IPv4 R&E Routing Table Report 23:05 GMT Mon 13 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: 927503 Prefixes after maximum aggregation (per Origin AS): 354464 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454390 Number of IPv4 prefixes with a valid ROA: 427890 Number of IPv4 prefixes with an invalid ROA: 1625 Number of IPv4 prefixes with no ROA: 497988 Total ASes present in the Internet Routing Table: 74839 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64386 Origin ASes announcing only one prefix: 26439 Transit ASes present in the Internet Routing Table: 10453 Transit-only ASes present in the Internet Routing Table: 463 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: 1026 Number of instances of unregistered ASNs: 1028 Number of 32-bit ASNs allocated by the RIRs: 43043 Number of 32-bit ASNs visible in the Routing Table: 35310 Prefixes from 32-bit ASNs in the Routing Table: 176625 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: 508 Number of addresses announced to Internet: 3046874368 Equivalent to 181 /8s, 155 /16s and 157 /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: 309434 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243155 Total APNIC prefixes after maximum aggregation: 70895 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236365 Unique aggregates announced from the APNIC address blocks: 98962 APNIC Region origin ASes present in the Internet Routing Table: 13654 APNIC Prefixes per ASN: 17.31 APNIC Region origin ASes announcing only one prefix: 4088 APNIC Region transit ASes present in the Internet Routing Table: 1827 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9052 Number of APNIC addresses announced to Internet: 771591680 Equivalent to 45 /8s, 253 /16s and 142 /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: 272279 Total ARIN prefixes after maximum aggregation: 123951 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276784 Unique aggregates announced from the ARIN address blocks: 132264 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6963 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: 4818 Number of ARIN addresses announced to Internet: 1276510208 Equivalent to 76 /8s, 22 /16s and 0 /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: 261661 Total RIPE prefixes after maximum aggregation: 124403 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256275 Unique aggregates announced from the RIPE address blocks: 160622 RIPE Region origin ASes present in the Internet Routing Table: 28462 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12093 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11424 Number of RIPE addresses announced to Internet: 715255808 Equivalent to 42 /8s, 161 /16s and 240 /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: 119114 Total LACNIC prefixes after maximum aggregation: 28462 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117922 Unique aggregates announced from the LACNIC address blocks: 49313 LACNIC Region origin ASes present in the Internet Routing Table: 11030 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2330 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8867 Number of LACNIC addresses announced to Internet: 178207488 Equivalent to 10 /8s, 159 /16s and 59 /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: 30268 Total AfriNIC prefixes after maximum aggregation: 6039 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39649 Unique aggregates announced from the AfriNIC address blocks: 12806 AfriNIC Region origin ASes present in the Internet Routing Table: 1806 AfriNIC Prefixes per ASN: 21.95 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 341 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: 1149 Number of AfriNIC addresses announced to Internet: 104887808 Equivalent to 6 /8s, 64 /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 9690 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5714 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3636 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3261 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3250 491 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2581 851 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2281 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2190 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 9213 11059 3341 AMAZON-02, US 11492 4550 302 673 CABLEONE, US 7155 4161 288 96 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3509 3039 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3160 54933 2412 DNIC-AS-00749, US 16625 3114 1387 2294 AKAMAI-AS, US 367 3037 3873 1434 DNIC-ASBLK-00306-00371, US 396982 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US 7018 2512 23615 1592 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 7447 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4014 3397 141 AKAMAI-ASN1, NL 8551 3441 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3425 297 1591 M247, RO 12389 2898 2295 912 ROSTELECOM-AS, RU 34984 2321 361 589 TELLCOM-AS, TR 58224 1651 910 584 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1521 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 12013 3352 608 UNINET, MX 10620 3545 504 860 Telmex Colombia S.A., CO 13999 2447 333 632 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1332 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1105 369 22 Telefonica del Peru S.A.A., PE 11664 1062 170 431 Techtel LMDS Comunicaciones Interactiva 26615 1039 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 1611 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 1044 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 480 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 12013 3352 608 UNINET, MX 9808 9690 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9213 11059 3341 AMAZON-02, US 12479 7447 1713 145 UNI2-AS, ES 7545 5714 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4550 302 673 CABLEONE, US 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4161 288 96 VIASAT-SP-BACKBONE, US 20940 4014 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 9690 9650 CHINAMOBILE-CN China Mobile Communications Grou 12479 7447 7302 UNI2-AS, ES 16509 9213 5872 AMAZON-02, US 7545 5714 5020 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN 7155 4161 4065 VIASAT-SP-BACKBONE, US 11492 4550 3877 CABLEONE, US 20940 4014 3873 AKAMAI-ASN1, NL 7552 3636 3616 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 23.165.72.0/24 Origin: 399226 SPEEDFI, CA 23.165.72.0/24 Transit: 174 COGENT-174, 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 /11:100 /12:297 /13:573 /14:1190 /15:2055 /16:13418 /17:8222 /18:13674 /19:24793 /20:43133 /21:51106 /22:109938 /23:98949 /24:559978 /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 6537 7447 UNI2-AS, ES 8151 6033 12013 UNINET, MX 11492 3463 4550 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3109 4161 VIASAT-SP-BACKBONE, US 8551 2918 3441 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2564 3509 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2133 2478 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2119 3545 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) ---------------------------------------------- 1:2221 2:1434 3:270 4:5 5:4378 6:161 7:6 8:1503 9:1 11:172 12:1497 13:354 14:2314 15:304 16:202 17:362 18:675 20:317 21:4 22:188 23:6505 24:2549 25:2 27:2582 29:19 31:2559 32:55 34:31 35:115 36:2027 37:4450 38:5597 39:866 40:149 41:4007 42:2078 43:2276 44:329 45:16721 46:4356 47:372 49:1861 50:1879 51:577 52:1590 54:393 55:808 56:5 57:125 58:1813 59:1113 60:1011 61:2590 62:2679 63:1897 64:5490 65:2332 66:4965 67:3057 68:1347 69:4125 70:1177 71:605 72:2915 74:2625 75:1563 76:630 77:2336 78:1827 79:3014 80:2108 81:1831 82:1520 83:1303 84:1598 85:2976 86:754 87:1940 88:1227 89:3943 90:632 91:7876 92:2130 93:2632 94:3576 95:3996 96:1300 97:315 98:1076 99:737 100:91 101:1388 102:2955 103:32261 104:4809 105:573 106:976 107:2787 108:1135 109:4214 110:2129 111:3135 112:2071 113:1681 114:1704 115:1994 116:1924 117:2567 118:2712 119:1941 120:1767 121:1184 122:2612 123:2179 124:1579 125:2622 128:1412 129:908 130:1050 131:1975 132:805 133:408 134:1710 135:299 136:914 137:984 138:2703 139:1561 140:1327 141:1328 142:1543 143:1521 144:1005 145:341 146:1967 147:1625 148:2456 149:2335 150:875 151:1249 152:1972 153:535 154:5338 155:1389 156:2116 157:1351 158:1052 159:2194 160:2612 161:1604 162:3537 163:1606 164:1651 165:1848 166:1069 167:1744 168:3823 169:789 170:4661 171:970 172:3862 173:2978 174:952 175:1190 176:3611 177:4552 178:3518 179:2177 180:2273 181:3591 182:3373 183:2001 184:2274 185:20630 186:4735 187:4223 188:4052 189:3952 190:9323 191:1443 192:10968 193:8955 194:7301 195:5123 196:3208 197:2503 198:5917 199:6457 200:7987 201:6214 202:10234 203:10014 204:4537 205:3681 206:4379 207:3419 208:4097 209:4891 210:4233 211:2459 212:4262 213:3398 214:1114 215:71 216:6725 217:2757 218:1289 219:412 220:1803 221:1003 222:688 223:2185 End of report