IPv4 R&E Routing Table Report 23:05 GMT Thu 12 Oct, 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: 925601 Prefixes after maximum aggregation (per Origin AS): 352523 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 453482 Number of IPv4 prefixes with a valid ROA: 425429 Number of IPv4 prefixes with an invalid ROA: 1740 Number of IPv4 prefixes with no ROA: 498432 Total ASes present in the Internet Routing Table: 74718 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64259 Origin ASes announcing only one prefix: 26474 Transit ASes present in the Internet Routing Table: 10459 Transit-only ASes present in the Internet Routing Table: 446 Paths with bogon ASNs present in the IPv4 Routing Table: 22 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 980 Number of instances of unregistered ASNs: 983 Number of 32-bit ASNs allocated by the RIRs: 42822 Number of 32-bit ASNs visible in the Routing Table: 35164 Prefixes from 32-bit ASNs in the Routing Table: 175351 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3051094016 Equivalent to 181 /8s, 220 /16s and 0 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 309513 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241692 Total APNIC prefixes after maximum aggregation: 70273 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235277 Unique aggregates announced from the APNIC address blocks: 98962 APNIC Region origin ASes present in the Internet Routing Table: 13599 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4078 APNIC Region transit ASes present in the Internet Routing Table: 1813 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8989 Number of APNIC addresses announced to Internet: 771187712 Equivalent to 45 /8s, 247 /16s and 100 /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: 272410 Total ARIN prefixes after maximum aggregation: 123354 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276038 Unique aggregates announced from the ARIN address blocks: 132005 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.49 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1277085440 Equivalent to 76 /8s, 30 /16s and 199 /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: 262021 Total RIPE prefixes after maximum aggregation: 123884 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257056 Unique aggregates announced from the RIPE address blocks: 160184 RIPE Region origin ASes present in the Internet Routing Table: 28415 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12082 RIPE Region transit ASes present in the Internet Routing Table: 3907 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11358 Number of RIPE addresses announced to Internet: 716295936 Equivalent to 42 /8s, 177 /16s and 207 /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: 118346 Total LACNIC prefixes after maximum aggregation: 28351 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117311 Unique aggregates announced from the LACNIC address blocks: 49249 LACNIC Region origin ASes present in the Internet Routing Table: 11035 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2710 LACNIC Region transit ASes present in the Internet Routing Table: 2334 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8863 Number of LACNIC addresses announced to Internet: 178446336 Equivalent to 10 /8s, 162 /16s and 224 /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: 30152 Total AfriNIC prefixes after maximum aggregation: 5983 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39409 Unique aggregates announced from the AfriNIC address blocks: 12658 AfriNIC Region origin ASes present in the Internet Routing Table: 1795 AfriNIC Prefixes per ASN: 21.95 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 339 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: 1139 Number of AfriNIC addresses announced to Internet: 107640320 Equivalent to 6 /8s, 106 /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 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5713 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3597 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3331 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3209 495 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2541 850 381 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 203 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 9144 11000 3248 AMAZON-02, US 11492 4538 301 670 CABLEONE, US 7155 4160 288 96 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3525 3039 300 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54958 2414 DNIC-AS-00749, US 367 3029 3852 1423 DNIC-ASBLK-00306-00371, US 16625 2994 1391 2286 AKAMAI-AS, US 396982 2701 3597 397 GOOGLE-CLOUD-PLATFORM, US 30036 2499 359 367 MEDIACOM-ENTERPRISE-BUSINESS, 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 7397 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 152 AKAMAI-ASN1, NL 8551 3447 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3089 276 1513 M247, RO 12389 2894 2295 913 ROSTELECOM-AS, RU 34984 2333 362 593 TELLCOM-AS, TR 58224 1713 922 551 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1521 1852 15 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 11857 3378 607 UNINET, MX 10620 3535 504 859 Telmex Colombia S.A., CO 13999 2413 331 626 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1332 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 766 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1295 344 508 Axtel, S.A.B. de C.V., MX 6147 1112 369 22 Telefonica del Peru S.A.A., PE 11664 1051 168 426 Techtel LMDS Comunicaciones Interactiva 26615 1034 2501 50 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 1606 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 530 55 51 WANANCHI-, KE 37342 487 32 1 MOVITEL, MZ 24757 478 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 11857 3378 607 UNINET, MX 9808 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9144 11000 3248 AMAZON-02, US 12479 7397 1713 145 UNI2-AS, ES 7545 5713 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4538 301 670 CABLEONE, US 18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4160 288 96 VIASAT-SP-BACKBONE, US 20940 4080 3398 152 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 9487 9447 CHINAMOBILE-CN China Mobile Communications Grou 12479 7397 7252 UNI2-AS, ES 16509 9144 5896 AMAZON-02, US 7545 5713 5016 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4259 4234 FPT-AS-AP FPT Telecom Company, VN 7155 4160 4064 VIASAT-SP-BACKBONE, US 20940 4080 3928 AKAMAI-ASN1, NL 11492 4538 3868 CABLEONE, US 7552 3597 3577 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 6461 ZAYO-6461, 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 23.176.160.0/24 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/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 /11:101 /12:299 /13:578 /14:1191 /15:2089 /16:13438 /17:8228 /18:13711 /19:24814 /20:43326 /21:51216 /22:109750 /23:98589 /24:558195 /25:0 /26:1 /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 6483 7397 UNI2-AS, ES 8151 5880 11857 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3451 4538 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3108 4160 VIASAT-SP-BACKBONE, US 8551 2924 3447 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3525 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2109 3535 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) ---------------------------------------------- 1:2216 2:1446 3:266 4:5 5:4381 6:137 7:6 8:1499 9:1 11:172 12:1502 13:368 14:2305 15:302 16:194 17:367 18:661 20:301 21:4 22:188 23:6447 24:2515 25:2 27:2577 29:19 31:2545 32:74 34:26 35:114 36:2001 37:4539 38:5402 39:870 40:143 41:4036 42:2060 43:2269 44:324 45:16570 46:4283 47:371 49:1832 50:1879 51:581 52:1594 54:394 55:950 56:5 57:128 58:1788 59:1115 60:1005 61:2544 62:2678 63:1910 64:5648 65:2352 66:4970 67:3036 68:1344 69:4127 70:1187 71:667 72:2941 74:2620 75:1566 76:630 77:2297 78:1827 79:3001 80:2100 81:1822 82:1525 83:1310 84:1554 85:3049 86:760 87:2014 88:1206 89:3921 90:625 91:7840 92:2061 93:2627 94:3551 95:4075 96:1300 97:316 98:1083 99:734 100:91 101:1292 102:2906 103:32145 104:4732 105:578 106:908 107:2720 108:1137 109:4234 110:2136 111:3145 112:2053 113:1754 114:1694 115:1993 116:1887 117:2535 118:2711 119:1958 120:1781 121:1139 122:2599 123:2172 124:1580 125:2564 128:1399 129:912 130:1039 131:1965 132:859 133:408 134:1779 135:304 136:1010 137:973 138:2646 139:1586 140:1298 141:1317 142:1514 143:1601 144:1005 145:349 146:1954 147:1610 148:2408 149:2325 150:878 151:1233 152:1959 153:523 154:5124 155:1390 156:2001 157:1343 158:1054 159:2194 160:2640 161:1580 162:3517 163:1603 164:1701 165:1854 166:1063 167:1738 168:3801 169:791 170:4600 171:951 172:3794 173:2969 174:984 175:1181 176:3755 177:4469 178:3555 179:2134 180:2466 181:3524 182:3369 183:1989 184:2277 185:20631 186:4721 187:4164 188:4142 189:3878 190:9311 191:1372 192:10939 193:8951 194:7292 195:5207 196:3189 197:2473 198:5927 199:6244 200:7917 201:6166 202:10182 203:9992 204:4532 205:3681 206:4322 207:3409 208:4106 209:4886 210:4213 211:2448 212:4273 213:3393 214:1114 215:70 216:6695 217:2775 218:1270 219:408 220:1803 221:983 222:664 223:2146 End of report