IPv4 R&E Routing Table Report 23:05 GMT Tue 21 Nov, 2023 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 927898 Prefixes after maximum aggregation (per Origin AS): 354610 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454640 Number of IPv4 prefixes with a valid ROA: 429052 Number of IPv4 prefixes with an invalid ROA: 1362 Number of IPv4 prefixes with no ROA: 497484 Total ASes present in the Internet Routing Table: 74869 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64412 Origin ASes announcing only one prefix: 26477 Transit ASes present in the Internet Routing Table: 10457 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1021 Number of instances of unregistered ASNs: 1023 Number of 32-bit ASNs allocated by the RIRs: 43080 Number of 32-bit ASNs visible in the Routing Table: 35350 Prefixes from 32-bit ASNs in the Routing Table: 177034 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3048468736 Equivalent to 181 /8s, 179 /16s and 241 /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: 309364 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243391 Total APNIC prefixes after maximum aggregation: 70938 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236674 Unique aggregates announced from the APNIC address blocks: 99212 APNIC Region origin ASes present in the Internet Routing Table: 13680 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4105 APNIC Region transit ASes present in the Internet Routing Table: 1836 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9075 Number of APNIC addresses announced to Internet: 771153664 Equivalent to 45 /8s, 246 /16s and 223 /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: 272348 Total ARIN prefixes after maximum aggregation: 123815 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276975 Unique aggregates announced from the ARIN address blocks: 132249 ARIN Region origin ASes present in the Internet Routing Table: 19027 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1882 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1276071680 Equivalent to 76 /8s, 15 /16s and 79 /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: 261829 Total RIPE prefixes after maximum aggregation: 124579 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256330 Unique aggregates announced from the RIPE address blocks: 160566 RIPE Region origin ASes present in the Internet Routing Table: 28462 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12097 RIPE Region transit ASes present in the Internet Routing Table: 3896 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11427 Number of RIPE addresses announced to Internet: 714959360 Equivalent to 42 /8s, 157 /16s and 106 /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: 119260 Total LACNIC prefixes after maximum aggregation: 28545 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118060 Unique aggregates announced from the LACNIC address blocks: 49368 LACNIC Region origin ASes present in the Internet Routing Table: 11037 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2332 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8878 Number of LACNIC addresses announced to Internet: 178343168 Equivalent to 10 /8s, 161 /16s and 77 /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: 30049 Total AfriNIC prefixes after maximum aggregation: 6039 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 39331 Unique aggregates announced from the AfriNIC address blocks: 12809 AfriNIC Region origin ASes present in the Internet Routing Table: 1809 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 636 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1151 Number of AfriNIC addresses announced to Internet: 107511552 Equivalent to 6 /8s, 104 /16s and 127 /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 9726 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5689 788 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4344 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3639 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3264 494 245 BBIL-AP BHARTI Airtel Ltd., IN 45899 3263 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2592 852 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2281 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 200 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9333 11142 3287 AMAZON-02, US 11492 4557 302 676 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3553 1320 67 SHAW, CA 22773 3507 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3123 1390 2299 AKAMAI-AS, US 367 3022 3869 1422 DNIC-ASBLK-00306-00371, US 396982 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US 7018 2523 23619 1587 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7456 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4011 3397 141 AKAMAI-ASN1, NL 8551 3433 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3426 297 1594 M247, RO 12389 2909 2297 917 ROSTELECOM-AS, RU 34984 2322 361 589 TELLCOM-AS, TR 58224 1623 902 593 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1527 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12078 3376 609 UNINET, MX 10620 3527 499 871 Telmex Colombia S.A., CO 13999 2452 334 644 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1332 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 778 190 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 11664 1080 173 438 Techtel LMDS Comunicaciones Interactiva 26615 1040 2502 52 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1598 393 19 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 479 73 5 EthioNet-AS, ET 37342 471 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12078 3376 609 UNINET, MX 9808 9726 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9333 11142 3287 AMAZON-02, US 12479 7456 1713 145 UNI2-AS, ES 7545 5689 788 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4557 302 676 CABLEONE, US 18403 4344 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 4011 3397 141 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9726 9685 CHINAMOBILE-CN China Mobile Communications Grou 12479 7456 7311 UNI2-AS, ES 16509 9333 6046 AMAZON-02, US 7545 5689 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4344 4319 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4557 3881 CABLEONE, US 20940 4011 3870 AKAMAI-ASN1, NL 7552 3639 3619 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 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 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS 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 23.166.56.0/24 Origin: 53684 CWAS02, US 23.166.56.0/24 Transit: 3356 LEVEL3, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:37 /11:99 /12:298 /13:578 /14:1193 /15:2056 /16:13406 /17:8182 /18:13675 /19:24795 /20:43151 /21:51130 /22:110002 /23:99000 /24:560256 /25:0 /26:2 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6547 7456 UNI2-AS, ES 8151 6087 12078 UNINET, MX 11492 3470 4557 CABLEONE, US 6327 3363 3553 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2910 3433 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2562 3507 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2137 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3527 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2237 2:1423 3:276 4:5 5:4381 6:162 7:6 8:1502 9:1 11:172 12:1493 13:375 14:2321 15:304 16:206 17:362 18:676 20:319 21:4 22:188 23:6496 24:2557 25:2 27:2581 29:19 31:2567 32:55 34:33 35:115 36:2026 37:4445 38:5649 39:878 40:150 41:3968 42:2075 43:2295 44:328 45:16677 46:4352 47:373 49:1849 50:1878 51:573 52:1591 54:393 55:873 56:5 57:125 58:1824 59:1113 60:1005 61:2580 62:2711 63:1899 64:5491 65:2359 66:4976 67:3063 68:1347 69:4121 70:1180 71:605 72:2922 74:2624 75:1563 76:624 77:2342 78:1828 79:3017 80:2110 81:1848 82:1513 83:1309 84:1601 85:2990 86:781 87:1944 88:1231 89:3949 90:628 91:7870 92:2144 93:2641 94:3557 95:3994 96:1297 97:316 98:1083 99:738 100:96 101:1418 102:2937 103:32416 104:4781 105:591 106:977 107:2780 108:1131 109:4196 110:2130 111:3125 112:2069 113:1682 114:1713 115:1994 116:1923 117:2560 118:2743 119:1952 120:1767 121:1194 122:2607 123:2183 124:1581 125:2635 128:1427 129:903 130:1051 131:1974 132:815 133:407 134:1716 135:298 136:920 137:1035 138:2697 139:1560 140:1326 141:1323 142:1529 143:1518 144:1003 145:340 146:1976 147:1629 148:2464 149:2291 150:1011 151:1254 152:1832 153:524 154:5326 155:1380 156:2109 157:1354 158:1055 159:2199 160:2608 161:1600 162:3563 163:1616 164:1634 165:1858 166:1066 167:1753 168:3826 169:787 170:4647 171:971 172:3764 173:2991 174:953 175:1194 176:3610 177:4541 178:3517 179:2164 180:2265 181:3591 182:3378 183:2009 184:2271 185:20499 186:4739 187:4252 188:4046 189:3950 190:9292 191:1490 192:10978 193:8957 194:7297 195:5190 196:3135 197:2453 198:5928 199:6522 200:8005 201:6237 202:10237 203:10020 204:4548 205:3681 206:4360 207:3402 208:4085 209:4884 210:4237 211:2456 212:4248 213:3392 214:1116 215:71 216:6724 217:2770 218:1293 219:412 220:1796 221:1001 222:688 223:2182 End of report