IPv4 R&E Routing Table Report 23:05 GMT Mon 17 Jun, 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: 944395 Prefixes after maximum aggregation (per Origin AS): 361342 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 394521 Number of IPv4 prefixes with a valid ROA: 480456 Number of IPv4 prefixes with an invalid ROA: 1006 Number of IPv4 prefixes with no ROA: 462933 Total ASes present in the Internet Routing Table: 75717 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 65134 Origin ASes announcing only one prefix: 26721 Transit ASes present in the Internet Routing Table: 10583 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 987 Number of instances of unregistered ASNs: 989 Number of 32-bit ASNs allocated by the RIRs: 44779 Number of 32-bit ASNs visible in the Routing Table: 36535 Prefixes from 32-bit ASNs in the Routing Table: 186687 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: 616 Number of addresses announced to Internet: 3109912320 Equivalent to 185 /8s, 93 /16s and 127 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 310668 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249132 Total APNIC prefixes after maximum aggregation: 73339 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241298 Unique aggregates announced from the APNIC address blocks: 48294 APNIC Region origin ASes present in the Internet Routing Table: 14125 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4301 APNIC Region transit ASes present in the Internet Routing Table: 1882 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9583 Number of APNIC addresses announced to Internet: 471212544 Equivalent to 28 /8s, 22 /16s and 34 /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: 276032 Total ARIN prefixes after maximum aggregation: 124991 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280439 Unique aggregates announced from the ARIN address blocks: 124809 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.69 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 4918 Number of ARIN addresses announced to Internet: 1688789760 Equivalent to 100 /8s, 168 /16s and 227 /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: 265335 Total RIPE prefixes after maximum aggregation: 127386 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260243 Unique aggregates announced from the RIPE address blocks: 160218 RIPE Region origin ASes present in the Internet Routing Table: 28661 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12146 RIPE Region transit ASes present in the Internet Routing Table: 3918 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11846 Number of RIPE addresses announced to Internet: 695656192 Equivalent to 41 /8s, 118 /16s and 223 /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: 121382 Total LACNIC prefixes after maximum aggregation: 28748 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119490 Unique aggregates announced from the LACNIC address blocks: 50189 LACNIC Region origin ASes present in the Internet Routing Table: 11090 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2379 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8982 Number of LACNIC addresses announced to Internet: 176623360 Equivalent to 10 /8s, 135 /16s and 15 /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: 31527 Total AfriNIC prefixes after maximum aggregation: 6205 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 42309 Unique aggregates announced from the AfriNIC address blocks: 10676 AfriNIC Region origin ASes present in the Internet Routing Table: 1839 AfriNIC Prefixes per ASN: 23.01 AfriNIC Region origin ASes announcing only one prefix: 660 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1206 Number of AfriNIC addresses announced to Internet: 77358592 Equivalent to 4 /8s, 156 /16s and 102 /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 9833 8743 69 CHINAMOBILE-CN China Mobile Communicati 7545 5642 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4199 347 23 UNASSIGNED 7552 3946 1331 21 UNASSIGNED 9498 3780 131326 169 BBIL-AP BHARTI Airtel Ltd., IN 7713 3612 1043 64 UNASSIGNED 45899 3279 1857 105 UNASSIGNED 24560 2823 863 400 UNASSIGNED 4755 2199 434 199 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 10053 11416 3570 AMAZON-02, US 11492 4639 308 550 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3580 8783 870 COGENT-174, US 22773 3461 3039 215 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 UNASSIGNED 16625 3052 1305 2187 AKAMAI-AS, US 7018 2875 23667 1807 ATT-INTERNET4, US 396982 2763 3620 412 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 7726 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3803 3396 129 AKAMAI-ASN1, NL 9009 3590 306 1813 M247, RO 12389 2915 2294 869 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1695 123 1231 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1527 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 11911 3312 501 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2543 353 670 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1344 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1323 784 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1249 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1091 369 22 Telefonica del Peru S.A.A., PE 26615 1076 2503 53 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 1611 389 20 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1219 77 73 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 526 56 56 WANANCHI-, KE 37342 467 32 1 MOVITEL, MZ 37054 423 115 8 Telecom-Malagasy, MG 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 11911 3312 501 UNINET, MX 16509 10053 11416 3570 AMAZON-02, US 9808 9833 8743 69 CHINAMOBILE-CN China Mobile Communicati 12479 7726 1708 145 UNI2-AS, ES 7545 5642 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4639 308 550 CABLEONE, US 18403 4199 347 23 UNASSIGNED 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3946 1331 21 UNASSIGNED 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 9833 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7726 7581 UNI2-AS, ES 16509 10053 6483 AMAZON-02, US 7545 5642 4970 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4199 4176 UNASSIGNED 11492 4639 4089 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3946 3925 UNASSIGNED 20940 3803 3674 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 BTN-ASN, US 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.170.224.0/24 Origin: 30168 UNASSIGNED 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.189.192.0/24 Origin: 27593 UNASSIGNED 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 /3:1 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:36 /11:93 /12:297 /13:569 /14:1165 /15:2052 /16:13195 /17:8133 /18:13572 /19:24329 /20:43094 /21:51170 /22:110751 /23:99078 /24:576822 /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 6815 7726 UNI2-AS, ES 8151 5945 11911 UNINET, MX 11492 3546 4639 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2568 3461 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2137 10053 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2286 2:1530 3:350 4:6 5:4565 6:162 7:6 8:1508 9:1 11:172 12:1456 13:356 14:2367 15:316 16:217 17:367 18:774 20:385 21:4 22:188 23:6825 24:2698 25:2 27:2559 29:19 31:2574 32:45 34:65 35:135 36:2317 37:4476 38:7666 39:897 40:142 41:4143 42:2019 43:2346 44:325 45:17111 46:4482 47:305 49:1957 50:1884 51:580 52:1580 54:316 55:907 56:8 57:203 58:2074 59:1194 60:1035 61:2624 62:2737 63:1883 64:5479 65:2307 66:4605 67:2986 68:1299 69:4118 70:1175 71:572 72:2874 74:2595 75:1546 76:622 77:2483 78:1859 79:1784 80:2179 81:2014 82:1631 83:1353 84:1678 85:3170 86:913 87:2026 88:1218 89:4133 90:679 91:8133 92:2305 93:2707 94:3724 95:4184 96:1278 97:316 98:1039 99:740 100:73 101:1164 102:3462 103:32376 104:4775 105:686 106:993 107:2559 108:1145 109:4031 110:2140 111:3248 112:2052 113:1806 114:1809 115:2063 116:1870 117:2652 118:2791 119:1985 120:1776 121:1299 122:2680 123:2212 124:1610 125:2842 126:32 128:1406 129:918 130:1156 131:1846 132:810 133:412 134:1733 135:323 136:1111 137:1054 138:2810 139:1517 140:1389 141:1355 142:1659 143:1584 144:1006 145:369 146:2083 147:1975 148:2527 149:2731 150:1031 151:1357 152:2212 153:522 154:6874 155:1496 156:2270 157:1845 158:1154 159:2313 160:2717 161:1700 162:3557 163:1699 164:1662 165:2157 166:1268 167:1806 168:4010 169:794 170:4892 171:1026 172:3852 173:3039 174:890 175:1231 176:3466 177:4694 178:3675 179:2205 180:2401 181:3767 182:3346 183:1983 184:2259 185:20824 186:4952 187:4418 188:4071 189:4202 190:9438 191:1488 192:10996 193:9132 194:7504 195:5288 196:3177 197:2478 198:5900 199:7926 200:8018 201:6321 202:10204 203:10160 204:4563 205:3638 206:4425 207:3489 208:4146 209:5029 210:4403 211:2528 212:4315 213:3490 214:1059 215:49 216:6759 217:3026 218:1291 219:414 220:1812 221:1038 222:684 223:2219 End of report