IPv4 R&E Routing Table Report 21:10 GMT Wed 21 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: 924076 Prefixes after maximum aggregation (per Origin AS): 350219 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 451156 Number of IPv4 prefixes with a valid ROA: 408255 Number of IPv4 prefixes with an invalid ROA: 2382 Number of IPv4 prefixes with no ROA: 513439 Total ASes present in the Internet Routing Table: 74531 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64071 Origin ASes announcing only one prefix: 26267 Transit ASes present in the Internet Routing Table: 10460 Transit-only ASes present in the Internet Routing Table: 433 Paths with bogon ASNs present in the IPv4 Routing Table: 58 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: 1053 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 42108 Number of 32-bit ASNs visible in the Routing Table: 34725 Prefixes from 32-bit ASNs in the Routing Table: 172614 Number of bogon 32-bit ASNs visible in the Routing Table: 69 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 567 Number of addresses announced to Internet: 3055151104 Equivalent to 182 /8s, 25 /16s and 232 /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: 308245 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243729 Total APNIC prefixes after maximum aggregation: 69001 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237839 Unique aggregates announced from the APNIC address blocks: 98567 APNIC Region origin ASes present in the Internet Routing Table: 13463 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3969 APNIC Region transit ASes present in the Internet Routing Table: 1798 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: 8798 Number of APNIC addresses announced to Internet: 773351680 Equivalent to 46 /8s, 24 /16s and 105 /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: 271132 Total ARIN prefixes after maximum aggregation: 123284 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273613 Unique aggregates announced from the ARIN address blocks: 130763 ARIN Region origin ASes present in the Internet Routing Table: 19122 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6991 ARIN Region transit ASes present in the Internet Routing Table: 1930 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: 1279565568 Equivalent to 76 /8s, 68 /16s and 159 /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: 260135 Total RIPE prefixes after maximum aggregation: 122820 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256343 Unique aggregates announced from the RIPE address blocks: 159380 RIPE Region origin ASes present in the Internet Routing Table: 28351 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12023 RIPE Region transit ASes present in the Internet Routing Table: 3911 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: 11218 Number of RIPE addresses announced to Internet: 717496832 Equivalent to 42 /8s, 196 /16s and 34 /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: 118525 Total LACNIC prefixes after maximum aggregation: 28531 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117636 Unique aggregates announced from the LACNIC address blocks: 49528 LACNIC Region origin ASes present in the Internet Routing Table: 11012 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2301 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8798 Number of LACNIC addresses announced to Internet: 177016832 Equivalent to 10 /8s, 141 /16s and 16 /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: 29502 Total AfriNIC prefixes after maximum aggregation: 5836 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38077 Unique aggregates announced from the AfriNIC address blocks: 12454 AfriNIC Region origin ASes present in the Internet Routing Table: 1749 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1100 Number of AfriNIC addresses announced to Internet: 107392512 Equivalent to 6 /8s, 102 /16s and 174 /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 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4227 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3539 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3364 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3359 1851 90 VNPT-AS-VN VNPT Corp, VN 9498 3037 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2730 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2431 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2298 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 8505 10861 3125 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4135 284 78 VIASAT-SP-BACKBONE, US 22773 3559 3069 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 16625 3133 1558 2356 AKAMAI-AS, US 749 3125 54969 2377 DNIC-AS-00749, US 396982 2664 3594 377 GOOGLE-CLOUD-PLATFORM, US 30036 2502 359 403 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2460 24006 1564 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 7311 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4096 3398 162 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2944 2292 912 ROSTELECOM-AS, RU 9009 2663 248 1380 M247, RO 34984 2297 360 605 TELLCOM-AS, TR 6849 1971 307 17 UKRTELNET, UA 58224 1830 946 537 TCI, IR 61317 1634 109 1267 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 11429 3373 587 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2366 354 634 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 1304 343 512 Axtel, S.A.B. de C.V., MX 3816 1299 766 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1103 180 437 Techtel LMDS Comunicaciones Interactiva 26615 1029 2499 46 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 1581 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1039 67 47 ORANGE-COTE-IVOIRE, CI 36935 916 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 525 54 47 WANANCHI-, KE 37342 478 32 1 MOVITEL, MZ 24757 472 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 11429 3373 587 UNINET, MX 9808 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8505 10861 3125 AMAZON-02, US 12479 7311 1706 141 UNI2-AS, ES 7545 5676 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4227 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4135 284 78 VIASAT-SP-BACKBONE, US 20940 4096 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 9515 9478 CHINAMOBILE-CN China Mobile Communications Grou 12479 7311 7170 UNI2-AS, ES 16509 8505 5380 AMAZON-02, US 7545 5676 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4227 4202 FPT-AS-AP FPT Telecom Company, VN 7155 4135 4057 VIASAT-SP-BACKBONE, US 20940 4096 3934 AKAMAI-ASN1, NL 11492 4524 3921 CABLEONE, US 7713 3539 3473 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 /12:301 /13:581 /14:1200 /15:2102 /16:13460 /17:8231 /18:13810 /19:25030 /20:43556 /21:51426 /22:109861 /23:98528 /24:555817 /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 6399 7311 UNI2-AS, ES 8151 5364 11429 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3523 SHAW, CA 7155 3121 4135 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2625 3559 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2502 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2158 2:1326 3:210 4:5 5:4529 6:132 7:6 8:1526 9:1 11:172 12:1526 13:387 14:2309 15:304 16:192 17:370 18:466 20:261 21:4 22:188 23:6313 24:2603 25:6 27:2571 29:19 31:2507 32:78 34:22 35:113 36:1963 37:4677 38:4880 39:845 40:151 41:3921 42:2020 43:2327 44:309 45:16596 46:4285 47:377 49:1743 50:1872 51:585 52:1593 54:392 55:974 56:8 57:119 58:1895 59:1160 60:984 61:2524 62:2637 63:1909 64:5661 65:2313 66:5068 67:3068 68:1338 69:4138 70:1222 71:683 72:2981 74:2623 75:1564 76:617 77:2456 78:1827 79:2989 80:2107 81:1795 82:1501 83:1258 84:1532 85:3008 86:747 87:2013 88:1185 89:3741 90:616 91:7750 92:2045 93:2612 94:3618 95:4042 96:1315 97:336 98:1154 99:745 100:94 101:1079 102:2789 103:31692 104:4619 105:505 106:888 107:2581 108:1050 109:4209 110:2102 111:3115 112:2053 113:1725 114:1627 115:2033 116:1896 117:2531 118:2607 119:1989 120:1804 121:1099 122:2620 123:2160 124:1562 125:2490 128:1489 129:1051 130:1017 131:1991 132:854 133:422 134:1795 135:308 136:890 137:1092 138:2577 139:1559 140:1262 141:1447 142:1461 143:1487 144:1133 145:340 146:1967 147:1586 148:2436 149:2217 150:895 151:1158 152:1831 153:558 154:4617 155:1417 156:1826 157:1314 158:1085 159:2273 160:2558 161:1562 162:3519 163:1558 164:1627 165:1838 166:1095 167:1717 168:3829 169:953 170:4575 171:887 172:3600 173:2967 174:1076 175:1192 176:3773 177:4533 178:3615 179:2157 180:2561 181:3507 182:3400 183:2073 184:2340 185:20390 186:4801 187:3972 188:4106 189:3669 190:9226 191:1421 192:10901 193:8920 194:7345 195:5163 196:3126 197:2386 198:5970 199:6096 200:7986 201:5930 202:10557 203:10289 204:4558 205:3728 206:4329 207:3453 208:4141 209:4923 210:4376 211:2466 212:4236 213:3641 214:1092 215:59 216:6651 217:2740 218:1309 219:473 220:1993 221:966 222:753 223:2172 End of report