IPv4 R&E Routing Table Report 21:10 GMT Tue 11 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: 924435 Prefixes after maximum aggregation (per Origin AS): 350486 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 451666 Number of IPv4 prefixes with a valid ROA: 411844 Number of IPv4 prefixes with an invalid ROA: 2386 Number of IPv4 prefixes with no ROA: 510205 Total ASes present in the Internet Routing Table: 74540 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64071 Origin ASes announcing only one prefix: 26290 Transit ASes present in the Internet Routing Table: 10469 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 60 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: 1052 Number of instances of unregistered ASNs: 1071 Number of 32-bit ASNs allocated by the RIRs: 42276 Number of 32-bit ASNs visible in the Routing Table: 34770 Prefixes from 32-bit ASNs in the Routing Table: 173044 Number of bogon 32-bit ASNs visible in the Routing Table: 89 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 535 Number of addresses announced to Internet: 3053224448 Equivalent to 181 /8s, 252 /16s and 130 /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: 308242 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243835 Total APNIC prefixes after maximum aggregation: 69247 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 237678 Unique aggregates announced from the APNIC address blocks: 98638 APNIC Region origin ASes present in the Internet Routing Table: 13474 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 3983 APNIC Region transit ASes present in the Internet Routing Table: 1786 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8814 Number of APNIC addresses announced to Internet: 773244160 Equivalent to 46 /8s, 22 /16s and 197 /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: 270925 Total ARIN prefixes after maximum aggregation: 123344 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273349 Unique aggregates announced from the ARIN address blocks: 130728 ARIN Region origin ASes present in the Internet Routing Table: 19097 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1927 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: 4806 Number of ARIN addresses announced to Internet: 1276918528 Equivalent to 76 /8s, 28 /16s and 59 /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: 260204 Total RIPE prefixes after maximum aggregation: 122707 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256675 Unique aggregates announced from the RIPE address blocks: 159608 RIPE Region origin ASes present in the Internet Routing Table: 28361 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3898 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: 11226 Number of RIPE addresses announced to Internet: 716714496 Equivalent to 42 /8s, 184 /16s and 50 /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: 118755 Total LACNIC prefixes after maximum aggregation: 28599 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117911 Unique aggregates announced from the LACNIC address blocks: 49562 LACNIC Region origin ASes present in the Internet Routing Table: 11024 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2331 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: 8809 Number of LACNIC addresses announced to Internet: 178462976 Equivalent to 10 /8s, 163 /16s and 33 /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: 29664 Total AfriNIC prefixes after maximum aggregation: 5880 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38286 Unique aggregates announced from the AfriNIC address blocks: 12687 AfriNIC Region origin ASes present in the Internet Routing Table: 1767 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1115 Number of AfriNIC addresses announced to Internet: 107567616 Equivalent to 6 /8s, 105 /16s and 90 /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 9529 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5684 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3537 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3364 1867 87 VNPT-AS-VN VNPT Corp, VN 7552 3335 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3044 497 247 BBIL-AP BHARTI Airtel Ltd., IN 4538 2733 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2442 836 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 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 8705 10904 3133 AMAZON-02, US 11492 4519 300 623 CABLEONE, US 7155 4165 286 85 VIASAT-SP-BACKBONE, US 22773 3548 3070 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3145 1556 2361 AKAMAI-AS, US 749 3142 54962 2394 DNIC-AS-00749, US 367 2735 3747 1306 DNIC-ASBLK-00306-00371, US 396982 2675 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2492 358 442 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 7306 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4093 3398 160 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2948 2294 913 ROSTELECOM-AS, RU 9009 2652 246 1376 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1809 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 11410 3391 588 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2396 359 641 Mega Cable, S.A. de C.V., MX 11830 2222 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 512 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1106 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1037 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 486 73 5 EthioNet-AS, ET 37342 461 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 11410 3391 588 UNINET, MX 9808 9529 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8705 10904 3133 AMAZON-02, US 12479 7306 1706 141 UNI2-AS, ES 7545 5684 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 623 CABLEONE, US 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4165 286 85 VIASAT-SP-BACKBONE, US 20940 4093 3398 160 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 9529 9492 CHINAMOBILE-CN China Mobile Communications Grou 12479 7306 7165 UNI2-AS, ES 16509 8705 5572 AMAZON-02, US 7545 5684 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4246 4221 FPT-AS-AP FPT Telecom Company, VN 7155 4165 4080 VIASAT-SP-BACKBONE, US 20940 4093 3933 AKAMAI-ASN1, NL 11492 4519 3896 CABLEONE, US 7713 3537 3474 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 7015 COMCAST-7015, 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 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 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 /12:296 /13:577 /14:1198 /15:2107 /16:13468 /17:8238 /18:13809 /19:25059 /20:43865 /21:51448 /22:109737 /23:98595 /24:555865 /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 6394 7306 UNI2-AS, ES 8151 5363 11410 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3116 4165 VIASAT-SP-BACKBONE, US 8551 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2613 3548 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2148 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3531 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) ---------------------------------------------- 1:2177 2:1348 3:231 4:5 5:4509 6:130 7:6 8:1527 9:1 11:172 12:1517 13:387 14:2315 15:301 16:196 17:376 18:506 20:266 21:4 22:188 23:6354 24:2598 25:6 27:2551 29:19 31:2518 32:77 34:25 35:113 36:1950 37:4680 38:4961 39:827 40:152 41:3925 42:2010 43:2318 44:304 45:16608 46:4345 47:374 49:1758 50:1856 51:586 52:1589 54:397 55:976 56:8 57:121 58:1893 59:1157 60:988 61:2485 62:2634 63:1899 64:5615 65:2316 66:5006 67:3055 68:1350 69:4077 70:1205 71:683 72:2982 74:2618 75:1565 76:617 77:2455 78:1829 79:2979 80:2111 81:1789 82:1494 83:1256 84:1543 85:2983 86:764 87:2009 88:1192 89:3825 90:613 91:7781 92:2044 93:2603 94:3586 95:4049 96:1311 97:336 98:1154 99:735 100:95 101:1312 102:2838 103:31742 104:4573 105:506 106:877 107:2555 108:1089 109:4241 110:2101 111:3129 112:2021 113:1740 114:1629 115:2027 116:1895 117:2534 118:2619 119:1986 120:1795 121:1103 122:2569 123:2157 124:1565 125:2476 128:1477 129:1053 130:1022 131:1989 132:855 133:422 134:1797 135:307 136:894 137:1102 138:2564 139:1577 140:1219 141:1327 142:1471 143:1515 144:1019 145:341 146:1966 147:1580 148:2439 149:2173 150:883 151:1165 152:1837 153:562 154:4668 155:1384 156:1822 157:1311 158:1090 159:2267 160:2584 161:1559 162:3516 163:1564 164:1607 165:1876 166:1071 167:1729 168:3889 169:952 170:4625 171:869 172:3632 173:2963 174:1081 175:1204 176:3775 177:4529 178:3610 179:2179 180:2549 181:3489 182:3391 183:1997 184:2318 185:20436 186:4801 187:4044 188:4099 189:3702 190:9258 191:1376 192:10912 193:8945 194:7326 195:5145 196:3125 197:2369 198:5990 199:6103 200:7935 201:5878 202:10516 203:10281 204:4571 205:3683 206:4332 207:3441 208:4141 209:4924 210:4399 211:2472 212:4254 213:3605 214:1077 215:59 216:6659 217:2757 218:1309 219:477 220:2002 221:968 222:753 223:2157 End of report