IPv4 R&E Routing Table Report 21:10 GMT Thu 23 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: 934163 Prefixes after maximum aggregation (per Origin AS): 355447 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454646 Number of IPv4 prefixes with a valid ROA: 430027 Number of IPv4 prefixes with an invalid ROA: 2298 Number of IPv4 prefixes with no ROA: 501838 Total ASes present in the Internet Routing Table: 75033 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64452 Origin ASes announcing only one prefix: 26474 Transit ASes present in the Internet Routing Table: 10581 Transit-only ASes present in the Internet Routing Table: 476 Paths with bogon ASNs present in the IPv4 Routing Table: 46 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 41 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 43102 Number of 32-bit ASNs visible in the Routing Table: 35398 Prefixes from 32-bit ASNs in the Routing Table: 177729 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3048763648 Equivalent to 181 /8s, 184 /16s and 113 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 310119 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247205 Total APNIC prefixes after maximum aggregation: 71103 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 240426 Unique aggregates announced from the APNIC address blocks: 99295 APNIC Region origin ASes present in the Internet Routing Table: 13733 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 4114 APNIC Region transit ASes present in the Internet Routing Table: 1851 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: 9087 Number of APNIC addresses announced to Internet: 771361280 Equivalent to 45 /8s, 250 /16s and 10 /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: 273502 Total ARIN prefixes after maximum aggregation: 124030 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278164 Unique aggregates announced from the ARIN address blocks: 132223 ARIN Region origin ASes present in the Internet Routing Table: 19072 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1933 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: 4828 Number of ARIN addresses announced to Internet: 1276195840 Equivalent to 76 /8s, 17 /16s and 52 /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: 262532 Total RIPE prefixes after maximum aggregation: 124750 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257080 Unique aggregates announced from the RIPE address blocks: 160475 RIPE Region origin ASes present in the Internet Routing Table: 28479 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12101 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11442 Number of RIPE addresses announced to Internet: 714976768 Equivalent to 42 /8s, 157 /16s and 174 /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: 119738 Total LACNIC prefixes after maximum aggregation: 28819 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 118514 Unique aggregates announced from the LACNIC address blocks: 49381 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2354 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 41 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8892 Number of LACNIC addresses announced to Internet: 178423552 Equivalent to 10 /8s, 162 /16s and 135 /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: 30129 Total AfriNIC prefixes after maximum aggregation: 6029 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39454 Unique aggregates announced from the AfriNIC address blocks: 12840 AfriNIC Region origin ASes present in the Internet Routing Table: 1807 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 349 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: 1149 Number of AfriNIC addresses announced to Internet: 107378176 Equivalent to 6 /8s, 102 /16s and 118 /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 9727 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5684 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4338 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3597 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3381 494 246 BBIL-AP BHARTI Airtel Ltd., IN 45899 3239 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 2987 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2937 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2609 851 367 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 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 9344 11144 3288 AMAZON-02, US 11492 4557 302 676 CABLEONE, US 7155 4175 288 98 VIASAT-SP-BACKBONE, US 6327 3558 1320 68 SHAW, CA 22773 3515 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3115 1386 2294 AKAMAI-AS, US 367 3021 3868 1423 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2584 23619 1600 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 7469 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4023 3397 144 AKAMAI-ASN1, NL 9009 3458 299 1613 M247, RO 8551 3434 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2978 2298 920 ROSTELECOM-AS, RU 34984 2320 361 588 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1602 895 608 TCI, IR 8452 1528 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 12070 3376 603 UNINET, MX 10620 3528 499 871 Telmex Colombia S.A., CO 13999 2467 337 644 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1331 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 781 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1082 369 22 Telefonica del Peru S.A.A., PE 11664 1081 173 437 Techtel LMDS Comunicaciones Interactiva 26615 1039 2502 52 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 1600 389 16 LINKdotNET-AS, EG 24835 1548 545 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 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 24757 481 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 12070 3376 603 UNINET, MX 9808 9727 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9344 11144 3288 AMAZON-02, US 12479 7469 1714 146 UNI2-AS, ES 7545 5684 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4557 302 676 CABLEONE, US 18403 4338 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 98 VIASAT-SP-BACKBONE, US 20940 4023 3397 144 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 9727 9686 CHINAMOBILE-CN China Mobile Communications Grou 12479 7469 7323 UNI2-AS, ES 16509 9344 6056 AMAZON-02, US 7545 5684 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4338 4313 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4077 VIASAT-SP-BACKBONE, US 11492 4557 3881 CABLEONE, US 20940 4023 3879 AKAMAI-ASN1, NL 7713 3597 3527 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 23.176.160.0/24 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /11:99 /12:298 /13:582 /14:1193 /15:2091 /16:13460 /17:8271 /18:13787 /19:25008 /20:43908 /21:51481 /22:110463 /23:99748 /24:563705 /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 6563 7469 UNI2-AS, ES 8151 6092 12070 UNINET, MX 11492 3470 4557 CABLEONE, US 6327 3367 3558 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3122 4175 VIASAT-SP-BACKBONE, US 8551 2911 3434 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2568 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3528 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) ---------------------------------------------- 1:2226 2:1426 3:276 4:5 5:4392 6:162 7:6 8:1511 9:1 11:172 12:1493 13:376 14:2310 15:304 16:206 17:363 18:681 20:319 21:4 22:188 23:6515 24:2568 25:2 27:2593 29:19 31:2539 32:55 34:32 35:118 36:2029 37:4458 38:5670 39:878 40:149 41:3943 42:2074 43:2308 44:327 45:16725 46:4385 47:373 49:1853 50:1885 51:573 52:1593 54:393 55:877 56:5 57:128 58:1906 59:1162 60:1007 61:2579 62:2747 63:1901 64:5492 65:2235 66:5036 67:3059 68:1354 69:4126 70:1190 71:614 72:2926 74:2632 75:1560 76:628 77:2321 78:1827 79:3019 80:2111 81:1842 82:1533 83:1312 84:1615 85:2978 86:779 87:1958 88:1239 89:3953 90:631 91:7882 92:2145 93:2643 94:3580 95:4021 96:1298 97:316 98:1085 99:738 100:97 101:1414 102:2983 103:32510 104:4794 105:591 106:973 107:2769 108:1142 109:4214 110:2133 111:3108 112:2074 113:1685 114:1714 115:2041 116:1912 117:2484 118:2740 119:1965 120:1783 121:1243 122:2634 123:2203 124:1576 125:2767 128:1506 129:912 130:1056 131:1987 132:871 133:407 134:1704 135:298 136:922 137:1188 138:2717 139:1570 140:1336 141:1338 142:1533 143:1521 144:1007 145:342 146:1990 147:1635 148:2467 149:2300 150:1019 151:1254 152:1838 153:591 154:5311 155:1380 156:2132 157:1371 158:1056 159:2209 160:2608 161:1606 162:3573 163:1636 164:1652 165:1878 166:1105 167:1761 168:3845 169:802 170:4674 171:946 172:3770 173:2996 174:955 175:1207 176:3628 177:4560 178:3543 179:2163 180:2327 181:3590 182:3372 183:2023 184:2273 185:20526 186:4801 187:4271 188:4071 189:3955 190:9307 191:1465 192:11032 193:8980 194:7312 195:5208 196:3136 197:2471 198:6036 199:6517 200:8087 201:6245 202:10533 203:10184 204:4576 205:3699 206:4431 207:3498 208:4109 209:4918 210:4472 211:2487 212:4245 213:3402 214:1113 215:69 216:6722 217:2752 218:1321 219:474 220:2031 221:1008 222:780 223:2183 End of report