IPv4 R&E Routing Table Report 23:05 GMT Tue 02 Jan, 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: 930964 Prefixes after maximum aggregation (per Origin AS): 356372 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456068 Number of IPv4 prefixes with a valid ROA: 433862 Number of IPv4 prefixes with an invalid ROA: 1212 Number of IPv4 prefixes with no ROA: 495890 Total ASes present in the Internet Routing Table: 74992 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64590 Origin ASes announcing only one prefix: 26533 Transit ASes present in the Internet Routing Table: 10402 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 67 Max AS path prepend of ASN (272886) 61 Prefixes from unregistered ASNs in the Routing Table: 992 Number of instances of unregistered ASNs: 994 Number of 32-bit ASNs allocated by the RIRs: 43288 Number of 32-bit ASNs visible in the Routing Table: 35540 Prefixes from 32-bit ASNs in the Routing Table: 178673 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: 476 Number of addresses announced to Internet: 3044378624 Equivalent to 181 /8s, 117 /16s and 136 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309840 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244756 Total APNIC prefixes after maximum aggregation: 71593 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237849 Unique aggregates announced from the APNIC address blocks: 99415 APNIC Region origin ASes present in the Internet Routing Table: 13778 APNIC Prefixes per ASN: 17.26 APNIC Region origin ASes announcing only one prefix: 4125 APNIC Region transit ASes present in the Internet Routing Table: 1842 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9184 Number of APNIC addresses announced to Internet: 770457088 Equivalent to 45 /8s, 236 /16s and 62 /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: 273046 Total ARIN prefixes after maximum aggregation: 124406 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277817 Unique aggregates announced from the ARIN address blocks: 133047 ARIN Region origin ASes present in the Internet Routing Table: 19035 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1842 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4818 Number of ARIN addresses announced to Internet: 1273150464 Equivalent to 75 /8s, 226 /16s and 188 /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: 261665 Total RIPE prefixes after maximum aggregation: 125021 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256225 Unique aggregates announced from the RIPE address blocks: 160943 RIPE Region origin ASes present in the Internet Routing Table: 28481 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 3868 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11484 Number of RIPE addresses announced to Internet: 714399232 Equivalent to 42 /8s, 148 /16s and 222 /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: 120003 Total LACNIC prefixes after maximum aggregation: 28622 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118669 Unique aggregates announced from the LACNIC address blocks: 49458 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2351 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 67 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8897 Number of LACNIC addresses announced to Internet: 178313216 Equivalent to 10 /8s, 160 /16s and 216 /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: 30502 Total AfriNIC prefixes after maximum aggregation: 6026 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39928 Unique aggregates announced from the AfriNIC address blocks: 12806 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 107779328 Equivalent to 6 /8s, 108 /16s and 149 /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 9776 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4541 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3834 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3600 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3415 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3268 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2662 857 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 442 200 TATACOMM-AS TATA Communications formerl 45090 2149 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 9446 11197 3357 AMAZON-02, US 11492 4563 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3490 3033 287 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3185 1411 2317 AKAMAI-AS, US 749 3162 54929 2414 DNIC-AS-00749, US 367 2972 3842 1421 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2505 23622 1574 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 7563 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4001 3397 140 AKAMAI-ASN1, NL 9009 3489 300 1630 M247, RO 8551 3147 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2912 2301 912 ROSTELECOM-AS, RU 34984 2324 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 577 TCI, IR 8452 1448 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 12175 3385 596 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2494 339 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1108 178 423 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 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 1548 545 28 RAYA-AS, EG 24863 1531 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1071 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 503 53 42 WANANCHI-, KE 36914 502 82 3 KENET-AS, KE 37342 481 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 12175 3385 596 UNINET, MX 9808 9776 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9446 11197 3357 AMAZON-02, US 12479 7563 1714 146 UNI2-AS, ES 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4541 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 4001 3397 140 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 9776 9726 CHINAMOBILE-CN China Mobile Communications Grou 12479 7563 7417 UNI2-AS, ES 16509 9446 6089 AMAZON-02, US 7545 5677 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4541 4516 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3834 3814 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 8.10.69.0/24 174 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 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 23.176.160.0/24 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 /10:36 /11:99 /12:298 /13:577 /14:1191 /15:2057 /16:13393 /17:8156 /18:13638 /19:24743 /20:43137 /21:51255 /22:109921 /23:99242 /24:563183 /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 6651 7563 UNI2-AS, ES 8151 6171 12175 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2624 3147 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2554 3490 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2126 3523 Telmex Colombia S.A., CO 30036 2118 2461 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2282 2:1406 3:281 4:5 5:4406 6:163 7:6 8:1494 9:1 11:172 12:1486 13:376 14:2329 15:309 16:206 17:360 18:709 20:344 21:4 22:188 23:6560 24:2660 25:2 27:2481 29:19 31:2541 32:53 34:37 35:118 36:2134 37:4476 38:5845 39:884 40:147 41:4122 42:2196 43:2288 44:324 45:16654 46:4287 47:285 49:1895 50:1878 51:574 52:1592 54:368 55:891 56:5 57:127 58:1857 59:1109 60:1012 61:2587 62:2749 63:1905 64:5499 65:2344 66:4975 67:3037 68:1336 69:4051 70:1170 71:591 72:2916 74:2633 75:1547 76:622 77:2337 78:1824 79:2909 80:2112 81:1871 82:1525 83:1320 84:1607 85:3047 86:789 87:1964 88:1225 89:3961 90:656 91:7895 92:2174 93:2623 94:3581 95:3998 96:1293 97:315 98:1014 99:737 100:94 101:1156 102:3009 103:32440 104:4775 105:600 106:968 107:2748 108:1128 109:4051 110:2124 111:3154 112:2077 113:1714 114:1742 115:2007 116:1956 117:2635 118:2773 119:1945 120:1770 121:1252 122:2635 123:2173 124:1594 125:2773 128:1412 129:900 130:1067 131:1972 132:824 133:411 134:1700 135:304 136:912 137:992 138:2714 139:1553 140:1344 141:1337 142:1534 143:1525 144:998 145:338 146:2016 147:1632 148:2490 149:2396 150:1019 151:1247 152:1960 153:528 154:5505 155:1371 156:2099 157:1372 158:1081 159:2199 160:2621 161:1609 162:3590 163:1665 164:1619 165:2098 166:1067 167:1737 168:3825 169:792 170:4712 171:976 172:3777 173:3001 174:890 175:1215 176:3582 177:4698 178:3524 179:2221 180:2354 181:3640 182:3409 183:2023 184:2268 185:20456 186:4788 187:4340 188:4012 189:3952 190:9328 191:1501 192:10990 193:8966 194:7346 195:5221 196:3160 197:2621 198:5909 199:6856 200:8043 201:6248 202:10175 203:10032 204:4570 205:3669 206:4399 207:3392 208:4074 209:4913 210:4343 211:2499 212:4214 213:3379 214:1116 215:50 216:6776 217:2771 218:1295 219:413 220:1822 221:1020 222:689 223:2190 End of report