IPv4 R&E Routing Table Report 21:10 GMT Thu 08 Jun, 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: 922587 Prefixes after maximum aggregation (per Origin AS): 349908 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 450488 Number of IPv4 prefixes with a valid ROA: 406348 Number of IPv4 prefixes with an invalid ROA: 2458 Number of IPv4 prefixes with no ROA: 513781 Total ASes present in the Internet Routing Table: 74451 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64007 Origin ASes announcing only one prefix: 26259 Transit ASes present in the Internet Routing Table: 10444 Transit-only ASes present in the Internet Routing Table: 424 Paths with bogon ASNs present in the IPv4 Routing Table: 70 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: 1043 Number of instances of unregistered ASNs: 1110 Number of 32-bit ASNs allocated by the RIRs: 42044 Number of 32-bit ASNs visible in the Routing Table: 34645 Prefixes from 32-bit ASNs in the Routing Table: 172363 Number of bogon 32-bit ASNs visible in the Routing Table: 181 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 574 Number of addresses announced to Internet: 3055377664 Equivalent to 182 /8s, 29 /16s and 93 /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: 307799 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243451 Total APNIC prefixes after maximum aggregation: 69085 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 237453 Unique aggregates announced from the APNIC address blocks: 98436 APNIC Region origin ASes present in the Internet Routing Table: 13438 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3970 APNIC Region transit ASes present in the Internet Routing Table: 1802 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: 8760 Number of APNIC addresses announced to Internet: 773197568 Equivalent to 46 /8s, 22 /16s and 15 /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: 270308 Total ARIN prefixes after maximum aggregation: 123039 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273030 Unique aggregates announced from the ARIN address blocks: 130654 ARIN Region origin ASes present in the Internet Routing Table: 19127 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6996 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: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4808 Number of ARIN addresses announced to Internet: 1280150016 Equivalent to 76 /8s, 77 /16s and 138 /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: 259791 Total RIPE prefixes after maximum aggregation: 122692 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255914 Unique aggregates announced from the RIPE address blocks: 158988 RIPE Region origin ASes present in the Internet Routing Table: 28317 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 62 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11188 Number of RIPE addresses announced to Internet: 717587968 Equivalent to 42 /8s, 197 /16s and 134 /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: 118505 Total LACNIC prefixes after maximum aggregation: 28503 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117659 Unique aggregates announced from the LACNIC address blocks: 49432 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2291 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: 8788 Number of LACNIC addresses announced to Internet: 176952064 Equivalent to 10 /8s, 140 /16s and 19 /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: 29489 Total AfriNIC prefixes after maximum aggregation: 5848 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37956 Unique aggregates announced from the AfriNIC address blocks: 12508 AfriNIC Region origin ASes present in the Internet Routing Table: 1754 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 613 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: 1101 Number of AfriNIC addresses announced to Internet: 107095552 Equivalent to 6 /8s, 98 /16s and 38 /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 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5726 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3535 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3373 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3363 1851 89 VNPT-AS-VN VNPT Corp, VN 9498 3022 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2730 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2415 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 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 8471 10832 3110 AMAZON-02, US 11492 4524 300 606 CABLEONE, US 7155 4094 284 70 VIASAT-SP-BACKBONE, US 22773 3574 3068 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3127 54969 2379 DNIC-AS-00749, US 16625 3077 1543 2324 AKAMAI-AS, US 396982 2660 3593 374 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2458 24004 1547 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 7298 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4099 3398 161 AKAMAI-ASN1, NL 8551 3452 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2927 2291 910 ROSTELECOM-AS, RU 9009 2665 248 1383 M247, RO 34984 2277 360 600 TELLCOM-AS, TR 6849 1974 307 17 UKRTELNET, UA 58224 1828 945 534 TCI, IR 61317 1678 112 1302 ASDETUK www.heficed.com, US 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 11397 3361 598 Uninet S.A. de C.V., MX 10620 3525 507 851 Telmex Colombia S.A., CO 13999 2349 351 622 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1330 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 343 512 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1102 180 438 Techtel LMDS Comunicaciones Interactiva 26615 1025 2498 45 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 1561 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1304 1517 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 480 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 11397 3361 598 Uninet S.A. de C.V., MX 9808 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8471 10832 3110 AMAZON-02, US 12479 7298 1706 140 UNI2-AS, ES 7545 5726 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 606 CABLEONE, US 18403 4181 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4099 3398 161 AKAMAI-ASN1, NL 7155 4094 284 70 VIASAT-SP-BACKBONE, US 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 9510 9473 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7158 UNI2-AS, ES 16509 8471 5361 AMAZON-02, US 7545 5726 5033 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4181 4156 FPT-AS-AP FPT Telecom Company, VN 7155 4094 4024 VIASAT-SP-BACKBONE, US 20940 4099 3938 AKAMAI-ASN1, NL 11492 4524 3918 CABLEONE, US 7713 3535 3469 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 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.155.40.0/24 Origin: 20277 UNASSIGNED 23.155.40.0/24 Transit: 32097 WII, 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 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 /12:301 /13:582 /14:1197 /15:2095 /16:13471 /17:8212 /18:13808 /19:25016 /20:43500 /21:51357 /22:109677 /23:98424 /24:554774 /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 6387 7298 UNI2-AS, ES 8151 5349 11397 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3523 SHAW, CA 7155 3079 4094 VIASAT-SP-BACKBONE, US 8551 2925 3452 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2640 3574 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2081 3525 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) ---------------------------------------------- 1:2140 2:1270 3:198 4:5 5:4533 6:131 7:6 8:1523 9:1 11:172 12:1532 13:387 14:2304 15:304 16:193 17:368 18:451 20:264 21:4 22:188 23:6301 24:2601 25:6 27:2551 29:19 31:2515 32:78 34:21 35:112 36:1956 37:4673 38:4787 39:846 40:151 41:3934 42:1993 43:2336 44:306 45:16515 46:4328 47:376 49:1741 50:1863 51:585 52:1586 54:393 55:865 56:8 57:121 58:1895 59:1100 60:988 61:2516 62:2639 63:1907 64:5686 65:2304 66:5021 67:3046 68:1346 69:4135 70:1205 71:680 72:2988 74:2615 75:1557 76:611 77:2440 78:1826 79:2970 80:2116 81:1784 82:1491 83:1262 84:1524 85:3003 86:760 87:2016 88:1176 89:3734 90:616 91:7761 92:2063 93:2617 94:3622 95:4053 96:1318 97:336 98:1151 99:743 100:87 101:1079 102:2776 103:31548 104:4598 105:504 106:879 107:2586 108:1041 109:4203 110:2102 111:3114 112:2036 113:1728 114:1656 115:2052 116:1887 117:2525 118:2615 119:2004 120:1800 121:1101 122:2597 123:2144 124:1564 125:2488 128:1476 129:1057 130:1015 131:1987 132:858 133:420 134:1828 135:307 136:878 137:1094 138:2581 139:1551 140:1260 141:1436 142:1460 143:1519 144:1134 145:345 146:1962 147:1599 148:2437 149:2251 150:892 151:1154 152:1817 153:567 154:4532 155:1421 156:1828 157:1317 158:1082 159:2229 160:2548 161:1560 162:3517 163:1584 164:1627 165:1832 166:1107 167:1750 168:3866 169:951 170:4592 171:885 172:3583 173:2966 174:1068 175:1186 176:3712 177:4581 178:3598 179:2195 180:2555 181:3484 182:3391 183:2081 184:2348 185:20319 186:4793 187:3949 188:4103 189:3668 190:9213 191:1448 192:10927 193:8915 194:7318 195:5163 196:3128 197:2379 198:5962 199:6107 200:7996 201:5906 202:10544 203:10323 204:4559 205:3706 206:4269 207:3449 208:4116 209:4897 210:4373 211:2465 212:4218 213:3635 214:1088 215:59 216:6659 217:2731 218:1308 219:474 220:1997 221:968 222:754 223:2151 End of report