IPv4 R&E Routing Table Report 23:05 GMT Sat 20 Apr, 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: 939046 Prefixes after maximum aggregation (per Origin AS): 359365 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 460173 Number of IPv4 prefixes with a valid ROA: 463350 Number of IPv4 prefixes with an invalid ROA: 1059 Number of IPv4 prefixes with no ROA: 474637 Total ASes present in the Internet Routing Table: 75456 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64912 Origin ASes announcing only one prefix: 26556 Transit ASes present in the Internet Routing Table: 10544 Transit-only ASes present in the Internet Routing Table: 491 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: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1041 Number of instances of unregistered ASNs: 1043 Number of 32-bit ASNs allocated by the RIRs: 44213 Number of 32-bit ASNs visible in the Routing Table: 36169 Prefixes from 32-bit ASNs in the Routing Table: 184373 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3027936512 Equivalent to 180 /8s, 122 /16s and 165 /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: 309797 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247838 Total APNIC prefixes after maximum aggregation: 72852 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240087 Unique aggregates announced from the APNIC address blocks: 100356 APNIC Region origin ASes present in the Internet Routing Table: 13994 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4239 APNIC Region transit ASes present in the Internet Routing Table: 1859 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9441 Number of APNIC addresses announced to Internet: 761306880 Equivalent to 45 /8s, 96 /16s and 159 /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: 273996 Total ARIN prefixes after maximum aggregation: 124311 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278709 Unique aggregates announced from the ARIN address blocks: 133311 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1906 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: 4879 Number of ARIN addresses announced to Internet: 1268858880 Equivalent to 75 /8s, 161 /16s and 64 /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, 393216-402332 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: 263860 Total RIPE prefixes after maximum aggregation: 126502 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258669 Unique aggregates announced from the RIPE address blocks: 163363 RIPE Region origin ASes present in the Internet Routing Table: 28580 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3915 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11717 Number of RIPE addresses announced to Internet: 714558976 Equivalent to 42 /8s, 151 /16s and 78 /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: 121370 Total LACNIC prefixes after maximum aggregation: 28860 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119598 Unique aggregates announced from the LACNIC address blocks: 49524 LACNIC Region origin ASes present in the Internet Routing Table: 11075 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2603 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: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8946 Number of LACNIC addresses announced to Internet: 177062656 Equivalent to 10 /8s, 141 /16s and 195 /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: 30941 Total AfriNIC prefixes after maximum aggregation: 6156 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 41403 Unique aggregates announced from the AfriNIC address blocks: 13160 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.77 AfriNIC Region origin ASes announcing only one prefix: 640 AfriNIC Region transit ASes present in the Internet Routing Table: 350 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: 1186 Number of AfriNIC addresses announced to Internet: 105837056 Equivalent to 6 /8s, 78 /16s and 242 /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 9870 8743 63 CHINAMOBILE-CN China Mobile Communicati 7545 5665 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4583 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3882 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3635 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3599 499 258 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2782 864 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 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 9835 11364 3470 AMAZON-02, US 11492 4602 305 608 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3608 1320 75 SHAW, CA 22773 3504 3045 231 ASN-CXA-ALL-CCI-22773-RDC, US 174 3419 6628 826 COGENT-174, US 749 3201 54912 2453 DNIC-AS-00749, US 16625 3082 1308 2197 AKAMAI-AS, US 367 2834 3548 1354 DNIC-ASBLK-00306-00371, US 7018 2778 23648 1781 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 7711 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3840 3395 126 AKAMAI-ASN1, NL 9009 3285 285 1607 M247, RO 12389 2708 2252 798 ROSTELECOM-AS, RU 8551 2633 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1552 1852 14 TE-AS TE-AS, EG 44477 1539 101 730 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 12418 3319 489 UNINET, MX 10620 3522 495 906 Telmex Colombia S.A., CO 13999 2530 350 660 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1340 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1314 788 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1156 175 429 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1103 369 22 Telefonica del Peru S.A.A., PE 22884 1067 114 386 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 1549 545 28 RAYA-AS, EG 24863 1501 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1197 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 530 56 54 WANANCHI-, KE 36914 472 82 3 KENET-AS, KE 24757 436 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 12418 3319 489 UNINET, MX 9808 9870 8743 63 CHINAMOBILE-CN China Mobile Communicati 16509 9835 11364 3470 AMAZON-02, US 12479 7711 1709 144 UNI2-AS, ES 7545 5665 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4602 305 608 CABLEONE, US 18403 4583 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3882 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 9870 9807 CHINAMOBILE-CN China Mobile Communications Grou 12479 7711 7567 UNI2-AS, ES 16509 9835 6365 AMAZON-02, US 7545 5665 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4583 4560 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4602 3994 CABLEONE, US 7552 3882 3862 VIETEL-AS-AP Viettel Group, VN 20940 3840 3714 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 3356 LEVEL3, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /13:579 /14:1194 /15:2063 /16:13226 /17:8128 /18:13560 /19:24497 /20:42968 /21:50913 /22:110358 /23:98499 /24:572594 /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 6826 7711 UNI2-AS, ES 8151 6438 12418 UNINET, MX 11492 3515 4602 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3406 3608 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2602 3504 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2135 3522 Telmex Colombia S.A., CO 8551 2109 2633 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) ---------------------------------------------- 1:2297 2:1493 3:326 4:6 5:4521 6:163 7:6 8:1506 9:1 11:172 12:1459 13:367 14:2357 15:317 16:209 17:367 18:765 20:361 21:4 22:188 23:6657 24:2707 25:2 27:2589 29:19 31:2685 32:45 34:63 35:128 36:2304 37:4472 38:7268 39:891 40:126 41:4095 42:2185 43:2348 44:314 45:16959 46:4428 47:305 49:1897 50:1922 51:573 52:1584 54:311 55:926 56:5 57:167 58:2016 59:1186 60:1031 61:2616 62:2687 63:1888 64:5538 65:2354 66:4675 67:2998 68:1313 69:4118 70:1189 71:578 72:2889 74:2583 75:1551 76:606 77:2430 78:1844 79:2494 80:2185 81:1961 82:1564 83:1316 84:1633 85:3123 86:838 87:1974 88:1237 89:4065 90:619 91:8095 92:2204 93:2661 94:3620 95:4133 96:1293 97:314 98:1046 99:742 100:78 101:1173 102:3130 103:32467 104:4842 105:654 106:939 107:2773 108:1104 109:4096 110:2143 111:3246 112:2060 113:1807 114:1772 115:2037 116:1862 117:2624 118:2839 119:1969 120:1780 121:1264 122:2648 123:2207 124:1607 125:2849 126:32 128:1430 129:926 130:1115 131:1845 132:796 133:410 134:1717 135:316 136:937 137:1026 138:2825 139:1534 140:1385 141:1360 142:1585 143:1484 144:1003 145:344 146:2064 147:1845 148:2494 149:2566 150:1034 151:1341 152:2022 153:524 154:6476 155:1449 156:2473 157:1721 158:1117 159:2320 160:2647 161:1625 162:3571 163:1687 164:1633 165:2113 166:1167 167:1784 168:3887 169:794 170:4802 171:998 172:3805 173:3028 174:897 175:1200 176:3653 177:4602 178:3570 179:2248 180:2360 181:3689 182:3384 183:2046 184:2272 185:20686 186:5033 187:4455 188:4052 189:4147 190:9348 191:1450 192:10931 193:9045 194:7445 195:5259 196:3133 197:2462 198:5884 199:7646 200:7993 201:6327 202:10194 203:10126 204:4539 205:3717 206:4442 207:3378 208:4133 209:5017 210:4391 211:2484 212:4275 213:3422 214:1057 215:49 216:6765 217:2823 218:1311 219:405 220:1818 221:1033 222:697 223:2207 End of report