IPv4 R&E Routing Table Report 23:05 GMT Tue 09 Apr, 2024 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: 938010 Prefixes after maximum aggregation (per Origin AS): 359076 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459543 Number of IPv4 prefixes with a valid ROA: 460620 Number of IPv4 prefixes with an invalid ROA: 1020 Number of IPv4 prefixes with no ROA: 476370 Total ASes present in the Internet Routing Table: 75427 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64751 Origin ASes announcing only one prefix: 26571 Transit ASes present in the Internet Routing Table: 10676 Transit-only ASes present in the Internet Routing Table: 491 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1072 Number of instances of unregistered ASNs: 1075 Number of 32-bit ASNs allocated by the RIRs: 44064 Number of 32-bit ASNs visible in the Routing Table: 36112 Prefixes from 32-bit ASNs in the Routing Table: 183547 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 602 Number of addresses announced to Internet: 3027402752 Equivalent to 180 /8s, 114 /16s and 128 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309716 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246974 Total APNIC prefixes after maximum aggregation: 72549 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239626 Unique aggregates announced from the APNIC address blocks: 100069 APNIC Region origin ASes present in the Internet Routing Table: 13972 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4224 APNIC Region transit ASes present in the Internet Routing Table: 1858 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9409 Number of APNIC addresses announced to Internet: 760030976 Equivalent to 45 /8s, 77 /16s and 39 /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: 273655 Total ARIN prefixes after maximum aggregation: 124260 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278332 Unique aggregates announced from the ARIN address blocks: 133307 ARIN Region origin ASes present in the Internet Routing Table: 19084 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1917 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4866 Number of ARIN addresses announced to Internet: 1269226496 Equivalent to 75 /8s, 166 /16s and 220 /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: 264000 Total RIPE prefixes after maximum aggregation: 126636 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258759 Unique aggregates announced from the RIPE address blocks: 163093 RIPE Region origin ASes present in the Internet Routing Table: 28596 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 3984 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11719 Number of RIPE addresses announced to Internet: 714811904 Equivalent to 42 /8s, 155 /16s and 42 /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: 121436 Total LACNIC prefixes after maximum aggregation: 28808 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119709 Unique aggregates announced from the LACNIC address blocks: 49530 LACNIC Region origin ASes present in the Internet Routing Table: 11070 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2606 LACNIC Region transit ASes present in the Internet Routing Table: 2397 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8936 Number of LACNIC addresses announced to Internet: 177197824 Equivalent to 10 /8s, 143 /16s and 211 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30873 Total AfriNIC prefixes after maximum aggregation: 6122 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 40982 Unique aggregates announced from the AfriNIC address blocks: 13067 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.62 AfriNIC Region origin ASes announcing only one prefix: 648 AfriNIC Region transit ASes present in the Internet Routing Table: 348 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1182 Number of AfriNIC addresses announced to Internet: 105817344 Equivalent to 6 /8s, 78 /16s and 165 /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 9835 8741 62 CHINAMOBILE-CN China Mobile Communicati 7545 5663 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4577 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3864 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3569 497 258 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2772 860 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9849 11373 3438 AMAZON-02, US 11492 4601 305 610 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3514 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3298 6630 810 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3098 1317 2214 AKAMAI-AS, US 367 2802 3534 1333 DNIC-ASBLK-00306-00371, US 396982 2764 3641 413 GOOGLE-CLOUD-PLATFORM, 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 7690 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3850 3395 126 AKAMAI-ASN1, NL 9009 3274 284 1598 M247, RO 12389 2987 2304 904 ROSTELECOM-AS, RU 8551 2636 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1528 1852 14 TE-AS TE-AS, EG 44477 1524 100 724 STARK-INDUSTRIES, GB 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 12394 3320 494 UNINET, MX 10620 3528 497 889 Telmex Colombia S.A., CO 13999 2525 346 653 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2315 247 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1150 178 425 Techtel LMDS Comunicaciones Interactiva 6503 1102 346 480 Axtel, S.A.B. de C.V., MX 6147 1081 369 22 Telefonica del Peru S.A.A., PE 22884 1071 114 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 529 56 56 WANANCHI-, KE 36914 479 82 3 KENET-AS, KE 24757 433 73 5 EthioNet-AS, ET 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 12394 3320 494 UNINET, MX 16509 9849 11373 3438 AMAZON-02, US 9808 9835 8741 62 CHINAMOBILE-CN China Mobile Communicati 12479 7690 1709 144 UNI2-AS, ES 7545 5663 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4601 305 610 CABLEONE, US 18403 4577 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3864 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9835 9773 CHINAMOBILE-CN China Mobile Communications Grou 12479 7690 7546 UNI2-AS, ES 16509 9849 6411 AMAZON-02, US 7545 5663 4985 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4577 4553 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4601 3991 CABLEONE, US 7552 3864 3844 VIETEL-AS-AP Viettel Group, VN 20940 3850 3724 AKAMAI-ASN1, NL 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 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 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /10:36 /11:95 /12:297 /13:578 /14:1194 /15:2066 /16:13235 /17:8126 /18:13570 /19:24496 /20:43008 /21:50956 /22:110271 /23:98293 /24:571751 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6810 7690 UNI2-AS, ES 8151 6404 12394 UNINET, MX 11492 3514 4601 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2612 3514 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2134 3528 Telmex Colombia S.A., CO 30036 2133 2476 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2112 2636 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2278 2:1495 3:323 4:6 5:4526 6:161 7:6 8:1499 9:1 11:172 12:1463 13:376 14:2356 15:318 16:209 17:367 18:756 20:358 21:4 22:188 23:6651 24:2711 25:2 27:2576 29:19 31:2669 32:46 34:63 35:123 36:2280 37:4460 38:7152 39:891 40:126 41:4069 42:2207 43:2333 44:318 45:16978 46:4406 47:302 49:1895 50:1905 51:573 52:1588 54:309 55:997 56:5 57:164 58:1979 59:1185 60:1029 61:2614 62:2682 63:1893 64:5537 65:2317 66:4657 67:3069 68:1312 69:4096 70:1192 71:576 72:2895 74:2588 75:1548 76:626 77:2432 78:1844 79:2493 80:2187 81:1953 82:1548 83:1314 84:1643 85:3126 86:839 87:2014 88:1239 89:4035 90:680 91:8072 92:2203 93:2651 94:3671 95:4135 96:1306 97:314 98:1044 99:742 100:93 101:1170 102:3111 103:32428 104:4852 105:634 106:930 107:2770 108:1115 109:4068 110:2125 111:3228 112:2066 113:1794 114:1777 115:2032 116:1869 117:2620 118:2829 119:1966 120:1785 121:1264 122:2668 123:2199 124:1606 125:2844 126:32 128:1431 129:928 130:1103 131:1848 132:801 133:410 134:1716 135:317 136:924 137:1023 138:2832 139:1530 140:1382 141:1362 142:1586 143:1504 144:998 145:348 146:2050 147:1822 148:2481 149:2530 150:1030 151:1341 152:1999 153:523 154:6372 155:1441 156:2286 157:1685 158:1114 159:2320 160:2635 161:1619 162:3575 163:1708 164:1638 165:2129 166:1126 167:1779 168:3924 169:793 170:4740 171:995 172:3820 173:3031 174:911 175:1200 176:3618 177:4633 178:3584 179:2251 180:2358 181:3678 182:3378 183:2036 184:2273 185:20672 186:4971 187:4522 188:4040 189:4114 190:9336 191:1467 192:10934 193:9042 194:7454 195:5253 196:3113 197:2461 198:5889 199:7561 200:8001 201:6312 202:10217 203:10154 204:4540 205:3699 206:4445 207:3370 208:4126 209:5000 210:4394 211:2486 212:4287 213:3405 214:1082 215:50 216:6761 217:2820 218:1311 219:406 220:1815 221:1032 222:697 223:2208 End of report