IPv4 R&E Routing Table Report 23:05 GMT Thu 14 Dec, 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: 929188 Prefixes after maximum aggregation (per Origin AS): 356045 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455274 Number of IPv4 prefixes with a valid ROA: 433445 Number of IPv4 prefixes with an invalid ROA: 1255 Number of IPv4 prefixes with no ROA: 494488 Total ASes present in the Internet Routing Table: 74975 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64448 Origin ASes announcing only one prefix: 26547 Transit ASes present in the Internet Routing Table: 10527 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 969 Number of instances of unregistered ASNs: 971 Number of 32-bit ASNs allocated by the RIRs: 43225 Number of 32-bit ASNs visible in the Routing Table: 35489 Prefixes from 32-bit ASNs in the Routing Table: 177978 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: 529 Number of addresses announced to Internet: 3046792192 Equivalent to 181 /8s, 154 /16s and 92 /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: 309607 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244257 Total APNIC prefixes after maximum aggregation: 71448 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237408 Unique aggregates announced from the APNIC address blocks: 99420 APNIC Region origin ASes present in the Internet Routing Table: 13759 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4142 APNIC Region transit ASes present in the Internet Routing Table: 1854 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9154 Number of APNIC addresses announced to Internet: 770188032 Equivalent to 45 /8s, 232 /16s and 35 /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: 272311 Total ARIN prefixes after maximum aggregation: 124411 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277024 Unique aggregates announced from the ARIN address blocks: 132537 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 4.5 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: 1275612160 Equivalent to 76 /8s, 8 /16s and 76 /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: 261778 Total RIPE prefixes after maximum aggregation: 124902 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256290 Unique aggregates announced from the RIPE address blocks: 160686 RIPE Region origin ASes present in the Internet Routing Table: 28496 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3932 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11482 Number of RIPE addresses announced to Internet: 714691840 Equivalent to 42 /8s, 153 /16s and 85 /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: 119835 Total LACNIC prefixes after maximum aggregation: 28591 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118510 Unique aggregates announced from the LACNIC address blocks: 49359 LACNIC Region origin ASes present in the Internet Routing Table: 11037 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2357 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8884 Number of LACNIC addresses announced to Internet: 178200576 Equivalent to 10 /8s, 159 /16s and 32 /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: 30038 Total AfriNIC prefixes after maximum aggregation: 6009 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39427 Unique aggregates announced from the AfriNIC address blocks: 12840 AfriNIC Region origin ASes present in the Internet Routing Table: 1806 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 339 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1151 Number of AfriNIC addresses announced to Internet: 107702528 Equivalent to 6 /8s, 107 /16s and 105 /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 9762 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5659 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4436 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3641 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3390 494 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3266 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2643 854 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 588 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 199 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 9371 11174 3395 AMAZON-02, US 11492 4416 293 836 CABLEONE, US 7155 4166 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3498 3038 296 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3166 1407 2317 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2958 3841 1411 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2576 23627 1594 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 7590 1714 146 UNI2-AS, ES 39891 4502 267 58 ALJAWWALSTC-AS, SA 20940 3990 3397 140 AKAMAI-ASN1, NL 9009 3492 300 1625 M247, RO 8551 3353 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2898 2300 909 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1539 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 12144 3379 606 UNINET, MX 10620 3518 496 885 Telmex Colombia S.A., CO 13999 2489 338 635 Mega Cable, S.A. de C.V., MX 11830 2005 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 1087 176 426 Techtel LMDS Comunicaciones Interactiva 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1047 2502 52 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 1596 389 16 LINKdotNET-AS, EG 24835 1522 505 26 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1047 67 52 ORANGE-COTE-IVOIRE, CI 36935 826 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 522 55 51 WANANCHI-, KE 36914 519 82 3 KENET-AS, KE 24757 482 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 12144 3379 606 UNINET, MX 9808 9762 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9371 11174 3395 AMAZON-02, US 12479 7590 1714 146 UNI2-AS, ES 7545 5659 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 267 58 ALJAWWALSTC-AS, SA 18403 4436 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4416 293 836 CABLEONE, US 7155 4166 288 96 VIASAT-SP-BACKBONE, US 20940 3990 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 9762 9719 CHINAMOBILE-CN China Mobile Communications Grou 12479 7590 7444 UNI2-AS, ES 16509 9371 5976 AMAZON-02, US 7545 5659 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4444 ALJAWWALSTC-AS, SA 18403 4436 4411 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4070 VIASAT-SP-BACKBONE, US 20940 3990 3850 AKAMAI-ASN1, NL 7552 3641 3621 VIETEL-AS-AP Viettel Group, VN 11492 4416 3580 CABLEONE, US 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 /10:37 /11:99 /12:298 /13:578 /14:1190 /15:2049 /16:13393 /17:8161 /18:13638 /19:24723 /20:43124 /21:51123 /22:109965 /23:99071 /24:561701 /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 6676 7590 UNI2-AS, ES 8151 6150 12144 UNINET, MX 11492 3376 4416 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3320 4502 ALJAWWALSTC-AS, SA 7155 3112 4166 VIASAT-SP-BACKBONE, US 8551 2830 3353 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2554 3498 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3518 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) ---------------------------------------------- 1:2244 2:1412 3:279 4:5 5:4390 6:162 7:6 8:1496 9:1 11:172 12:1488 13:369 14:2321 15:305 16:207 17:360 18:700 20:342 21:4 22:188 23:6573 24:2575 25:2 27:2561 29:19 31:2538 32:53 34:36 35:116 36:2093 37:4481 38:5719 39:881 40:148 41:4091 42:2144 43:2298 44:329 45:16676 46:4352 47:286 49:1897 50:1880 51:509 52:1595 54:386 55:883 56:5 57:126 58:1853 59:1115 60:1009 61:2593 62:2739 63:1905 64:5486 65:2350 66:4959 67:3040 68:1335 69:4050 70:1171 71:608 72:2902 74:2628 75:1551 76:625 77:2334 78:1820 79:3000 80:2111 81:1871 82:1521 83:1322 84:1604 85:2967 86:786 87:1974 88:1229 89:3927 90:648 91:7880 92:2180 93:2637 94:3563 95:4000 96:1269 97:316 98:1017 99:745 100:95 101:1148 102:2982 103:32469 104:4781 105:596 106:976 107:2759 108:1141 109:4159 110:2133 111:3148 112:2073 113:1706 114:1747 115:2003 116:1929 117:2572 118:2754 119:1951 120:1769 121:1237 122:2640 123:2170 124:1598 125:2748 128:1426 129:868 130:1057 131:1980 132:825 133:411 134:1719 135:295 136:910 137:984 138:2706 139:1550 140:1325 141:1359 142:1532 143:1538 144:1000 145:334 146:1996 147:1632 148:2485 149:2391 150:1012 151:1314 152:1809 153:528 154:5343 155:1376 156:2099 157:1369 158:1087 159:2187 160:2614 161:1610 162:3586 163:1629 164:1623 165:1864 166:1073 167:1738 168:3831 169:787 170:4693 171:970 172:3761 173:2993 174:898 175:1213 176:3588 177:4739 178:3518 179:2224 180:2331 181:3600 182:3406 183:2019 184:2267 185:20442 186:4781 187:4303 188:3985 189:3954 190:9304 191:1492 192:10965 193:8975 194:7328 195:5214 196:3131 197:2605 198:5916 199:6743 200:7986 201:6245 202:10201 203:10040 204:4571 205:3642 206:4397 207:3387 208:4076 209:4912 210:4291 211:2483 212:4207 213:3364 214:1120 215:49 216:6769 217:2768 218:1289 219:413 220:1798 221:1016 222:702 223:2188 End of report