IPv4 R&E Routing Table Report 23:05 GMT Wed 07 Feb, 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: 932788 Prefixes after maximum aggregation (per Origin AS): 356468 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456836 Number of IPv4 prefixes with a valid ROA: 442394 Number of IPv4 prefixes with an invalid ROA: 1070 Number of IPv4 prefixes with no ROA: 489324 Total ASes present in the Internet Routing Table: 75163 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64682 Origin ASes announcing only one prefix: 26553 Transit ASes present in the Internet Routing Table: 10481 Transit-only ASes present in the Internet Routing Table: 456 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: 106 Max AS path prepend of ASN (151354) 100 Prefixes from unregistered ASNs in the Routing Table: 1066 Number of instances of unregistered ASNs: 1068 Number of 32-bit ASNs allocated by the RIRs: 43567 Number of 32-bit ASNs visible in the Routing Table: 35763 Prefixes from 32-bit ASNs in the Routing Table: 180312 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: 504 Number of addresses announced to Internet: 3041072384 Equivalent to 181 /8s, 67 /16s and 21 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 309341 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245379 Total APNIC prefixes after maximum aggregation: 72028 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238238 Unique aggregates announced from the APNIC address blocks: 99914 APNIC Region origin ASes present in the Internet Routing Table: 13871 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4191 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 106 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9290 Number of APNIC addresses announced to Internet: 773960448 Equivalent to 46 /8s, 33 /16s and 179 /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: 273670 Total ARIN prefixes after maximum aggregation: 123470 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 278379 Unique aggregates announced from the ARIN address blocks: 132214 ARIN Region origin ASes present in the Internet Routing Table: 19036 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1861 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: 4837 Number of ARIN addresses announced to Internet: 1269349376 Equivalent to 75 /8s, 168 /16s and 188 /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: 261899 Total RIPE prefixes after maximum aggregation: 125553 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256608 Unique aggregates announced from the RIPE address blocks: 161404 RIPE Region origin ASes present in the Internet Routing Table: 28532 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12111 RIPE Region transit ASes present in the Internet Routing Table: 3903 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: 11565 Number of RIPE addresses announced to Internet: 713442048 Equivalent to 42 /8s, 134 /16s and 67 /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: 120483 Total LACNIC prefixes after maximum aggregation: 28653 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119110 Unique aggregates announced from the LACNIC address blocks: 49593 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2370 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: 8904 Number of LACNIC addresses announced to Internet: 177908736 Equivalent to 10 /8s, 154 /16s and 172 /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: 30291 Total AfriNIC prefixes after maximum aggregation: 6051 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 39949 Unique aggregates announced from the AfriNIC address blocks: 13294 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 21.99 AfriNIC Region origin ASes announcing only one prefix: 644 AfriNIC Region transit ASes present in the Internet Routing Table: 346 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: 1167 Number of AfriNIC addresses announced to Internet: 106111232 Equivalent to 6 /8s, 83 /16s and 33 /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 9817 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5649 783 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3483 499 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2696 859 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 197 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 9597 11217 3383 AMAZON-02, US 11492 4579 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3609 3041 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 74 SHAW, CA 16625 3230 1415 2304 AKAMAI-AS, US 749 3184 54927 2436 DNIC-AS-00749, US 174 3162 6640 659 COGENT-174, US 367 2936 3727 1431 DNIC-ASBLK-00306-00371, US 396982 2759 3641 399 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 7589 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3894 3396 132 AKAMAI-ASN1, NL 9009 3284 286 1592 M247, RO 12389 2886 2302 910 ROSTELECOM-AS, RU 8551 2694 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1497 1852 14 TE-AS TE-AS, EG 58224 1492 848 597 TCI, IR 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 12393 3385 628 UNINET, MX 10620 3520 496 895 Telmex Colombia S.A., CO 13999 2502 337 640 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 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1129 178 430 Techtel LMDS Comunicaciones Interactiva 6147 1088 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 24835 1548 545 28 RAYA-AS, EG 24863 1518 389 16 LINKdotNET-AS, EG 36992 1364 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1117 72 55 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 538 82 3 KENET-AS, KE 15399 534 55 53 WANANCHI-, KE 24757 487 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 12393 3385 628 UNINET, MX 9808 9817 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9597 11217 3383 AMAZON-02, US 12479 7589 1698 148 UNI2-AS, ES 7545 5649 783 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4579 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3894 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 9817 9766 CHINAMOBILE-CN China Mobile Communications Grou 12479 7589 7441 UNI2-AS, ES 16509 9597 6214 AMAZON-02, US 7545 5649 4962 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4579 3924 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 20940 3894 3762 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, 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 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 /13:574 /14:1190 /15:2060 /16:13329 /17:8093 /18:13548 /19:24638 /20:43168 /21:51213 /22:109910 /23:98827 /24:565766 /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 6706 7589 UNI2-AS, ES 8151 6366 12393 UNINET, MX 11492 3493 4579 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2657 3609 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2176 2694 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2138 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2126 3520 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) ---------------------------------------------- 1:2306 2:1531 3:297 4:5 5:4460 6:165 7:6 8:1491 9:1 11:172 12:1482 13:376 14:2333 15:311 16:203 17:360 18:725 20:352 21:4 22:188 23:6579 24:2701 25:2 27:2552 29:19 31:2558 32:53 34:39 35:121 36:2166 37:4463 38:6831 39:900 40:140 41:4016 42:2215 43:2297 44:326 45:16795 46:4322 47:286 49:1899 50:1893 51:572 52:1593 54:340 55:884 56:5 57:143 58:1965 59:1144 60:1012 61:2623 62:2692 63:1924 64:5529 65:2329 66:4886 67:3057 68:1337 69:4082 70:1197 71:579 72:2913 74:2642 75:1555 76:627 77:2353 78:1843 79:2514 80:2131 81:1883 82:1512 83:1246 84:1623 85:3098 86:781 87:1963 88:1218 89:3964 90:669 91:7919 92:2193 93:2627 94:3628 95:4053 96:1287 97:314 98:1030 99:743 100:95 101:1154 102:3053 103:32440 104:4778 105:597 106:917 107:2764 108:1129 109:4006 110:2143 111:3153 112:2061 113:1738 114:1746 115:1976 116:1955 117:2643 118:2758 119:1946 120:1785 121:1261 122:2635 123:2195 124:1558 125:2810 126:28 128:1459 129:915 130:1074 131:1819 132:819 133:411 134:1702 135:311 136:920 137:1013 138:2766 139:1536 140:1324 141:1342 142:1554 143:1516 144:1012 145:342 146:2002 147:1687 148:2512 149:2504 150:1022 151:1321 152:1972 153:528 154:5650 155:1367 156:2098 157:1484 158:1091 159:2197 160:2605 161:1620 162:3601 163:1686 164:1616 165:2109 166:1061 167:1706 168:3792 169:796 170:4699 171:991 172:3808 173:3006 174:897 175:1215 176:3626 177:4516 178:3525 179:2203 180:2365 181:3678 182:3420 183:2015 184:2287 185:20515 186:4801 187:4410 188:3976 189:4002 190:9355 191:1431 192:10960 193:8990 194:7384 195:5247 196:3132 197:2612 198:5904 199:7128 200:8003 201:6334 202:10137 203:10112 204:4542 205:3689 206:4374 207:3408 208:4107 209:4896 210:4361 211:2505 212:4252 213:3400 214:1111 215:44 216:6799 217:2777 218:1311 219:422 220:1823 221:1019 222:691 223:2202 End of report