IPv4 R&E Routing Table Report 23:05 GMT Fri 12 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: 938683 Prefixes after maximum aggregation (per Origin AS): 358975 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459795 Number of IPv4 prefixes with a valid ROA: 461431 Number of IPv4 prefixes with an invalid ROA: 1468 Number of IPv4 prefixes with no ROA: 475784 Total ASes present in the Internet Routing Table: 75448 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64794 Origin ASes announcing only one prefix: 26566 Transit ASes present in the Internet Routing Table: 10654 Transit-only ASes present in the Internet Routing Table: 489 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1088 Number of instances of unregistered ASNs: 1091 Number of 32-bit ASNs allocated by the RIRs: 44104 Number of 32-bit ASNs visible in the Routing Table: 36138 Prefixes from 32-bit ASNs in the Routing Table: 184020 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 599 Number of addresses announced to Internet: 3027398144 Equivalent to 180 /8s, 114 /16s and 110 /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: 310051 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247308 Total APNIC prefixes after maximum aggregation: 72645 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 239847 Unique aggregates announced from the APNIC address blocks: 100156 APNIC Region origin ASes present in the Internet Routing Table: 13979 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4222 APNIC Region transit ASes present in the Internet Routing Table: 1861 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: 9419 Number of APNIC addresses announced to Internet: 760004352 Equivalent to 45 /8s, 76 /16s and 191 /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: 273822 Total ARIN prefixes after maximum aggregation: 124169 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278385 Unique aggregates announced from the ARIN address blocks: 133283 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6958 ARIN Region transit ASes present in the Internet Routing Table: 1916 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: 4864 Number of ARIN addresses announced to Internet: 1269187072 Equivalent to 75 /8s, 166 /16s and 66 /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: 263874 Total RIPE prefixes after maximum aggregation: 126498 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258716 Unique aggregates announced from the RIPE address blocks: 163222 RIPE Region origin ASes present in the Internet Routing Table: 28593 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12129 RIPE Region transit ASes present in the Internet Routing Table: 3963 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11720 Number of RIPE addresses announced to Internet: 714735104 Equivalent to 42 /8s, 153 /16s and 254 /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: 121677 Total LACNIC prefixes after maximum aggregation: 28820 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119958 Unique aggregates announced from the LACNIC address blocks: 49517 LACNIC Region origin ASes present in the Internet Routing Table: 11078 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2612 LACNIC Region transit ASes present in the Internet Routing Table: 2395 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8947 Number of LACNIC addresses announced to Internet: 177232896 Equivalent to 10 /8s, 144 /16s and 92 /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: 30914 Total AfriNIC prefixes after maximum aggregation: 6131 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41178 Unique aggregates announced from the AfriNIC address blocks: 13139 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 22.66 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 348 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1188 Number of AfriNIC addresses announced to Internet: 105919488 Equivalent to 6 /8s, 80 /16s and 52 /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 9839 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4631 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3865 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3640 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3579 498 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2774 861 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2201 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 9853 11371 3455 AMAZON-02, US 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3516 3045 230 ASN-CXA-ALL-CCI-22773-RDC, US 174 3306 6630 813 COGENT-174, US 749 3201 54912 2453 DNIC-AS-00749, US 16625 3096 1317 2212 AKAMAI-AS, US 367 2809 3547 1336 DNIC-ASBLK-00306-00371, US 396982 2763 3641 413 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 7711 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3850 3395 126 AKAMAI-ASN1, NL 9009 3275 284 1599 M247, RO 12389 2898 2270 897 ROSTELECOM-AS, RU 8551 2636 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1529 1852 14 TE-AS TE-AS, EG 212238 1508 108 1094 CDNEXT, 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 12419 3322 493 UNINET, MX 10620 3532 497 886 Telmex Colombia S.A., CO 13999 2524 347 655 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2315 247 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1153 177 429 Techtel LMDS Comunicaciones Interactiva 6503 1150 346 478 Axtel, S.A.B. de C.V., MX 6147 1081 369 22 Telefonica del Peru S.A.A., PE 22884 1072 114 373 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 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 553 1861 34 IAM-AS, MA 15399 528 55 55 WANANCHI-, KE 36914 476 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 12419 3322 493 UNINET, MX 16509 9853 11371 3455 AMAZON-02, US 9808 9839 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7711 1709 144 UNI2-AS, ES 7545 5660 777 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4631 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4602 305 605 CABLEONE, US 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3865 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 9839 9776 CHINAMOBILE-CN China Mobile Communications Grou 12479 7711 7567 UNI2-AS, ES 16509 9853 6398 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4631 4608 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4602 3997 CABLEONE, US 7552 3865 3845 VIETEL-AS-AP Viettel Group, VN 20940 3850 3724 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 23.189.192.0/24 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 /12:297 /13:578 /14:1194 /15:2066 /16:13230 /17:8127 /18:13576 /19:24497 /20:42995 /21:50920 /22:110282 /23:98420 /24:572332 /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 6830 7711 UNI2-AS, ES 8151 6430 12419 UNINET, MX 11492 3515 4602 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3114 4170 VIASAT-SP-BACKBONE, US 22773 2614 3516 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2148 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2138 3532 Telmex Colombia S.A., CO 8551 2112 2636 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) ---------------------------------------------- 1:2296 2:1495 3:322 4:6 5:4529 6:161 7:6 8:1507 9:1 11:172 12:1463 13:379 14:2356 15:318 16:209 17:367 18:758 20:358 21:4 22:188 23:6659 24:2712 25:2 27:2615 29:19 31:2689 32:45 34:63 35:124 36:2285 37:4463 38:7189 39:891 40:126 41:4080 42:2211 43:2337 44:317 45:16965 46:4418 47:306 49:1896 50:1921 51:573 52:1586 54:312 55:998 56:5 57:163 58:1982 59:1187 60:1033 61:2613 62:2683 63:1893 64:5534 65:2318 66:4660 67:3000 68:1335 69:4099 70:1193 71:578 72:2900 74:2585 75:1549 76:626 77:2424 78:1845 79:2491 80:2184 81:1952 82:1552 83:1314 84:1644 85:3132 86:841 87:2014 88:1241 89:4057 90:677 91:8090 92:2210 93:2660 94:3668 95:4132 96:1294 97:315 98:1043 99:743 100:79 101:1172 102:3117 103:32471 104:4669 105:635 106:931 107:2697 108:1119 109:4071 110:2132 111:3205 112:2066 113:1807 114:1777 115:2033 116:1869 117:2624 118:2846 119:1965 120:1785 121:1264 122:2663 123:2198 124:1606 125:2846 126:32 128:1436 129:926 130:1103 131:1850 132:800 133:410 134:1715 135:318 136:940 137:1031 138:2832 139:1533 140:1388 141:1364 142:1573 143:1491 144:1006 145:347 146:2058 147:1834 148:2486 149:2551 150:1028 151:1340 152:2003 153:523 154:6452 155:1439 156:2306 157:1695 158:1113 159:2317 160:2634 161:1617 162:3573 163:1708 164:1642 165:2134 166:1163 167:1785 168:3896 169:793 170:4765 171:997 172:3785 173:3033 174:904 175:1202 176:3621 177:4698 178:3582 179:2262 180:2358 181:3688 182:3381 183:2037 184:2276 185:20679 186:5020 187:4544 188:4040 189:4175 190:9329 191:1510 192:10930 193:9055 194:7470 195:5258 196:3147 197:2460 198:5895 199:7617 200:7992 201:6320 202:10196 203:10148 204:4535 205:3709 206:4438 207:3378 208:4128 209:5022 210:4391 211:2485 212:4287 213:3419 214:1085 215:50 216:6760 217:2818 218:1311 219:406 220:1812 221:1032 222:697 223:2207 End of report