IPv4 R&E Routing Table Report 21:10 GMT Tue 21 Nov, 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: 934067 Prefixes after maximum aggregation (per Origin AS): 355289 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454719 Number of IPv4 prefixes with a valid ROA: 430018 Number of IPv4 prefixes with an invalid ROA: 2271 Number of IPv4 prefixes with no ROA: 501778 Total ASes present in the Internet Routing Table: 75030 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64455 Origin ASes announcing only one prefix: 26466 Transit ASes present in the Internet Routing Table: 10575 Transit-only ASes present in the Internet Routing Table: 477 Paths with bogon ASNs present in the IPv4 Routing Table: 49 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 41 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1074 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 43080 Number of 32-bit ASNs visible in the Routing Table: 35389 Prefixes from 32-bit ASNs in the Routing Table: 177739 Number of bogon 32-bit ASNs visible in the Routing Table: 43 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 531 Number of addresses announced to Internet: 3049015040 Equivalent to 181 /8s, 188 /16s and 71 /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: 310117 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247221 Total APNIC prefixes after maximum aggregation: 71104 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 240458 Unique aggregates announced from the APNIC address blocks: 99324 APNIC Region origin ASes present in the Internet Routing Table: 13743 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 4120 APNIC Region transit ASes present in the Internet Routing Table: 1848 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9096 Number of APNIC addresses announced to Internet: 771433216 Equivalent to 45 /8s, 251 /16s and 35 /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: 273410 Total ARIN prefixes after maximum aggregation: 123997 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278043 Unique aggregates announced from the ARIN address blocks: 132167 ARIN Region origin ASes present in the Internet Routing Table: 19061 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1935 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: 4822 Number of ARIN addresses announced to Internet: 1276210176 Equivalent to 76 /8s, 17 /16s and 108 /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: 262596 Total RIPE prefixes after maximum aggregation: 124650 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257120 Unique aggregates announced from the RIPE address blocks: 160578 RIPE Region origin ASes present in the Internet Routing Table: 28477 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: 3902 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11434 Number of RIPE addresses announced to Internet: 714992384 Equivalent to 42 /8s, 157 /16s and 235 /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: 119588 Total LACNIC prefixes after maximum aggregation: 28775 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118403 Unique aggregates announced from the LACNIC address blocks: 49379 LACNIC Region origin ASes present in the Internet Routing Table: 11047 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2350 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 41 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8885 Number of LACNIC addresses announced to Internet: 178425088 Equivalent to 10 /8s, 162 /16s and 141 /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: 30178 Total AfriNIC prefixes after maximum aggregation: 6036 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39511 Unique aggregates announced from the AfriNIC address blocks: 12832 AfriNIC Region origin ASes present in the Internet Routing Table: 1811 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 634 AfriNIC Region transit ASes present in the Internet Routing Table: 347 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: 1152 Number of AfriNIC addresses announced to Internet: 107524096 Equivalent to 6 /8s, 104 /16s and 176 /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 9730 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5687 788 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4345 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3597 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3265 494 246 BBIL-AP BHARTI Airtel Ltd., IN 45899 3251 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 2986 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2937 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2592 852 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2282 11269 603 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 9331 11142 3278 AMAZON-02, US 11492 4557 302 676 CABLEONE, US 7155 4175 288 98 VIASAT-SP-BACKBONE, US 6327 3553 1320 67 SHAW, CA 22773 3515 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3129 1392 2302 AKAMAI-AS, US 367 3023 3869 1413 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2523 23619 1587 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 7456 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4026 3397 144 AKAMAI-ASN1, NL 8551 3433 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3422 297 1594 M247, RO 12389 2957 2297 918 ROSTELECOM-AS, RU 34984 2322 361 589 TELLCOM-AS, TR 58224 1623 902 593 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1527 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 12061 3376 603 UNINET, MX 10620 3527 499 871 Telmex Colombia S.A., CO 13999 2443 334 655 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad 28573 1332 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 778 190 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 11664 1072 172 446 Techtel LMDS Comunicaciones Interactiva 26615 1040 2502 52 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 1548 545 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 492 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 12061 3376 603 UNINET, MX 9808 9730 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9331 11142 3278 AMAZON-02, US 12479 7456 1713 145 UNI2-AS, ES 7545 5687 788 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4557 302 676 CABLEONE, US 18403 4345 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 98 VIASAT-SP-BACKBONE, US 20940 4026 3397 144 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 9730 9689 CHINAMOBILE-CN China Mobile Communications Grou 12479 7456 7311 UNI2-AS, ES 16509 9331 6053 AMAZON-02, US 7545 5687 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4345 4320 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4077 VIASAT-SP-BACKBONE, US 20940 4026 3882 AKAMAI-ASN1, NL 11492 4557 3881 CABLEONE, US 7713 3597 3527 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 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 23.166.56.0/24 Origin: 53684 CWAS02, US 23.166.56.0/24 Transit: 3356 LEVEL3, 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 /10:38 /11:99 /12:298 /13:582 /14:1193 /15:2091 /16:13458 /17:8266 /18:13800 /19:25017 /20:43926 /21:51508 /22:110509 /23:99619 /24:563632 /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 6547 7456 UNI2-AS, ES 8151 6081 12061 UNINET, MX 11492 3470 4557 CABLEONE, US 6327 3363 3553 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3122 4175 VIASAT-SP-BACKBONE, US 8551 2910 3433 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2568 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3527 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) ---------------------------------------------- 1:2231 2:1424 3:276 4:5 5:4386 6:162 7:6 8:1518 9:1 11:172 12:1493 13:375 14:2318 15:304 16:206 17:363 18:677 20:319 21:4 22:188 23:6517 24:2566 25:2 27:2602 29:19 31:2570 32:55 34:32 35:118 36:2020 37:4459 38:5653 39:878 40:150 41:3971 42:2079 43:2314 44:328 45:16743 46:4367 47:373 49:1849 50:1884 51:573 52:1591 54:393 55:873 56:5 57:129 58:1903 59:1161 60:1005 61:2576 62:2718 63:1901 64:5507 65:2239 66:5028 67:3064 68:1351 69:4127 70:1190 71:614 72:2926 74:2631 75:1563 76:628 77:2341 78:1828 79:3018 80:2110 81:1848 82:1529 83:1313 84:1616 85:3009 86:781 87:1954 88:1234 89:3955 90:627 91:7883 92:2140 93:2646 94:3572 95:4015 96:1298 97:316 98:1085 99:737 100:97 101:1421 102:2971 103:32566 104:4790 105:591 106:977 107:2784 108:1135 109:4209 110:2133 111:3121 112:2072 113:1681 114:1713 115:2047 116:1918 117:2493 118:2745 119:1965 120:1782 121:1240 122:2622 123:2210 124:1572 125:2654 128:1500 129:913 130:1056 131:1989 132:871 133:407 134:1705 135:298 136:925 137:1187 138:2708 139:1570 140:1330 141:1324 142:1535 143:1514 144:1005 145:342 146:1982 147:1635 148:2470 149:2294 150:1020 151:1256 152:1840 153:591 154:5350 155:1377 156:2129 157:1370 158:1056 159:2208 160:2608 161:1602 162:3566 163:1634 164:1661 165:1872 166:1075 167:1759 168:3832 169:791 170:4662 171:946 172:3770 173:2996 174:955 175:1204 176:3628 177:4535 178:3548 179:2162 180:2324 181:3596 182:3382 183:2013 184:2271 185:20559 186:4775 187:4249 188:4055 189:3953 190:9310 191:1493 192:11021 193:8976 194:7303 195:5199 196:3142 197:2481 198:6025 199:6515 200:8094 201:6230 202:10539 203:10193 204:4569 205:3709 206:4420 207:3500 208:4111 209:4924 210:4474 211:2493 212:4249 213:3413 214:1118 215:71 216:6718 217:2772 218:1323 219:474 220:2027 221:1006 222:781 223:2182 End of report