes after maximum aggregation: 122629 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272243 Unique aggregates announced from the ARIN address blocks: 130152 ARIN Region origin ASes present in the Internet Routing Table: 19102 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1927 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4793 Number of ARIN addresses announced to Internet: 1280771584 Equivalent to 76 /8s, 87 /16s and 6 /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: 259905 Total RIPE prefixes after maximum aggregation: 122443 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256030 Unique aggregates announced from the RIPE address blocks: 158542 RIPE Region origin ASes present in the Internet Routing Table: 28334 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 3910 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11181 Number of RIPE addresses announced to Internet: 718208512 Equivalent to 42 /8s, 206 /16s and 254 /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 196608-213403 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: 118164 Total LACNIC prefixes after maximum aggregation: 28448 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117457 Unique aggregates announced from the LACNIC address blocks: 49356 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2634 LACNIC Region transit ASes present in the Internet Routing Table: 2293 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8785 Number of LACNIC addresses announced to Internet: 176730624 Equivalent to 10 /8s, 136 /16s and 178 /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: 29128 Total AfriNIC prefixes after maximum aggregation: 5826 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 37491 Unique aggregates announced from the AfriNIC address blocks: 12308 AfriNIC Region origin ASes present in the Internet Routing Table: 1739 AfriNIC Prefixes per ASN: 21.56 AfriNIC Region origin ASes announcing only one prefix: 607 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1088 Number of AfriNIC addresses announced to Internet: 107688960 Equivalent to 6 /8s, 107 /16s and 52 /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 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5720 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4042 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3574 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 18403 3280 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3228 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2958 491 239 BBIL-AP BHARTI Airtel Ltd., IN 4538 2734 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2394 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 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 8271 10776 2950 AMAZON-02, US 11492 4470 296 724 CABLEONE, US 7155 4011 281 51 VIASAT-SP-BACKBONE, US 22773 3588 3073 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3104 1569 2352 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2641 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2497 360 466 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2494 24147 1568 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 7298 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4090 3399 166 AKAMAI-ASN1, NL 8551 3883 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2924 2292 910 ROSTELECOM-AS, RU 9009 2727 253 1405 M247, RO 34984 2274 359 608 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1850 949 534 TCI, IR 13188 1607 100 18 TRIOLAN, UA 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 11268 3327 604 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2350 361 620 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 445 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 1604 393 19 LINKdotNET-AS, EG 24835 1499 533 30 RAYA-AS, EG 36992 1339 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 517 54 47 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 466 73 5 EthioNet-AS, ET 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 11268 3327 604 Uninet S.A. de C.V., MX 9808 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8271 10776 2950 AMAZON-02, US 12479 7298 1707 141 UNI2-AS, ES 7545 5720 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4470 296 724 CABLEONE, US 20940 4090 3399 166 AKAMAI-ASN1, NL 45899 4042 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 4011 281 51 VIASAT-SP-BACKBONE, US 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 9483 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7157 UNI2-AS, ES 16509 8271 5321 AMAZON-02, US 7545 5720 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4042 4001 VNPT-AS-VN VNPT Corp, VN 7155 4011 3960 VIASAT-SP-BACKBONE, US 20940 4090 3924 AKAMAI-ASN1, NL 8551 3883 3846 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4470 3746 CABLEONE, US 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 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 /11:104 /12:301 /13:579 /14:1196 /15:2085 /16:13468 /17:8191 /18:14249 /19:25042 /20:43717 /21:51200 /22:109485 /23:98164 /24:553145 /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 6362 7298 UNI2-AS, ES 8151 5236 11268 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3401 4470 CABLEONE, US 8551 3355 3883 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3069 4011 VIASAT-SP-BACKBONE, US 22773 2652 3588 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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) ---------------------------------------------- 1:2006 2:1308 3:174 4:5 5:4545 6:128 7:6 8:1519 9:1 11:172 12:1537 13:379 14:2322 15:300 16:189 17:372 18:421 20:258 21:4 22:188 23:6236 24:2592 25:6 27:2535 29:19 31:2491 32:76 34:12 35:108 36:1955 37:4700 38:4570 39:842 40:151 41:3903 42:1634 43:2350 44:309 45:16557 46:4300 47:362 49:1733 50:1842 51:569 52:1599 54:394 55:774 56:8 57:118 58:1848 59:1149 60:990 61:2486 62:2645 63:1917 64:5698 65:2318 66:5037 67:3030 68:1347 69:4101 70:1251 71:678 72:2989 74:2615 75:1554 76:612 77:2445 78:1817 79:3172 80:2125 81:1780 82:1499 83:1285 84:1525 85:2981 86:768 87:2026 88:1161 89:3686 90:616 91:7750 92:2066 93:2620 94:3624 95:4034 96:1311 97:337 98:1151 99:744 100:74 101:1073 102:2703 103:31443 104:4662 105:487 106:866 107:2522 108:1044 109:4421 110:2104 111:3107 112:2032 113:1664 114:1643 115:2037 116:1887 117:2543 118:2489 119:2016 120:1797 121:1095 122:2607 123:2169 124:1559 125:2494 128:1418 129:1087 130:1026 131:1987 132:852 133:422 134:1927 135:304 136:877 137:1096 138:2571 139:1565 140:1247 141:1462 142:1444 143:1511 144:1167 145:346 146:1960 147:1585 148:2374 149:2233 150:884 151:1159 152:1823 153:565 154:4442 155:1449 156:1786 157:1308 158:1072 159:2303 160:2527 161:1538 162:3516 163:1571 164:1619 165:1753 166:1057 167:1725 168:3863 169:936 170:4576 171:857 172:3559 173:2910 174:1074 175:1187 176:3705 177:4589 178:3602 179:2164 180:2616 181:3483 182:3349 183:2047 184:2344 185:20243 186:4749 187:3984 188:4101 189:3577 190:9170 191:1444 192:10931 193:8894 194:7316 195:5162 196:3097 197:2359 198:5973 199:6109 200:8042 201:5909 202:10615 203:10342 204:4575 205:3688 206:4308 207:3453 208:4097 209:4871 210:4369 211:2449 212:4169 213:3623 214:1093 215:59 216:6653 217:2697 218:1316 219:471 220:2002 221:978 222:784 223:2149 End of report