IPv4 R&E Routing Table Report 23:05 GMT Fri 05 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: 930548 Prefixes after maximum aggregation (per Origin AS): 356280 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456093 Number of IPv4 prefixes with a valid ROA: 433082 Number of IPv4 prefixes with an invalid ROA: 2939 Number of IPv4 prefixes with no ROA: 494527 Total ASes present in the Internet Routing Table: 74999 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64592 Origin ASes announcing only one prefix: 26542 Transit ASes present in the Internet Routing Table: 10407 Transit-only ASes present in the Internet Routing Table: 458 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: 105 Max AS path prepend of ASN (149381) 100 Prefixes from unregistered ASNs in the Routing Table: 1070 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 43313 Number of 32-bit ASNs visible in the Routing Table: 35552 Prefixes from 32-bit ASNs in the Routing Table: 178536 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: 3047337984 Equivalent to 181 /8s, 162 /16s and 176 /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: 309574 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244656 Total APNIC prefixes after maximum aggregation: 71597 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237738 Unique aggregates announced from the APNIC address blocks: 99542 APNIC Region origin ASes present in the Internet Routing Table: 13779 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4128 APNIC Region transit ASes present in the Internet Routing Table: 1850 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 105 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9184 Number of APNIC addresses announced to Internet: 774110464 Equivalent to 46 /8s, 35 /16s and 253 /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: 273137 Total ARIN prefixes after maximum aggregation: 124320 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277848 Unique aggregates announced from the ARIN address blocks: 132931 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: 6970 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: 4822 Number of ARIN addresses announced to Internet: 1273147136 Equivalent to 75 /8s, 226 /16s and 175 /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: 261638 Total RIPE prefixes after maximum aggregation: 124996 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256214 Unique aggregates announced from the RIPE address blocks: 160931 RIPE Region origin ASes present in the Internet Routing Table: 28475 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3873 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: 11489 Number of RIPE addresses announced to Internet: 714267904 Equivalent to 42 /8s, 146 /16s and 221 /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: 119566 Total LACNIC prefixes after maximum aggregation: 28633 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118309 Unique aggregates announced from the LACNIC address blocks: 49470 LACNIC Region origin ASes present in the Internet Routing Table: 11049 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2346 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: 8898 Number of LACNIC addresses announced to Internet: 177697792 Equivalent to 10 /8s, 151 /16s and 116 /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: 30481 Total AfriNIC prefixes after maximum aggregation: 6027 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39963 Unique aggregates announced from the AfriNIC address blocks: 12824 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 21.99 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 343 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: 1159 Number of AfriNIC addresses announced to Internet: 107796992 Equivalent to 6 /8s, 108 /16s and 218 /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 9787 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3825 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3416 498 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2665 857 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 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 9441 11196 3357 AMAZON-02, US 11492 4564 303 677 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 70 SHAW, CA 22773 3504 3037 291 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3206 1421 2326 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2955 3835 1415 DNIC-ASBLK-00306-00371, US 396982 2743 3639 389 GOOGLE-CLOUD-PLATFORM, US 7018 2507 23623 1577 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 7508 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4001 3397 140 AKAMAI-ASN1, NL 9009 3468 298 1624 M247, RO 8551 3145 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 1471 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 12189 3385 596 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2496 340 638 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 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1109 178 419 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 1543 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 1073 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 516 53 42 WANANCHI-, KE 36914 514 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 12189 3385 596 UNINET, MX 9808 9787 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9441 11196 3357 AMAZON-02, US 12479 7508 1714 146 UNI2-AS, ES 7545 5677 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4564 303 677 CABLEONE, US 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 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 9787 9737 CHINAMOBILE-CN China Mobile Communications Grou 12479 7508 7362 UNI2-AS, ES 16509 9441 6084 AMAZON-02, US 7545 5677 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4552 4527 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4564 3887 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3825 3805 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 23.169.88.0/24 Origin: 44658 CRAB-AS, US 23.169.88.0/24 Transit: 21738 ROZINT, 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 /10:36 /11:99 /12:301 /13:577 /14:1192 /15:2060 /16:13388 /17:8146 /18:13644 /19:24699 /20:43171 /21:51141 /22:109896 /23:99226 /24:562934 /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 6605 7508 UNI2-AS, ES 8151 6185 12189 UNINET, MX 11492 3478 4564 CABLEONE, US 6327 3372 3567 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 8551 2622 3145 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2555 3504 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2126 3523 Telmex Colombia S.A., CO 30036 2122 2466 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 2:1408 3:281 4:5 5:4410 6:165 7:6 8:1493 9:1 11:172 12:1487 13:374 14:2327 15:309 16:206 17:361 18:714 20:345 21:4 22:188 23:6568 24:2667 25:2 27:2503 29:19 31:2534 32:53 34:36 35:118 36:2147 37:4478 38:5826 39:884 40:147 41:4134 42:2204 43:2291 44:325 45:16622 46:4311 47:285 49:1896 50:1880 51:574 52:1591 54:368 55:893 56:5 57:127 58:1855 59:1108 60:1012 61:2586 62:2750 63:1901 64:5491 65:2344 66:4956 67:3038 68:1337 69:4078 70:1178 71:574 72:2917 74:2634 75:1559 76:622 77:2338 78:1826 79:2893 80:2114 81:1855 82:1524 83:1319 84:1605 85:3029 86:779 87:1971 88:1227 89:3942 90:656 91:7898 92:2179 93:2628 94:3583 95:4001 96:1287 97:315 98:1013 99:744 100:94 101:1154 102:3017 103:32474 104:4767 105:600 106:973 107:2736 108:1121 109:4064 110:2135 111:3162 112:2080 113:1723 114:1743 115:2006 116:1959 117:2634 118:2775 119:1946 120:1767 121:1250 122:2632 123:2173 124:1593 125:2766 128:1403 129:900 130:1065 131:1968 132:821 133:411 134:1705 135:304 136:913 137:994 138:2699 139:1552 140:1345 141:1338 142:1538 143:1522 144:998 145:335 146:1998 147:1637 148:2506 149:2407 150:1018 151:1308 152:1960 153:529 154:5502 155:1377 156:2095 157:1381 158:1081 159:2200 160:2618 161:1611 162:3591 163:1662 164:1614 165:2096 166:1063 167:1688 168:3812 169:792 170:4696 171:973 172:3779 173:3001 174:891 175:1215 176:3577 177:4598 178:3524 179:2190 180:2353 181:3649 182:3412 183:2021 184:2269 185:20466 186:4777 187:4313 188:3987 189:3949 190:9323 191:1469 192:10995 193:8943 194:7355 195:5212 196:3168 197:2621 198:5886 199:6886 200:8014 201:6255 202:10173 203:10042 204:4576 205:3665 206:4404 207:3378 208:4074 209:4916 210:4342 211:2496 212:4219 213:3382 214:1118 215:50 216:6771 217:2749 218:1295 219:413 220:1818 221:1019 222:687 223:2187 End of report