IPv4 R&E Routing Table Report 23:05 GMT Wed 31 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: 931379 Prefixes after maximum aggregation (per Origin AS): 355929 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455862 Number of IPv4 prefixes with a valid ROA: 439884 Number of IPv4 prefixes with an invalid ROA: 992 Number of IPv4 prefixes with no ROA: 490503 Total ASes present in the Internet Routing Table: 75120 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64649 Origin ASes announcing only one prefix: 26542 Transit ASes present in the Internet Routing Table: 10471 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1061 Number of instances of unregistered ASNs: 1063 Number of 32-bit ASNs allocated by the RIRs: 43515 Number of 32-bit ASNs visible in the Routing Table: 35727 Prefixes from 32-bit ASNs in the Routing Table: 180058 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: 486 Number of addresses announced to Internet: 3043145472 Equivalent to 181 /8s, 98 /16s and 183 /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: 309230 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245270 Total APNIC prefixes after maximum aggregation: 71932 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238220 Unique aggregates announced from the APNIC address blocks: 99844 APNIC Region origin ASes present in the Internet Routing Table: 13856 APNIC Prefixes per ASN: 17.19 APNIC Region origin ASes announcing only one prefix: 4190 APNIC Region transit ASes present in the Internet Routing Table: 1852 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9278 Number of APNIC addresses announced to Internet: 774074112 Equivalent to 46 /8s, 35 /16s and 111 /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: 272645 Total ARIN prefixes after maximum aggregation: 123360 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277389 Unique aggregates announced from the ARIN address blocks: 131913 ARIN Region origin ASes present in the Internet Routing Table: 19039 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1859 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: 4833 Number of ARIN addresses announced to Internet: 1269570304 Equivalent to 75 /8s, 172 /16s and 27 /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: 261608 Total RIPE prefixes after maximum aggregation: 125259 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256248 Unique aggregates announced from the RIPE address blocks: 161055 RIPE Region origin ASes present in the Internet Routing Table: 28513 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12094 RIPE Region transit ASes present in the Internet Routing Table: 3896 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11549 Number of RIPE addresses announced to Internet: 714345728 Equivalent to 42 /8s, 148 /16s and 13 /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: 120399 Total LACNIC prefixes after maximum aggregation: 28610 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119016 Unique aggregates announced from the LACNIC address blocks: 49586 LACNIC Region origin ASes present in the Internet Routing Table: 11039 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2366 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8897 Number of LACNIC addresses announced to Internet: 177151744 Equivalent to 10 /8s, 143 /16s and 31 /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: 30396 Total AfriNIC prefixes after maximum aggregation: 6055 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40020 Unique aggregates announced from the AfriNIC address blocks: 13061 AfriNIC Region origin ASes present in the Internet Routing Table: 1823 AfriNIC Prefixes per ASN: 21.95 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1170 Number of AfriNIC addresses announced to Internet: 107723520 Equivalent to 6 /8s, 107 /16s and 187 /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 9809 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4565 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3873 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3603 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3465 499 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3280 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2685 858 375 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 434 196 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 9565 11243 3356 AMAZON-02, US 11492 4577 304 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3612 3041 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3229 1416 2303 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2919 3721 1420 DNIC-ASBLK-00306-00371, US 396982 2750 3639 392 GOOGLE-CLOUD-PLATFORM, US 7018 2552 23623 1611 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 7544 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3957 3396 132 AKAMAI-ASN1, NL 9009 3281 285 1590 M247, RO 12389 2887 2301 908 ROSTELECOM-AS, RU 8551 2706 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2342 362 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1506 866 581 TCI, IR 8452 1496 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 12301 3366 624 UNINET, MX 10620 3519 496 894 Telmex Colombia S.A., CO 13999 2500 337 641 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1325 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1122 176 420 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1072 117 374 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 24863 1532 389 16 LINKdotNET-AS, EG 24835 1531 545 28 RAYA-AS, EG 36992 1314 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1102 71 57 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 530 82 3 KENET-AS, KE 15399 525 55 53 WANANCHI-, KE 37342 483 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 12301 3366 624 UNINET, MX 9808 9809 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9565 11243 3356 AMAZON-02, US 12479 7544 1698 148 UNI2-AS, ES 7545 5679 784 685 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4577 304 660 CABLEONE, US 18403 4565 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3957 3396 132 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 9809 9758 CHINAMOBILE-CN China Mobile Communications Grou 12479 7544 7396 UNI2-AS, ES 16509 9565 6209 AMAZON-02, US 7545 5679 4994 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4565 4540 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4577 3917 CABLEONE, US 7552 3873 3853 VIETEL-AS-AP Viettel Group, VN 20940 3957 3825 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /11:98 /12:300 /13:576 /14:1193 /15:2067 /16:13364 /17:8109 /18:13630 /19:24645 /20:43149 /21:51162 /22:109903 /23:98668 /24:564441 /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 6639 7544 UNI2-AS, ES 8151 6294 12301 UNINET, MX 11492 3491 4577 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2658 3612 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2182 2706 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2125 3519 Telmex Colombia S.A., CO 30036 2125 2468 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2297 2:1540 3:289 4:5 5:4451 6:163 7:6 8:1494 9:1 11:172 12:1482 13:380 14:2333 15:311 16:203 17:360 18:719 20:352 21:4 22:188 23:6598 24:2704 25:2 27:2544 29:19 31:2558 32:53 34:36 35:121 36:2160 37:4473 38:6069 39:896 40:151 41:4108 42:2207 43:2298 44:327 45:16739 46:4281 47:285 49:1898 50:1893 51:572 52:1593 54:362 55:884 56:5 57:137 58:1935 59:1146 60:1018 61:2610 62:2705 63:1913 64:5518 65:2338 66:4888 67:3052 68:1335 69:4086 70:1191 71:577 72:2916 74:2636 75:1556 76:621 77:2345 78:1838 79:2509 80:2132 81:1880 82:1522 83:1246 84:1629 85:3074 86:771 87:1958 88:1220 89:3960 90:660 91:7929 92:2180 93:2639 94:3591 95:4040 96:1287 97:318 98:1033 99:744 100:95 101:1155 102:3054 103:32456 104:4794 105:596 106:913 107:2756 108:1127 109:4017 110:2138 111:3157 112:2061 113:1721 114:1745 115:1982 116:1956 117:2638 118:2766 119:1943 120:1769 121:1259 122:2632 123:2195 124:1565 125:2805 126:28 128:1449 129:894 130:1075 131:1779 132:821 133:409 134:1704 135:307 136:918 137:1000 138:2767 139:1548 140:1309 141:1345 142:1551 143:1524 144:1006 145:341 146:2000 147:1675 148:2500 149:2464 150:1021 151:1315 152:1971 153:528 154:5655 155:1371 156:2097 157:1452 158:1085 159:2197 160:2604 161:1621 162:3608 163:1675 164:1611 165:2098 166:1060 167:1695 168:3783 169:794 170:4689 171:994 172:3795 173:3000 174:899 175:1215 176:3622 177:4636 178:3512 179:2207 180:2364 181:3654 182:3414 183:2014 184:2281 185:20498 186:4821 187:4405 188:3998 189:3998 190:9344 191:1445 192:10954 193:8966 194:7341 195:5204 196:3088 197:2633 198:5900 199:7089 200:8005 201:6302 202:10154 203:10100 204:4548 205:3696 206:4383 207:3402 208:4100 209:4875 210:4349 211:2510 212:4231 213:3398 214:1107 215:44 216:6802 217:2761 218:1318 219:428 220:1823 221:1020 222:688 223:2198 End of report