IPv4 R&E Routing Table Report 21:10 GMT Sat 17 Feb, 2024 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: 937285 Prefixes after maximum aggregation (per Origin AS): 357168 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456862 Number of IPv4 prefixes with a valid ROA: 447438 Number of IPv4 prefixes with an invalid ROA: 1816 Number of IPv4 prefixes with no ROA: 488031 Total ASes present in the Internet Routing Table: 75366 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64698 Origin ASes announcing only one prefix: 26570 Transit ASes present in the Internet Routing Table: 10668 Transit-only ASes present in the Internet Routing Table: 497 Paths with bogon ASNs present in the IPv4 Routing Table: 55 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 36 Max AS path prepend of ASN ( 59588) 31 Prefixes from unregistered ASNs in the Routing Table: 1097 Number of instances of unregistered ASNs: 1108 Number of 32-bit ASNs allocated by the RIRs: 43665 Number of 32-bit ASNs visible in the Routing Table: 35862 Prefixes from 32-bit ASNs in the Routing Table: 181189 Number of bogon 32-bit ASNs visible in the Routing Table: 54 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3041630464 Equivalent to 181 /8s, 75 /16s and 153 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 310286 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247422 Total APNIC prefixes after maximum aggregation: 72212 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 240233 Unique aggregates announced from the APNIC address blocks: 99975 APNIC Region origin ASes present in the Internet Routing Table: 13937 APNIC Prefixes per ASN: 17.24 APNIC Region origin ASes announcing only one prefix: 4211 APNIC Region transit ASes present in the Internet Routing Table: 1877 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9341 Number of APNIC addresses announced to Internet: 774035200 Equivalent to 46 /8s, 34 /16s and 215 /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: 274796 Total ARIN prefixes after maximum aggregation: 123606 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 279615 Unique aggregates announced from the ARIN address blocks: 132081 ARIN Region origin ASes present in the Internet Routing Table: 19090 ARIN Prefixes per ASN: 14.65 ARIN Region origin ASes announcing only one prefix: 6958 ARIN Region transit ASes present in the Internet Routing Table: 1959 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4844 Number of ARIN addresses announced to Internet: 1269574912 Equivalent to 75 /8s, 172 /16s and 45 /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: 262626 Total RIPE prefixes after maximum aggregation: 125664 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257368 Unique aggregates announced from the RIPE address blocks: 161627 RIPE Region origin ASes present in the Internet Routing Table: 28550 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12098 RIPE Region transit ASes present in the Internet Routing Table: 3930 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11593 Number of RIPE addresses announced to Internet: 713536768 Equivalent to 42 /8s, 135 /16s and 181 /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: 120803 Total LACNIC prefixes after maximum aggregation: 28876 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119369 Unique aggregates announced from the LACNIC address blocks: 49553 LACNIC Region origin ASes present in the Internet Routing Table: 11060 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2386 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8912 Number of LACNIC addresses announced to Internet: 177952512 Equivalent to 10 /8s, 155 /16s and 87 /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: 30541 Total AfriNIC prefixes after maximum aggregation: 6078 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40186 Unique aggregates announced from the AfriNIC address blocks: 13197 AfriNIC Region origin ASes present in the Internet Routing Table: 1823 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1172 Number of AfriNIC addresses announced to Internet: 106230528 Equivalent to 6 /8s, 84 /16s and 243 /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 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5673 783 680 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4603 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3500 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3268 1867 93 VNPT-AS-VN VNPT Corp, VN 24560 2711 861 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2176 433 190 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9595 11223 3382 AMAZON-02, US 11492 4581 304 652 CABLEONE, US 7155 4179 288 96 VIASAT-SP-BACKBONE, US 22773 3629 3078 299 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3594 1320 74 SHAW, CA 16625 3193 1390 2279 AKAMAI-AS, US 749 3184 54927 2435 DNIC-AS-00749, US 174 3101 6637 666 COGENT-174, US 367 2899 3692 1405 DNIC-ASBLK-00306-00371, US 396982 2755 3639 396 GOOGLE-CLOUD-PLATFORM, 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 7608 1714 147 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3870 3396 127 AKAMAI-ASN1, NL 9009 3278 284 1589 M247, RO 12389 2977 2302 905 ROSTELECOM-AS, RU 8551 2649 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 44477 1483 97 710 STARK-INDUSTRIES, GB 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 12449 3389 604 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2512 341 649 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1209 340 498 Axtel, S.A.B. de C.V., MX 11664 1138 179 425 Techtel LMDS Comunicaciones Interactiva 6147 1086 369 22 Telefonica del Peru S.A.A., PE 22884 1074 116 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1547 545 28 RAYA-AS, EG 24863 1523 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1135 73 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 538 82 3 KENET-AS, KE 15399 521 55 51 WANANCHI-, KE 37342 486 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 12449 3389 604 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9595 11223 3382 AMAZON-02, US 12479 7608 1714 147 UNI2-AS, ES 7545 5673 783 680 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4603 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4581 304 652 CABLEONE, US 7155 4179 288 96 VIASAT-SP-BACKBONE, US 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9815 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7608 7461 UNI2-AS, ES 16509 9595 6213 AMAZON-02, US 7545 5673 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4603 4578 FPT-AS-AP FPT Telecom Company, VN 7155 4179 4083 VIASAT-SP-BACKBONE, US 11492 4581 3929 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3870 3743 AKAMAI-ASN1, NL 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 198821333 UNALLOCATED 5.8.179.0/24 198821 ALKOR-AS, RU 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 57974 AS-PDCS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 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 /10:36 /11:98 /12:300 /13:576 /14:1190 /15:2088 /16:13388 /17:8174 /18:13632 /19:24717 /20:43392 /21:51514 /22:110233 /23:99284 /24:568632 /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 6724 7608 UNI2-AS, ES 8151 6414 12449 UNINET, MX 11492 3495 4581 CABLEONE, US 6327 3393 3594 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3123 4179 VIASAT-SP-BACKBONE, US 22773 2664 3629 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2144 2487 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 Telmex Colombia S.A., CO 8551 2125 2649 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2283 2:1463 3:298 4:6 5:4480 6:164 7:6 8:1496 9:2 11:172 12:1463 13:386 14:2343 15:311 16:204 17:363 18:730 20:356 21:4 22:188 23:6593 24:2702 25:2 27:2635 29:19 31:2551 32:45 34:38 35:124 36:2165 37:4490 38:6891 39:900 40:140 41:4044 42:2203 43:2304 44:331 45:16853 46:4359 47:286 49:1906 50:1898 51:570 52:1585 54:336 55:879 56:5 57:149 58:2011 59:1149 60:1018 61:2589 62:2681 63:1921 64:5521 65:2209 66:4933 67:3055 68:1334 69:4096 70:1200 71:587 72:2917 74:2647 75:1554 76:634 77:2391 78:1844 79:2467 80:2132 81:1892 82:1528 83:1254 84:1641 85:3095 86:778 87:1981 88:1224 89:3979 90:676 91:7922 92:2184 93:2630 94:3651 95:4082 96:1285 97:313 98:1033 99:744 100:91 101:1155 102:3110 103:32491 104:4765 105:597 106:919 107:2763 108:1131 109:4026 110:2142 111:3157 112:2060 113:1733 114:1746 115:2024 116:1954 117:2640 118:2748 119:1935 120:1780 121:1262 122:2632 123:2221 124:1546 125:2836 126:28 128:1467 129:926 130:1095 131:1835 132:823 133:412 134:1701 135:311 136:921 137:1175 138:2792 139:1543 140:1353 141:1348 142:1561 143:1488 144:1012 145:345 146:2009 147:1700 148:2509 149:2490 150:1031 151:1326 152:1979 153:594 154:5695 155:1372 156:2096 157:1536 158:1095 159:2212 160:2598 161:1632 162:3620 163:1709 164:1599 165:2125 166:1062 167:1705 168:3825 169:797 170:4696 171:997 172:3833 173:3017 174:897 175:1227 176:3650 177:4536 178:3556 179:2261 180:2378 181:3687 182:3422 183:1983 184:2267 185:20644 186:4836 187:4412 188:4007 189:4081 190:9309 191:1417 192:11001 193:9009 194:7393 195:5251 196:3155 197:2653 198:6009 199:7158 200:8073 201:6316 202:10289 203:10284 204:4552 205:3728 206:4466 207:3517 208:4139 209:4991 210:4467 211:2508 212:4295 213:3413 214:1118 215:44 216:6803 217:2772 218:1316 219:423 220:2051 221:1020 222:693 223:2193 End of report