IPv4 R&E Routing Table Report 23:05 GMT Sat 23 Mar, 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: 935342 Prefixes after maximum aggregation (per Origin AS): 357776 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458238 Number of IPv4 prefixes with a valid ROA: 455563 Number of IPv4 prefixes with an invalid ROA: 999 Number of IPv4 prefixes with no ROA: 478780 Total ASes present in the Internet Routing Table: 75326 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64713 Origin ASes announcing only one prefix: 26546 Transit ASes present in the Internet Routing Table: 10613 Transit-only ASes present in the Internet Routing Table: 484 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1065 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 43893 Number of 32-bit ASNs visible in the Routing Table: 35993 Prefixes from 32-bit ASNs in the Routing Table: 182243 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: 589 Number of addresses announced to Internet: 3027212544 Equivalent to 180 /8s, 111 /16s and 153 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 308848 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246581 Total APNIC prefixes after maximum aggregation: 72245 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239291 Unique aggregates announced from the APNIC address blocks: 99948 APNIC Region origin ASes present in the Internet Routing Table: 13955 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4216 APNIC Region transit ASes present in the Internet Routing Table: 1857 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9389 Number of APNIC addresses announced to Internet: 760292864 Equivalent to 45 /8s, 81 /16s and 38 /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: 273140 Total ARIN prefixes after maximum aggregation: 123729 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277779 Unique aggregates announced from the ARIN address blocks: 132526 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1913 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4859 Number of ARIN addresses announced to Internet: 1269079552 Equivalent to 75 /8s, 164 /16s and 158 /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: 262846 Total RIPE prefixes after maximum aggregation: 126191 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257957 Unique aggregates announced from the RIPE address blocks: 162755 RIPE Region origin ASes present in the Internet Routing Table: 28539 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12096 RIPE Region transit ASes present in the Internet Routing Table: 3950 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11654 Number of RIPE addresses announced to Internet: 714796544 Equivalent to 42 /8s, 154 /16s and 238 /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: 121053 Total LACNIC prefixes after maximum aggregation: 28784 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119423 Unique aggregates announced from the LACNIC address blocks: 49555 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2620 LACNIC Region transit ASes present in the Internet Routing Table: 2378 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8908 Number of LACNIC addresses announced to Internet: 177109504 Equivalent to 10 /8s, 142 /16s and 122 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30657 Total AfriNIC prefixes after maximum aggregation: 6118 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40303 Unique aggregates announced from the AfriNIC address blocks: 12981 AfriNIC Region origin ASes present in the Internet Routing Table: 1813 AfriNIC Prefixes per ASN: 22.23 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1183 Number of AfriNIC addresses announced to Internet: 105622528 Equivalent to 6 /8s, 75 /16s and 172 /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 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3607 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3522 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2194 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 9713 11352 3431 AMAZON-02, US 11492 4593 305 622 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3603 1320 75 SHAW, CA 22773 3597 3060 292 ASN-CXA-ALL-CCI-22773-RDC, US 174 3356 6650 688 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3141 1346 2242 AKAMAI-AS, US 367 2917 3629 1385 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 GOOGLE-CLOUD-PLATFORM, 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 7701 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3843 3395 125 AKAMAI-ASN1, NL 9009 3266 283 1597 M247, RO 12389 2912 2304 905 ROSTELECOM-AS, RU 8551 2649 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1524 1852 14 TE-AS TE-AS, EG 44477 1498 98 710 STARK-INDUSTRIES, GB 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 12354 3321 494 UNINET, MX 10620 3526 497 892 Telmex Colombia S.A., CO 13999 2513 342 658 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1065 113 379 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 1504 389 20 LINKdotNET-AS, EG 36992 1368 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1203 76 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 539 56 54 WANANCHI-, KE 36914 482 82 3 KENET-AS, KE 24757 427 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 12354 3321 494 UNINET, MX 9808 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9713 11352 3431 AMAZON-02, US 12479 7701 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4593 305 622 CABLEONE, US 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9849 9788 CHINAMOBILE-CN China Mobile Communications Grou 12479 7701 7554 UNI2-AS, ES 16509 9713 6282 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4588 4563 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4593 3971 CABLEONE, US 7552 3854 3834 VIETEL-AS-AP Viettel Group, VN 20940 3843 3718 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 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 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 23.160.201.0/24 Origin: 21738 ROZINT, US 23.160.201.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.174.120.0/24 Origin: 29774 VSIX-, FR 23.174.120.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /11:95 /12:298 /13:578 /14:1191 /15:2062 /16:13233 /17:8115 /18:13570 /19:24515 /20:43129 /21:50925 /22:110070 /23:98210 /24:569277 /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 6815 7701 UNI2-AS, ES 8151 6364 12354 UNINET, MX 11492 3506 4593 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3603 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2643 3597 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2125 2649 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2271 2:1471 3:318 4:6 5:4514 6:162 7:6 8:1497 9:1 11:172 12:1463 13:374 14:2364 15:318 16:210 17:367 18:749 20:355 21:4 22:188 23:6607 24:2703 25:2 27:2622 29:19 31:2622 32:46 34:61 35:123 36:2239 37:4482 38:7111 39:894 40:125 41:4067 42:2205 43:2316 44:313 45:16853 46:4383 47:296 49:1907 50:1896 51:572 52:1579 54:307 55:973 56:5 57:157 58:1975 59:1125 60:1025 61:2608 62:2702 63:1907 64:5528 65:2318 66:4679 67:3063 68:1333 69:4072 70:1196 71:574 72:2896 74:2577 75:1550 76:624 77:2417 78:1839 79:2479 80:2162 81:1933 82:1512 83:1284 84:1638 85:3081 86:826 87:2013 88:1238 89:4039 90:686 91:8015 92:2200 93:2643 94:3649 95:4148 96:1302 97:312 98:1037 99:743 100:92 101:1167 102:3062 103:32409 104:4793 105:633 106:930 107:2756 108:1109 109:4059 110:2136 111:3206 112:2062 113:1763 114:1774 115:2000 116:1870 117:2618 118:2839 119:1959 120:1787 121:1272 122:2682 123:2194 124:1604 125:2839 126:32 128:1423 129:910 130:1083 131:1818 132:798 133:410 134:1731 135:314 136:943 137:1027 138:2802 139:1548 140:1375 141:1363 142:1572 143:1486 144:1010 145:345 146:2023 147:1722 148:2486 149:2569 150:1034 151:1337 152:1970 153:523 154:5902 155:1378 156:2222 157:1629 158:1078 159:2255 160:2590 161:1635 162:3590 163:1711 164:1620 165:2123 166:1061 167:1761 168:3914 169:787 170:4688 171:1001 172:3821 173:3042 174:904 175:1198 176:3667 177:4582 178:3581 179:2228 180:2365 181:3679 182:3362 183:2037 184:2263 185:20609 186:4917 187:4444 188:4050 189:4104 190:9328 191:1471 192:10970 193:9038 194:7444 195:5244 196:3147 197:2390 198:5895 199:7517 200:7979 201:6320 202:10215 203:10124 204:4547 205:3711 206:4443 207:3365 208:4120 209:4994 210:4391 211:2484 212:4278 213:3377 214:1086 215:50 216:6757 217:2815 218:1311 219:406 220:1820 221:1029 222:693 223:2208 End of report