IPv4 R&E Routing Table Report 21:10 GMT Sun 02 Jul, 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: 924805 Prefixes after maximum aggregation (per Origin AS): 350349 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 451601 Number of IPv4 prefixes with a valid ROA: 410729 Number of IPv4 prefixes with an invalid ROA: 2421 Number of IPv4 prefixes with no ROA: 511655 Total ASes present in the Internet Routing Table: 74532 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64088 Origin ASes announcing only one prefix: 26275 Transit ASes present in the Internet Routing Table: 10444 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 61 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 130 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1071 Number of instances of unregistered ASNs: 1090 Number of 32-bit ASNs allocated by the RIRs: 42206 Number of 32-bit ASNs visible in the Routing Table: 34761 Prefixes from 32-bit ASNs in the Routing Table: 173257 Number of bogon 32-bit ASNs visible in the Routing Table: 93 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 551 Number of addresses announced to Internet: 3053796608 Equivalent to 182 /8s, 5 /16s and 61 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308546 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243678 Total APNIC prefixes after maximum aggregation: 69124 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237610 Unique aggregates announced from the APNIC address blocks: 98592 APNIC Region origin ASes present in the Internet Routing Table: 13461 APNIC Prefixes per ASN: 17.65 APNIC Region origin ASes announcing only one prefix: 3977 APNIC Region transit ASes present in the Internet Routing Table: 1788 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: 8801 Number of APNIC addresses announced to Internet: 773163264 Equivalent to 46 /8s, 21 /16s and 137 /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: 271400 Total ARIN prefixes after maximum aggregation: 123379 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273754 Unique aggregates announced from the ARIN address blocks: 130763 ARIN Region origin ASes present in the Internet Routing Table: 19107 ARIN Prefixes per ASN: 14.33 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1925 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1278122752 Equivalent to 76 /8s, 46 /16s and 155 /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: 260127 Total RIPE prefixes after maximum aggregation: 122734 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256623 Unique aggregates announced from the RIPE address blocks: 159636 RIPE Region origin ASes present in the Internet Routing Table: 28355 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12033 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11230 Number of RIPE addresses announced to Internet: 717442560 Equivalent to 42 /8s, 195 /16s and 78 /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 196608-213403 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: 118909 Total LACNIC prefixes after maximum aggregation: 28532 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118054 Unique aggregates announced from the LACNIC address blocks: 49569 LACNIC Region origin ASes present in the Internet Routing Table: 11019 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2311 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of LACNIC addresses announced to Internet: 177038336 Equivalent to 10 /8s, 141 /16s and 100 /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: 29620 Total AfriNIC prefixes after maximum aggregation: 5853 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38212 Unique aggregates announced from the AfriNIC address blocks: 12588 AfriNIC Region origin ASes present in the Internet Routing Table: 1761 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1111 Number of AfriNIC addresses announced to Internet: 107704576 Equivalent to 6 /8s, 107 /16s and 113 /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 9518 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4214 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3533 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3360 1851 90 VNPT-AS-VN VNPT Corp, VN 7552 3316 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3044 498 249 BBIL-AP BHARTI Airtel Ltd., IN 4538 2729 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2434 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 588 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 8700 10891 3137 AMAZON-02, US 11492 4519 300 614 CABLEONE, US 7155 4164 286 85 VIASAT-SP-BACKBONE, US 22773 3548 3069 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3127 1553 2352 AKAMAI-AS, US 749 3124 54969 2376 DNIC-AS-00749, US 367 2733 3744 1309 DNIC-ASBLK-00306-00371, US 396982 2669 3594 380 GOOGLE-CLOUD-PLATFORM, US 30036 2498 361 432 MEDIACOM-ENTERPRISE-BUSINESS, 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 7293 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4089 3398 162 AKAMAI-ASN1, NL 8551 3464 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2944 2292 912 ROSTELECOM-AS, RU 9009 2663 248 1381 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1832 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11493 3371 593 UNINET, MX 10620 3530 507 840 Telmex Colombia S.A., CO 13999 2379 355 627 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1305 344 512 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1101 177 433 Techtel LMDS Comunicaciones Interactiva 26615 1038 2500 47 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 1614 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 525 54 48 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 474 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 11493 3371 593 UNINET, MX 9808 9518 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8700 10891 3137 AMAZON-02, US 12479 7293 1706 141 UNI2-AS, ES 7545 5682 784 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4214 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 286 85 VIASAT-SP-BACKBONE, US 20940 4089 3398 162 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 9518 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7293 7152 UNI2-AS, ES 16509 8700 5563 AMAZON-02, US 7545 5682 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4214 4189 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4079 VIASAT-SP-BACKBONE, US 20940 4089 3927 AKAMAI-ASN1, NL 11492 4519 3905 CABLEONE, US 7713 3533 3470 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:39 /11:103 /12:299 /13:578 /14:1197 /15:2107 /16:13466 /17:8238 /18:13806 /19:25058 /20:43675 /21:51435 /22:109905 /23:98618 /24:556250 /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 6381 7293 UNI2-AS, ES 8151 5428 11493 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3115 4164 VIASAT-SP-BACKBONE, US 8551 2933 3464 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2614 3548 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3530 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) ---------------------------------------------- 1:2157 2:1342 3:226 4:5 5:4524 6:129 7:6 8:1531 9:1 11:172 12:1518 13:387 14:2313 15:301 16:196 17:377 18:499 20:260 21:4 22:188 23:6353 24:2600 25:6 27:2552 29:19 31:2512 32:78 34:23 35:113 36:1964 37:4676 38:4982 39:827 40:151 41:3931 42:2006 43:2336 44:303 45:16660 46:4358 47:376 49:1753 50:1863 51:586 52:1597 54:395 55:976 56:8 57:120 58:1894 59:1158 60:982 61:2481 62:2637 63:1903 64:5619 65:2317 66:5038 67:3072 68:1357 69:4117 70:1214 71:684 72:2984 74:2631 75:1565 76:613 77:2449 78:1830 79:2987 80:2110 81:1782 82:1515 83:1259 84:1554 85:3002 86:750 87:2004 88:1186 89:3786 90:613 91:7762 92:2036 93:2606 94:3568 95:4053 96:1312 97:337 98:1155 99:736 100:95 101:1078 102:2818 103:31715 104:4575 105:504 106:885 107:2575 108:1076 109:4231 110:2102 111:3128 112:2054 113:1730 114:1629 115:2024 116:1885 117:2536 118:2614 119:1983 120:1811 121:1104 122:2621 123:2157 124:1567 125:2489 128:1483 129:1053 130:1021 131:1979 132:851 133:424 134:1800 135:308 136:893 137:1094 138:2549 139:1560 140:1250 141:1426 142:1463 143:1498 144:1104 145:341 146:1975 147:1590 148:2432 149:2209 150:879 151:1161 152:1842 153:560 154:4662 155:1399 156:1809 157:1313 158:1084 159:2264 160:2567 161:1524 162:3517 163:1564 164:1603 165:1877 166:1086 167:1725 168:3863 169:952 170:4620 171:880 172:3636 173:2966 174:1080 175:1196 176:3762 177:4525 178:3616 179:2171 180:2546 181:3502 182:3394 183:2000 184:2324 185:20403 186:4839 187:4057 188:4100 189:3699 190:9241 191:1385 192:10917 193:8931 194:7331 195:5133 196:3131 197:2380 198:5989 199:6107 200:8021 201:5947 202:10521 203:10283 204:4562 205:3711 206:4342 207:3448 208:4139 209:4930 210:4402 211:2465 212:4269 213:3640 214:1085 215:59 216:6689 217:2766 218:1305 219:475 220:1996 221:966 222:754 223:2156 End of report