IPv4 R&E Routing Table Report 21:10 GMT Mon 30 Oct, 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: 932026 Prefixes after maximum aggregation (per Origin AS): 354750 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454434 Number of IPv4 prefixes with a valid ROA: 427181 Number of IPv4 prefixes with an invalid ROA: 2308 Number of IPv4 prefixes with no ROA: 502537 Total ASes present in the Internet Routing Table: 74939 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64386 Origin ASes announcing only one prefix: 26468 Transit ASes present in the Internet Routing Table: 10553 Transit-only ASes present in the Internet Routing Table: 467 Paths with bogon ASNs present in the IPv4 Routing Table: 50 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 33 Max AS path prepend of ASN (150235) 30 Prefixes from unregistered ASNs in the Routing Table: 1058 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 42954 Number of 32-bit ASNs visible in the Routing Table: 35268 Prefixes from 32-bit ASNs in the Routing Table: 176562 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 521 Number of addresses announced to Internet: 3050133760 Equivalent to 181 /8s, 205 /16s and 89 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309723 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246396 Total APNIC prefixes after maximum aggregation: 70819 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 239753 Unique aggregates announced from the APNIC address blocks: 99194 APNIC Region origin ASes present in the Internet Routing Table: 13677 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 4105 APNIC Region transit ASes present in the Internet Routing Table: 1831 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9034 Number of APNIC addresses announced to Internet: 771792896 Equivalent to 46 /8s, 0 /16s and 160 /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: 273706 Total ARIN prefixes after maximum aggregation: 124171 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277690 Unique aggregates announced from the ARIN address blocks: 132296 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1932 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: 4826 Number of ARIN addresses announced to Internet: 1276740864 Equivalent to 76 /8s, 25 /16s and 133 /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: 262138 Total RIPE prefixes after maximum aggregation: 124425 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257052 Unique aggregates announced from the RIPE address blocks: 160569 RIPE Region origin ASes present in the Internet Routing Table: 28458 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 3919 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: 11392 Number of RIPE addresses announced to Internet: 715284736 Equivalent to 42 /8s, 162 /16s and 97 /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: 118730 Total LACNIC prefixes after maximum aggregation: 28626 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117722 Unique aggregates announced from the LACNIC address blocks: 49286 LACNIC Region origin ASes present in the Internet Routing Table: 11044 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2336 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8870 Number of LACNIC addresses announced to Internet: 178370304 Equivalent to 10 /8s, 161 /16s and 183 /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: 29998 Total AfriNIC prefixes after maximum aggregation: 5971 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39287 Unique aggregates announced from the AfriNIC address blocks: 12660 AfriNIC Region origin ASes present in the Internet Routing Table: 1804 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146 Number of AfriNIC addresses announced to Internet: 107526656 Equivalent to 6 /8s, 104 /16s and 186 /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 9482 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5716 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3602 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3310 1835 94 VNPT-AS-VN VNPT Corp, VN 9498 3229 490 239 BBIL-AP BHARTI Airtel Ltd., IN 7552 2959 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2949 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2559 851 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 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 9160 11020 3312 AMAZON-02, US 11492 4539 301 674 CABLEONE, US 7155 4173 288 100 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3527 3071 301 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3076 3852 1436 DNIC-ASBLK-00306-00371, US 16625 3053 1396 2308 AKAMAI-AS, US 396982 2707 3598 398 GOOGLE-CLOUD-PLATFORM, US 7018 2542 23613 1594 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 7408 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4058 3397 145 AKAMAI-ASN1, NL 8551 3444 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3419 297 1593 M247, RO 12389 2952 2297 916 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1663 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG 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 11918 3370 610 UNINET, MX 10620 3540 504 856 Telmex Colombia S.A., CO 13999 2425 336 634 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1109 369 22 Telefonica del Peru S.A.A., PE 11664 1059 168 431 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1523 509 26 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 837 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 530 55 51 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 480 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 11918 3370 610 UNINET, MX 9808 9482 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9160 11020 3312 AMAZON-02, US 12479 7408 1713 145 UNI2-AS, ES 7545 5716 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4539 301 674 CABLEONE, US 18403 4250 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 100 VIASAT-SP-BACKBONE, US 20940 4058 3397 145 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 9482 9442 CHINAMOBILE-CN China Mobile Communications Grou 12479 7408 7263 UNI2-AS, ES 16509 9160 5848 AMAZON-02, US 7545 5716 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4250 4225 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4073 VIASAT-SP-BACKBONE, US 20940 4058 3913 AKAMAI-ASN1, NL 11492 4539 3865 CABLEONE, US 7713 3602 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 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 /10:38 /11:100 /12:299 /13:582 /14:1193 /15:2091 /16:13470 /17:8299 /18:13800 /19:25009 /20:43923 /21:51489 /22:110198 /23:99347 /24:562157 /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 6497 7408 UNI2-AS, ES 8151 5956 11918 UNINET, MX 11492 3452 4539 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3118 4173 VIASAT-SP-BACKBONE, US 8551 2921 3444 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2581 3527 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2114 3540 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) ---------------------------------------------- 1:2214 2:1433 3:269 4:5 5:4385 6:159 7:6 8:1512 9:1 11:172 12:1505 13:363 14:2314 15:304 16:202 17:366 18:665 20:308 21:4 22:188 23:6494 24:2524 25:2 27:2603 29:19 31:2550 32:71 34:26 35:117 36:2008 37:4486 38:5374 39:866 40:149 41:3988 42:2064 43:2293 44:325 45:16739 46:4363 47:371 49:1866 50:1877 51:578 52:1587 54:393 55:960 56:5 57:129 58:1893 59:1162 60:1011 61:2550 62:2659 63:1904 64:5522 65:2236 66:5008 67:3049 68:1344 69:4129 70:1186 71:633 72:2941 74:2633 75:1564 76:640 77:2331 78:1826 79:3006 80:2101 81:1833 82:1536 83:1307 84:1620 85:3025 86:764 87:1943 88:1226 89:3954 90:625 91:7880 92:2128 93:2629 94:3582 95:4014 96:1301 97:315 98:1086 99:734 100:92 101:1386 102:2958 103:32273 104:4791 105:574 106:979 107:2794 108:1138 109:4254 110:2135 111:3126 112:2061 113:1745 114:1697 115:2039 116:1910 117:2465 118:2708 119:1972 120:1767 121:1226 122:2622 123:2197 124:1570 125:2612 128:1470 129:921 130:1050 131:1997 132:866 133:408 134:1768 135:300 136:913 137:1131 138:2705 139:1581 140:1323 141:1330 142:1545 143:1522 144:1007 145:345 146:1968 147:1624 148:2472 149:2362 150:886 151:1242 152:1844 153:602 154:5307 155:1406 156:2067 157:1374 158:1061 159:2198 160:2623 161:1594 162:3504 163:1630 164:1699 165:1864 166:1070 167:1748 168:3838 169:793 170:4645 171:930 172:3879 173:3000 174:979 175:1197 176:3619 177:4464 178:3556 179:2137 180:2576 181:3592 182:3385 183:1989 184:2269 185:20665 186:4728 187:4177 188:4056 189:3918 190:9259 191:1394 192:11004 193:8970 194:7310 195:5214 196:3109 197:2548 198:6027 199:6379 200:8004 201:6178 202:10520 203:10165 204:4553 205:3701 206:4423 207:3500 208:4124 209:4928 210:4449 211:2484 212:4252 213:3415 214:1119 215:71 216:6730 217:2764 218:1303 219:471 220:2033 221:1001 222:767 223:2146 End of report