IPv4 R&E Routing Table Report 21:10 GMT Fri 03 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: 932502 Prefixes after maximum aggregation (per Origin AS): 354978 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454321 Number of IPv4 prefixes with a valid ROA: 427706 Number of IPv4 prefixes with an invalid ROA: 2344 Number of IPv4 prefixes with no ROA: 502452 Total ASes present in the Internet Routing Table: 74932 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64386 Origin ASes announcing only one prefix: 26453 Transit ASes present in the Internet Routing Table: 10546 Transit-only ASes present in the Internet Routing Table: 472 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: 37 Max AS path prepend of ASN (203459) 31 Prefixes from unregistered ASNs in the Routing Table: 1061 Number of instances of unregistered ASNs: 1063 Number of 32-bit ASNs allocated by the RIRs: 43000 Number of 32-bit ASNs visible in the Routing Table: 35268 Prefixes from 32-bit ASNs in the Routing Table: 176850 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: 518 Number of addresses announced to Internet: 3049805312 Equivalent to 181 /8s, 200 /16s and 86 /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: 310156 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246272 Total APNIC prefixes after maximum aggregation: 70842 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 239514 Unique aggregates announced from the APNIC address blocks: 98893 APNIC Region origin ASes present in the Internet Routing Table: 13680 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 4096 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: 9040 Number of APNIC addresses announced to Internet: 771815168 Equivalent to 46 /8s, 0 /16s and 247 /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: 273578 Total ARIN prefixes after maximum aggregation: 124273 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277789 Unique aggregates announced from the ARIN address blocks: 132316 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 1276641536 Equivalent to 76 /8s, 24 /16s and 1 /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: 262254 Total RIPE prefixes after maximum aggregation: 124493 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257157 Unique aggregates announced from the RIPE address blocks: 160681 RIPE Region origin ASes present in the Internet Routing Table: 28467 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: 3910 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11409 Number of RIPE addresses announced to Internet: 715076608 Equivalent to 42 /8s, 159 /16s and 52 /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: 119240 Total LACNIC prefixes after maximum aggregation: 28638 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118140 Unique aggregates announced from the LACNIC address blocks: 49285 LACNIC Region origin ASes present in the Internet Routing Table: 11020 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2675 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: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8851 Number of LACNIC addresses announced to Internet: 178353152 Equivalent to 10 /8s, 161 /16s and 116 /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: 30097 Total AfriNIC prefixes after maximum aggregation: 5995 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39383 Unique aggregates announced from the AfriNIC address blocks: 12718 AfriNIC Region origin ASes present in the Internet Routing Table: 1804 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 629 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: 107495424 Equivalent to 6 /8s, 104 /16s and 64 /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 9546 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5712 785 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3602 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3311 1867 92 VNPT-AS-VN VNPT Corp, VN 9498 3246 491 240 BBIL-AP BHARTI Airtel Ltd., IN 7552 2960 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2938 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2572 851 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 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 9146 11016 3331 AMAZON-02, US 11492 4541 301 673 CABLEONE, US 7155 4174 288 100 VIASAT-SP-BACKBONE, US 6327 3546 1320 67 SHAW, CA 22773 3519 3071 298 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 367 3067 3869 1442 DNIC-ASBLK-00306-00371, US 16625 3047 1387 2304 AKAMAI-AS, US 396982 2709 3598 400 GOOGLE-CLOUD-PLATFORM, US 7018 2512 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 7405 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4028 3397 141 AKAMAI-ASN1, NL 8551 3444 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3417 296 1592 M247, RO 12389 2954 2297 917 ROSTELECOM-AS, RU 34984 2324 361 592 TELLCOM-AS, TR 58224 1664 913 569 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1497 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 11935 3370 609 UNINET, MX 10620 3544 504 860 Telmex Colombia S.A., CO 13999 2423 331 635 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 1295 777 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1248 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 1605 393 19 LINKdotNET-AS, EG 24835 1522 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 937 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 503 53 40 WANANCHI-, KE 37342 494 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 11935 3370 609 UNINET, MX 9808 9546 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9146 11016 3331 AMAZON-02, US 12479 7405 1713 145 UNI2-AS, ES 7545 5712 785 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4541 301 673 CABLEONE, US 18403 4247 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4174 288 100 VIASAT-SP-BACKBONE, US 20940 4028 3397 141 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 9546 9506 CHINAMOBILE-CN China Mobile Communications Grou 12479 7405 7260 UNI2-AS, ES 16509 9146 5815 AMAZON-02, US 7545 5712 5020 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4247 4222 FPT-AS-AP FPT Telecom Company, VN 7155 4174 4074 VIASAT-SP-BACKBONE, US 20940 4028 3887 AKAMAI-ASN1, NL 11492 4541 3868 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 23.164.232.0/24 Origin: 53763 LAKESIDE, US 23.164.232.0/24 Transit: 20473 AS-CHOOPA, 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 /11:100 /12:299 /13:582 /14:1193 /15:2089 /16:13464 /17:8304 /18:13788 /19:24995 /20:43931 /21:51502 /22:110264 /23:99415 /24:562507 /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 6495 7405 UNI2-AS, ES 8151 5970 11935 UNINET, MX 11492 3454 4541 CABLEONE, US 6327 3356 3546 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3119 4174 VIASAT-SP-BACKBONE, US 8551 2921 3444 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2573 3519 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2148 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3544 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 2:1434 3:271 4:5 5:4391 6:161 7:6 8:1517 9:1 11:172 12:1497 13:353 14:2313 15:304 16:202 17:368 18:666 20:316 21:4 22:188 23:6507 24:2549 25:2 27:2606 29:19 31:2555 32:68 34:28 35:118 36:2016 37:4488 38:5499 39:865 40:149 41:3978 42:2068 43:2291 44:325 45:16751 46:4379 47:372 49:1860 50:1877 51:577 52:1588 54:391 55:885 56:5 57:129 58:1894 59:1160 60:1011 61:2568 62:2667 63:1903 64:5527 65:2232 66:5021 67:3055 68:1342 69:4136 70:1185 71:633 72:2944 74:2636 75:1565 76:640 77:2333 78:1825 79:3004 80:2101 81:1861 82:1535 83:1304 84:1615 85:3015 86:771 87:1940 88:1228 89:3957 90:624 91:7864 92:2126 93:2634 94:3576 95:4018 96:1302 97:315 98:1086 99:735 100:92 101:1382 102:2963 103:32248 104:4791 105:574 106:979 107:2796 108:1138 109:4262 110:2136 111:3131 112:2062 113:1734 114:1697 115:2045 116:1911 117:2487 118:2708 119:1957 120:1763 121:1228 122:2625 123:2199 124:1570 125:2625 128:1481 129:917 130:1054 131:1990 132:862 133:408 134:1691 135:300 136:912 137:1133 138:2716 139:1573 140:1328 141:1329 142:1550 143:1539 144:1005 145:344 146:1965 147:1630 148:2470 149:2369 150:883 151:1243 152:1840 153:600 154:5307 155:1396 156:2102 157:1370 158:1060 159:2197 160:2615 161:1594 162:3517 163:1615 164:1687 165:1862 166:1072 167:1756 168:3854 169:788 170:4659 171:932 172:3872 173:2998 174:978 175:1197 176:3617 177:4489 178:3559 179:2187 180:2344 181:3578 182:3363 183:1991 184:2270 185:20674 186:4749 187:4236 188:4054 189:3951 190:9326 191:1450 192:10995 193:8967 194:7314 195:5223 196:3129 197:2498 198:6034 199:6420 200:8051 201:6193 202:10517 203:10187 204:4549 205:3700 206:4396 207:3517 208:4125 209:4927 210:4455 211:2485 212:4261 213:3418 214:1117 215:71 216:6731 217:2769 218:1305 219:471 220:2035 221:1001 222:773 223:2156 End of report