IPv4 R&E Routing Table Report 23:05 GMT Sun 02 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: 945020 Prefixes after maximum aggregation (per Origin AS): 361066 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 463657 Number of IPv4 prefixes with a valid ROA: 478206 Number of IPv4 prefixes with an invalid ROA: 1130 Number of IPv4 prefixes with no ROA: 465684 Total ASes present in the Internet Routing Table: 75700 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65113 Origin ASes announcing only one prefix: 26685 Transit ASes present in the Internet Routing Table: 10587 Transit-only ASes present in the Internet Routing Table: 512 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 1002 Number of instances of unregistered ASNs: 1004 Number of 32-bit ASNs allocated by the RIRs: 44644 Number of 32-bit ASNs visible in the Routing Table: 36478 Prefixes from 32-bit ASNs in the Routing Table: 186369 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: 597 Number of addresses announced to Internet: 3026972416 Equivalent to 180 /8s, 107 /16s and 239 /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: 312035 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249065 Total APNIC prefixes after maximum aggregation: 73300 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241205 Unique aggregates announced from the APNIC address blocks: 101016 APNIC Region origin ASes present in the Internet Routing Table: 14095 APNIC Prefixes per ASN: 17.11 APNIC Region origin ASes announcing only one prefix: 4289 APNIC Region transit ASes present in the Internet Routing Table: 1880 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9549 Number of APNIC addresses announced to Internet: 761008384 Equivalent to 45 /8s, 92 /16s and 17 /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: 275811 Total ARIN prefixes after maximum aggregation: 124874 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280457 Unique aggregates announced from the ARIN address blocks: 134473 ARIN Region origin ASes present in the Internet Routing Table: 19124 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1920 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: 4916 Number of ARIN addresses announced to Internet: 1267790080 Equivalent to 75 /8s, 144 /16s and 241 /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: 266142 Total RIPE prefixes after maximum aggregation: 127368 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260869 Unique aggregates announced from the RIPE address blocks: 164455 RIPE Region origin ASes present in the Internet Routing Table: 28643 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12137 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11822 Number of RIPE addresses announced to Internet: 713995776 Equivalent to 42 /8s, 142 /16s and 182 /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: 121463 Total LACNIC prefixes after maximum aggregation: 28699 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119698 Unique aggregates announced from the LACNIC address blocks: 50083 LACNIC Region origin ASes present in the Internet Routing Table: 11090 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2382 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8984 Number of LACNIC addresses announced to Internet: 176610816 Equivalent to 10 /8s, 134 /16s and 222 /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: 31537 Total AfriNIC prefixes after maximum aggregation: 6160 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 42194 Unique aggregates announced from the AfriNIC address blocks: 13181 AfriNIC Region origin ASes present in the Internet Routing Table: 1840 AfriNIC Prefixes per ASN: 22.93 AfriNIC Region origin ASes announcing only one prefix: 655 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1207 Number of AfriNIC addresses announced to Internet: 107247104 Equivalent to 6 /8s, 100 /16s and 118 /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 9827 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5635 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4331 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3932 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3764 509 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3639 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3275 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2795 863 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 434 199 TATACOMM-AS TATA Communications formerl 45090 2151 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 9947 11387 3541 AMAZON-02, US 11492 4621 306 593 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3534 8783 876 COGENT-174, US 22773 3468 3024 221 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54904 2474 DNIC-AS-00749, US 16625 3046 1314 2197 AKAMAI-AS, US 7018 2852 23663 1804 ATT-INTERNET4, US 367 2777 3385 1300 DNIC-ASBLK-00306-00371, 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 7758 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3795 3396 129 AKAMAI-ASN1, NL 9009 3511 300 1753 M247, RO 12389 2916 2294 871 ROSTELECOM-AS, RU 8551 2644 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 581 TELLCOM-AS, TR 212238 1687 123 1227 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 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 12169 3320 505 UNINET, MX 10620 3512 492 940 Telmex Colombia S.A., CO 13999 2547 355 666 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1237 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 315 480 Axtel, S.A.B. de C.V., MX 6147 1088 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 24835 1569 577 29 RAYA-AS, EG 24863 1494 389 20 LINKdotNET-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1219 77 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 474 82 3 KENET-AS, KE 37342 470 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 12169 3320 505 UNINET, MX 16509 9947 11387 3541 AMAZON-02, US 9808 9827 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7758 1708 145 UNI2-AS, ES 7545 5635 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4621 306 593 CABLEONE, US 18403 4331 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3932 1331 21 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 9827 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7758 7613 UNI2-AS, ES 16509 9947 6406 AMAZON-02, US 7545 5635 4965 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4331 4307 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4621 4028 CABLEONE, US 7552 3932 3911 VIETEL-AS-AP Viettel Group, VN 20940 3795 3666 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 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: 3491 BTN-ASN, 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 /12:298 /13:573 /14:1168 /15:2052 /16:13215 /17:8142 /18:13602 /19:24364 /20:43068 /21:51097 /22:110723 /23:99025 /24:577526 /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 6852 7758 UNI2-AS, ES 8151 6215 12169 UNINET, MX 11492 3530 4621 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2571 3468 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2177 2519 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2141 3512 Telmex Colombia S.A., CO 8551 2121 2644 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) ---------------------------------------------- 1:2294 2:1520 3:343 4:6 5:4551 6:162 7:6 8:1509 9:1 11:172 12:1460 13:363 14:2368 15:319 16:217 17:367 18:767 20:385 21:4 22:188 23:6809 24:2715 25:2 27:2548 29:19 31:2577 32:45 34:65 35:135 36:2309 37:4457 38:7585 39:897 40:125 41:4099 42:2090 43:2341 44:321 45:17084 46:4486 47:306 49:1946 50:1912 51:576 52:1583 54:313 55:975 56:7 57:178 58:2073 59:1197 60:1032 61:2626 62:2766 63:1891 64:5502 65:2315 66:4654 67:2991 68:1313 69:4080 70:1177 71:582 72:2873 74:2584 75:1551 76:621 77:2473 78:1855 79:2520 80:2186 81:2013 82:1648 83:1350 84:1664 85:3183 86:908 87:2020 88:1246 89:4118 90:686 91:8115 92:2305 93:2709 94:3732 95:4197 96:1277 97:316 98:1034 99:738 100:72 101:1169 102:3462 103:32415 104:4780 105:677 106:948 107:2701 108:1149 109:4156 110:2138 111:3252 112:2057 113:1779 114:1802 115:2066 116:1877 117:2654 118:2810 119:1994 120:1777 121:1286 122:2684 123:2208 124:1618 125:2859 126:32 128:1409 129:921 130:1151 131:1831 132:801 133:412 134:1736 135:322 136:1113 137:1044 138:2825 139:1531 140:1371 141:1344 142:1651 143:1557 144:1007 145:367 146:2065 147:1952 148:2517 149:2739 150:1035 151:1341 152:2201 153:525 154:6660 155:1459 156:2257 157:1823 158:1153 159:2319 160:2673 161:1695 162:3552 163:1702 164:1650 165:2154 166:1258 167:1795 168:3962 169:802 170:4924 171:1023 172:3855 173:3043 174:892 175:1228 176:3457 177:4773 178:3676 179:2215 180:2371 181:3751 182:3383 183:1994 184:2258 185:20792 186:4997 187:4494 188:4059 189:4165 190:9444 191:1561 192:11014 193:9107 194:7511 195:5312 196:3192 197:2618 198:5936 199:7888 200:7986 201:6243 202:10188 203:10142 204:4565 205:3598 206:4442 207:3484 208:4149 209:5009 210:4395 211:2528 212:4292 213:3485 214:1071 215:49 216:6788 217:2986 218:1294 219:413 220:1815 221:1034 222:692 223:2213 End of report