IPv4 R&E Routing Table Report 23:05 GMT Sun 21 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: 939295 Prefixes after maximum aggregation (per Origin AS): 359393 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 460229 Number of IPv4 prefixes with a valid ROA: 463502 Number of IPv4 prefixes with an invalid ROA: 1082 Number of IPv4 prefixes with no ROA: 474711 Total ASes present in the Internet Routing Table: 75481 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64940 Origin ASes announcing only one prefix: 26558 Transit ASes present in the Internet Routing Table: 10541 Transit-only ASes present in the Internet Routing Table: 490 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: 1049 Number of instances of unregistered ASNs: 1051 Number of 32-bit ASNs allocated by the RIRs: 44225 Number of 32-bit ASNs visible in the Routing Table: 36176 Prefixes from 32-bit ASNs in the Routing Table: 184668 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: 3028092928 Equivalent to 180 /8s, 125 /16s and 8 /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: 309931 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247872 Total APNIC prefixes after maximum aggregation: 72887 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240105 Unique aggregates announced from the APNIC address blocks: 100368 APNIC Region origin ASes present in the Internet Routing Table: 14004 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4241 APNIC Region transit ASes present in the Internet Routing Table: 1862 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: 9447 Number of APNIC addresses announced to Internet: 761554688 Equivalent to 45 /8s, 100 /16s and 103 /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: 273928 Total ARIN prefixes after maximum aggregation: 124263 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278667 Unique aggregates announced from the ARIN address blocks: 133308 ARIN Region origin ASes present in the Internet Routing Table: 19100 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1905 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: 1268741376 Equivalent to 75 /8s, 159 /16s and 117 /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: 263893 Total RIPE prefixes after maximum aggregation: 126546 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258773 Unique aggregates announced from the RIPE address blocks: 163449 RIPE Region origin ASes present in the Internet Routing Table: 28595 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3916 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: 11724 Number of RIPE addresses announced to Internet: 714461696 Equivalent to 42 /8s, 149 /16s and 210 /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: 121605 Total LACNIC prefixes after maximum aggregation: 28857 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119834 Unique aggregates announced from the LACNIC address blocks: 49513 LACNIC Region origin ASes present in the Internet Routing Table: 11075 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2596 LACNIC Region transit ASes present in the Internet Routing Table: 2361 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: 177125376 Equivalent to 10 /8s, 142 /16s and 184 /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: 30948 Total AfriNIC prefixes after maximum aggregation: 6153 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 41336 Unique aggregates announced from the AfriNIC address blocks: 13132 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.81 AfriNIC Region origin ASes announcing only one prefix: 637 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: 1180 Number of AfriNIC addresses announced to Internet: 105897728 Equivalent to 6 /8s, 79 /16s and 223 /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 4584 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3881 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 9836 11364 3472 AMAZON-02, US 11492 4603 305 604 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 3422 6628 827 COGENT-174, US 749 3201 54912 2453 DNIC-AS-00749, US 16625 3077 1302 2194 AKAMAI-AS, US 367 2832 3548 1352 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 7706 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 2636 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2349 364 583 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1557 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 2528 350 661 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 1313 788 197 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 1102 369 22 Telefonica del Peru S.A.A., PE 26615 1068 2503 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 24835 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1369 1519 283 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 529 56 54 WANANCHI-, KE 36914 469 82 3 KENET-AS, KE 24757 435 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 9836 11364 3472 AMAZON-02, US 12479 7706 1709 144 UNI2-AS, ES 7545 5665 778 678 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4603 305 604 CABLEONE, US 18403 4584 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4170 287 90 VIASAT-SP-BACKBONE, US 7552 3881 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 7706 7562 UNI2-AS, ES 16509 9836 6364 AMAZON-02, US 7545 5665 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4584 4561 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4080 VIASAT-SP-BACKBONE, US 11492 4603 3999 CABLEONE, US 7552 3881 3861 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 /14:1195 /15:2062 /16:13226 /17:8128 /18:13559 /19:24490 /20:42957 /21:50908 /22:110379 /23:98495 /24:572850 /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 6821 7706 UNI2-AS, ES 8151 6438 12418 UNINET, MX 11492 3516 4603 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 2145 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2135 3522 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) ---------------------------------------------- 1:2297 2:1494 3:326 4:6 5:4522 6:163 7:6 8:1506 9:1 11:172 12:1460 13:367 14:2357 15:317 16:209 17:367 18:765 20:361 21:4 22:188 23:6654 24:2712 25:2 27:2591 29:19 31:2688 32:45 34:62 35:128 36:2304 37:4476 38:7292 39:891 40:126 41:4058 42:2185 43:2349 44:314 45:17009 46:4423 47:305 49:1891 50:1921 51:573 52:1584 54:311 55:925 56:5 57:167 58:2016 59:1186 60:1031 61:2617 62:2687 63:1888 64:5537 65:2353 66:4662 67:2998 68:1319 69:4115 70:1189 71:579 72:2890 74:2589 75:1551 76:606 77:2431 78:1848 79:2498 80:2185 81:1962 82:1564 83:1315 84:1634 85:3125 86:838 87:1973 88:1237 89:4067 90:618 91:8096 92:2202 93:2665 94:3621 95:4137 96:1293 97:313 98:1046 99:742 100:78 101:1173 102:3085 103:32481 104:4839 105:654 106:940 107:2773 108:1103 109:4096 110:2142 111:3246 112:2060 113:1809 114:1775 115:2038 116:1864 117:2622 118:2844 119:1971 120:1780 121:1264 122:2648 123:2207 124:1607 125:2849 126:32 128:1430 129:926 130:1115 131:1860 132:791 133:410 134:1717 135:319 136:937 137:1032 138:2840 139:1535 140:1385 141:1366 142:1584 143:1487 144:1004 145:344 146:2059 147:1847 148:2497 149:2560 150:1035 151:1340 152:2023 153:524 154:6486 155:1453 156:2476 157:1721 158:1116 159:2320 160:2645 161:1634 162:3565 163:1688 164:1641 165:2125 166:1167 167:1785 168:3895 169:793 170:4809 171:998 172:3807 173:3028 174:897 175:1200 176:3653 177:4721 178:3577 179:2246 180:2360 181:3698 182:3382 183:2046 184:2278 185:20702 186:5002 187:4467 188:4056 189:4176 190:9348 191:1457 192:10940 193:9049 194:7454 195:5260 196:3141 197:2449 198:5888 199:7644 200:7966 201:6335 202:10189 203:10128 204:4537 205:3654 206:4440 207:3387 208:4133 209:5019 210:4395 211:2487 212:4281 213:3422 214:1060 215:49 216:6761 217:2823 218:1312 219:405 220:1818 221:1033 222:697 223:2208 End of report