IPv4 R&E Routing Table Report 21:10 GMT Thu 09 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: 933379 Prefixes after maximum aggregation (per Origin AS): 355179 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454557 Number of IPv4 prefixes with a valid ROA: 428475 Number of IPv4 prefixes with an invalid ROA: 2437 Number of IPv4 prefixes with no ROA: 502467 Total ASes present in the Internet Routing Table: 74981 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64440 Origin ASes announcing only one prefix: 26423 Transit ASes present in the Internet Routing Table: 10541 Transit-only ASes present in the Internet Routing Table: 480 Paths with bogon ASNs present in the IPv4 Routing Table: 46 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 102 Max AS path prepend of ASN (395585) 100 Prefixes from unregistered ASNs in the Routing Table: 1099 Number of instances of unregistered ASNs: 1105 Number of 32-bit ASNs allocated by the RIRs: 43026 Number of 32-bit ASNs visible in the Routing Table: 35336 Prefixes from 32-bit ASNs in the Routing Table: 177268 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3050217472 Equivalent to 181 /8s, 206 /16s and 160 /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: 310208 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246760 Total APNIC prefixes after maximum aggregation: 70920 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 239934 Unique aggregates announced from the APNIC address blocks: 99026 APNIC Region origin ASes present in the Internet Routing Table: 13694 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 4100 APNIC Region transit ASes present in the Internet Routing Table: 1831 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: 9056 Number of APNIC addresses announced to Internet: 771822592 Equivalent to 46 /8s, 1 /16s and 20 /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: 273505 Total ARIN prefixes after maximum aggregation: 124278 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277933 Unique aggregates announced from the ARIN address blocks: 132269 ARIN Region origin ASes present in the Internet Routing Table: 19056 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6941 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 102 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4821 Number of ARIN addresses announced to Internet: 1276646144 Equivalent to 76 /8s, 24 /16s and 19 /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: 262378 Total RIPE prefixes after maximum aggregation: 124519 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257137 Unique aggregates announced from the RIPE address blocks: 160603 RIPE Region origin ASes present in the Internet Routing Table: 28478 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12090 RIPE Region transit ASes present in the Internet Routing Table: 3903 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: 11431 Number of RIPE addresses announced to Internet: 715365632 Equivalent to 42 /8s, 163 /16s and 157 /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: 119471 Total LACNIC prefixes after maximum aggregation: 28699 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118344 Unique aggregates announced from the LACNIC address blocks: 49401 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2345 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: 8881 Number of LACNIC addresses announced to Internet: 178409472 Equivalent to 10 /8s, 162 /16s and 80 /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: 30166 Total AfriNIC prefixes after maximum aggregation: 6008 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39517 Unique aggregates announced from the AfriNIC address blocks: 12830 AfriNIC Region origin ASes present in the Internet Routing Table: 1804 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147 Number of AfriNIC addresses announced to Internet: 107546368 Equivalent to 6 /8s, 105 /16s and 7 /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 9710 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5714 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3578 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3249 491 240 BBIL-AP BHARTI Airtel Ltd., IN 45899 3246 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 2976 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2938 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2580 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11268 602 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 9205 11059 3366 AMAZON-02, US 11492 4550 302 673 CABLEONE, US 7155 4174 288 100 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3514 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 16625 3112 1385 2298 AKAMAI-AS, US 367 3042 3873 1440 DNIC-ASBLK-00306-00371, US 396982 2718 3626 392 GOOGLE-CLOUD-PLATFORM, US 7018 2525 23615 1602 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 7431 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4011 3397 140 AKAMAI-ASN1, NL 8551 3442 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3418 296 1590 M247, RO 12389 2957 2297 916 ROSTELECOM-AS, RU 34984 2323 361 591 TELLCOM-AS, TR 58224 1661 913 572 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1518 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 11994 3371 600 UNINET, MX 10620 3541 504 860 Telmex Colombia S.A., CO 13999 2443 333 634 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1105 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 1611 393 19 LINKdotNET-AS, EG 24835 1549 549 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 481 32 1 MOVITEL, MZ 24757 479 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 11994 3371 600 UNINET, MX 9808 9710 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9205 11059 3366 AMAZON-02, US 12479 7431 1713 145 UNI2-AS, ES 7545 5714 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4550 302 673 CABLEONE, US 18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4174 288 100 VIASAT-SP-BACKBONE, US 20940 4011 3397 140 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 9710 9670 CHINAMOBILE-CN China Mobile Communications Grou 12479 7431 7286 UNI2-AS, ES 16509 9205 5839 AMAZON-02, US 7545 5714 5023 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4264 4239 FPT-AS-AP FPT Telecom Company, VN 7155 4174 4074 VIASAT-SP-BACKBONE, US 11492 4550 3877 CABLEONE, US 20940 4011 3871 AKAMAI-ASN1, NL 7713 3578 3508 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 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 /15:2090 /16:13473 /17:8303 /18:13792 /19:25024 /20:43924 /21:51522 /22:110387 /23:99600 /24:563021 /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 6521 7431 UNI2-AS, ES 8151 6018 11994 UNINET, MX 11492 3463 4550 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3119 4174 VIASAT-SP-BACKBONE, US 8551 2919 3442 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2568 3514 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2115 3541 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) ---------------------------------------------- 1:2216 2:1434 3:273 4:5 5:4369 6:161 7:6 8:1515 9:1 11:172 12:1495 13:355 14:2313 15:304 16:203 17:367 18:670 20:318 21:4 22:188 23:6519 24:2556 25:2 27:2599 29:19 31:2557 32:58 34:29 35:117 36:2017 37:4472 38:5560 39:866 40:149 41:3982 42:2080 43:2293 44:325 45:16826 46:4380 47:370 49:1864 50:1886 51:576 52:1582 54:393 55:886 56:5 57:129 58:1891 59:1159 60:1012 61:2567 62:2688 63:1898 64:5515 65:2219 66:5022 67:3061 68:1349 69:4125 70:1178 71:614 72:2924 74:2635 75:1563 76:639 77:2337 78:1829 79:3009 80:2114 81:1844 82:1536 83:1305 84:1615 85:2987 86:775 87:1945 88:1229 89:3947 90:627 91:7887 92:2130 93:2634 94:3593 95:4022 96:1301 97:315 98:1087 99:737 100:92 101:1391 102:2974 103:32361 104:4830 105:573 106:979 107:2791 108:1140 109:4224 110:2136 111:3144 112:2072 113:1673 114:1702 115:2045 116:1914 117:2502 118:2717 119:1956 120:1781 121:1230 122:2626 123:2204 124:1571 125:2629 128:1486 129:919 130:1059 131:1990 132:867 133:408 134:1700 135:300 136:910 137:1132 138:2738 139:1569 140:1331 141:1323 142:1553 143:1518 144:1006 145:341 146:1973 147:1629 148:2471 149:2341 150:883 151:1248 152:1843 153:600 154:5330 155:1392 156:2123 157:1371 158:1049 159:2202 160:2613 161:1600 162:3532 163:1622 164:1667 165:1871 166:1076 167:1752 168:3840 169:794 170:4659 171:937 172:3877 173:2992 174:980 175:1201 176:3623 177:4595 178:3544 179:2209 180:2325 181:3587 182:3374 183:2006 184:2269 185:20647 186:4740 187:4211 188:4052 189:3982 190:9280 191:1461 192:11006 193:8978 194:7304 195:5207 196:3135 197:2498 198:6018 199:6445 200:8045 201:6218 202:10526 203:10170 204:4558 205:3700 206:4408 207:3522 208:4128 209:4934 210:4459 211:2482 212:4263 213:3422 214:1127 215:71 216:6720 217:2775 218:1319 219:470 220:2034 221:1009 222:775 223:2185 End of report