IPv4 R&E Routing Table Report 23:05 GMT Thu 13 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: 945019 Prefixes after maximum aggregation (per Origin AS): 361616 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465246 Number of IPv4 prefixes with a valid ROA: 480621 Number of IPv4 prefixes with an invalid ROA: 1005 Number of IPv4 prefixes with no ROA: 463393 Total ASes present in the Internet Routing Table: 75709 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65150 Origin ASes announcing only one prefix: 26688 Transit ASes present in the Internet Routing Table: 10559 Transit-only ASes present in the Internet Routing Table: 513 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: 1020 Number of instances of unregistered ASNs: 1022 Number of 32-bit ASNs allocated by the RIRs: 44738 Number of 32-bit ASNs visible in the Routing Table: 36507 Prefixes from 32-bit ASNs in the Routing Table: 186881 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: 653 Number of addresses announced to Internet: 3024009472 Equivalent to 180 /8s, 62 /16s and 185 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 311172 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249143 Total APNIC prefixes after maximum aggregation: 73438 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241335 Unique aggregates announced from the APNIC address blocks: 101174 APNIC Region origin ASes present in the Internet Routing Table: 14116 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4293 APNIC Region transit ASes present in the Internet Routing Table: 1873 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: 9570 Number of APNIC addresses announced to Internet: 761096448 Equivalent to 45 /8s, 93 /16s and 105 /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: 276093 Total ARIN prefixes after maximum aggregation: 125127 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280476 Unique aggregates announced from the ARIN address blocks: 134810 ARIN Region origin ASes present in the Internet Routing Table: 19092 ARIN Prefixes per ASN: 14.69 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1887 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: 4915 Number of ARIN addresses announced to Internet: 1266781440 Equivalent to 75 /8s, 129 /16s and 141 /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: 127392 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260191 Unique aggregates announced from the RIPE address blocks: 164824 RIPE Region origin ASes present in the Internet Routing Table: 28652 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3908 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: 11828 Number of RIPE addresses announced to Internet: 713442560 Equivalent to 42 /8s, 134 /16s and 69 /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: 121725 Total LACNIC prefixes after maximum aggregation: 28755 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119843 Unique aggregates announced from the LACNIC address blocks: 50270 LACNIC Region origin ASes present in the Internet Routing Table: 11093 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2385 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: 8983 Number of LACNIC addresses announced to Internet: 176589568 Equivalent to 10 /8s, 134 /16s and 139 /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: 31703 Total AfriNIC prefixes after maximum aggregation: 6222 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 42521 Unique aggregates announced from the AfriNIC address blocks: 13686 AfriNIC Region origin ASes present in the Internet Routing Table: 1847 AfriNIC Prefixes per ASN: 23.02 AfriNIC Region origin ASes announcing only one prefix: 663 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1211 Number of AfriNIC addresses announced to Internet: 105708032 Equivalent to 6 /8s, 76 /16s and 250 /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 5640 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4204 347 23 UNASSIGNED 7552 3944 1331 21 UNASSIGNED 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3612 1043 64 UNASSIGNED 45899 3278 1857 104 UNASSIGNED 24560 2823 863 400 UNASSIGNED 4755 2196 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 10065 11412 3568 AMAZON-02, US 11492 4639 308 550 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3576 8782 870 COGENT-174, US 22773 3462 3039 215 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54901 2506 UNASSIGNED 16625 3074 1313 2200 AKAMAI-AS, US 7018 2879 23667 1811 ATT-INTERNET4, US 396982 2766 3634 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 7731 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3809 3396 129 AKAMAI-ASN1, NL 9009 3591 306 1813 M247, RO 12389 2915 2294 869 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1772 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1684 122 1224 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 12093 3304 512 UNINET, MX 10620 3515 492 936 Telmex Colombia S.A., CO 13999 2544 353 671 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 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1249 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1092 369 22 Telefonica del Peru S.A.A., PE 26615 1074 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 1612 389 16 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 1216 77 75 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 472 82 3 KENET-AS, KE 37342 468 32 1 MOVITEL, MZ 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 12093 3304 512 UNINET, MX 16509 10065 11412 3568 AMAZON-02, US 9808 9833 8743 69 CHINAMOBILE-CN China Mobile Communicati 12479 7731 1708 145 UNI2-AS, ES 7545 5640 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4639 308 550 CABLEONE, US 18403 4204 347 23 UNASSIGNED 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3944 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 7731 7586 UNI2-AS, ES 16509 10065 6497 AMAZON-02, US 7545 5640 4969 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4204 4181 UNASSIGNED 11492 4639 4089 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3944 3923 UNASSIGNED 20940 3809 3680 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 23.167.48.0/24 Origin: 23379 UNASSIGNED 23.167.48.0/24 Transit: 12956 TELXIUS TELXIUS Cable, ES 23.170.224.0/24 Origin: 30168 UNASSIGNED 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /11:93 /12:297 /13:569 /14:1165 /15:2052 /16:13197 /17:8136 /18:13578 /19:24330 /20:43080 /21:51136 /22:110863 /23:99161 /24:577288 /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 6819 7731 UNI2-AS, ES 8151 6162 12093 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 2570 3462 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2162 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2144 3515 Telmex Colombia S.A., CO 16509 2140 10065 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2292 2:1528 3:349 4:6 5:4563 6:160 7:6 8:1510 9:1 11:172 12:1456 13:358 14:2370 15:316 16:217 17:367 18:774 20:383 21:4 22:188 23:6819 24:2709 25:2 27:2560 29:19 31:2556 32:45 34:65 35:129 36:2314 37:4471 38:7643 39:897 40:142 41:4147 42:2032 43:2348 44:322 45:17118 46:4485 47:304 49:1956 50:1887 51:579 52:1582 54:315 55:886 56:7 57:201 58:2072 59:1194 60:1034 61:2627 62:2718 63:1883 64:5486 65:2318 66:4583 67:2982 68:1306 69:4119 70:1175 71:571 72:2869 74:2592 75:1545 76:622 77:2485 78:1860 79:1781 80:2180 81:1982 82:1634 83:1355 84:1676 85:3172 86:912 87:2032 88:1217 89:4132 90:678 91:8133 92:2308 93:2710 94:3724 95:4191 96:1276 97:316 98:1039 99:740 100:73 101:1164 102:3493 103:32378 104:4775 105:664 106:991 107:2613 108:1148 109:4040 110:2141 111:3252 112:2060 113:1789 114:1812 115:2067 116:1873 117:2655 118:2797 119:1988 120:1776 121:1300 122:2680 123:2211 124:1607 125:2857 126:32 128:1405 129:920 130:1153 131:1854 132:802 133:412 134:1732 135:323 136:1112 137:1051 138:2821 139:1531 140:1378 141:1360 142:1656 143:1593 144:1009 145:370 146:2072 147:1975 148:2514 149:2751 150:1033 151:1355 152:2212 153:523 154:6834 155:1502 156:2265 157:1852 158:1157 159:2316 160:2712 161:1700 162:3561 163:1702 164:1662 165:2159 166:1271 167:1801 168:3999 169:785 170:4912 171:1025 172:3854 173:3060 174:890 175:1233 176:3465 177:4758 178:3673 179:2221 180:2406 181:3751 182:3358 183:1981 184:2261 185:20815 186:4984 187:4466 188:4064 189:4260 190:9437 191:1524 192:10985 193:9133 194:7509 195:5317 196:3196 197:2636 198:5912 199:7913 200:8013 201:6276 202:10174 203:10164 204:4564 205:3643 206:4424 207:3490 208:4152 209:5013 210:4405 211:2527 212:4337 213:3494 214:1061 215:48 216:6783 217:3026 218:1295 219:412 220:1817 221:1038 222:695 223:2218 End of report