IPv4 R&E Routing Table Report 23:05 GMT Thu 30 May, 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: 945531 Prefixes after maximum aggregation (per Origin AS): 360778 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 462829 Number of IPv4 prefixes with a valid ROA: 477920 Number of IPv4 prefixes with an invalid ROA: 1139 Number of IPv4 prefixes with no ROA: 466472 Total ASes present in the Internet Routing Table: 75684 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65089 Origin ASes announcing only one prefix: 26699 Transit ASes present in the Internet Routing Table: 10595 Transit-only ASes present in the Internet Routing Table: 505 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: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 1006 Number of instances of unregistered ASNs: 1008 Number of 32-bit ASNs allocated by the RIRs: 44596 Number of 32-bit ASNs visible in the Routing Table: 36440 Prefixes from 32-bit ASNs in the Routing Table: 186361 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: 610 Number of addresses announced to Internet: 3027248384 Equivalent to 180 /8s, 112 /16s and 37 /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: 312523 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249094 Total APNIC prefixes after maximum aggregation: 73299 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 241371 Unique aggregates announced from the APNIC address blocks: 101164 APNIC Region origin ASes present in the Internet Routing Table: 14083 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4288 APNIC Region transit ASes present in the Internet Routing Table: 1875 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9536 Number of APNIC addresses announced to Internet: 761029120 Equivalent to 45 /8s, 92 /16s and 98 /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: 275789 Total ARIN prefixes after maximum aggregation: 124673 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280448 Unique aggregates announced from the ARIN address blocks: 133834 ARIN Region origin ASes present in the Internet Routing Table: 19120 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1926 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: 4907 Number of ARIN addresses announced to Internet: 1267901696 Equivalent to 75 /8s, 146 /16s and 165 /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: 266427 Total RIPE prefixes after maximum aggregation: 127401 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 261003 Unique aggregates announced from the RIPE address blocks: 164418 RIPE Region origin ASes present in the Internet Routing Table: 28653 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12140 RIPE Region transit ASes present in the Internet Routing Table: 3911 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: 11813 Number of RIPE addresses announced to Internet: 713995264 Equivalent to 42 /8s, 142 /16s and 180 /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: 121699 Total LACNIC prefixes after maximum aggregation: 28565 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 119909 Unique aggregates announced from the LACNIC address blocks: 49766 LACNIC Region origin ASes present in the Internet Routing Table: 11087 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2376 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: 8981 Number of LACNIC addresses announced to Internet: 176729088 Equivalent to 10 /8s, 136 /16s and 172 /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: 31516 Total AfriNIC prefixes after maximum aggregation: 6172 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 42190 Unique aggregates announced from the AfriNIC address blocks: 13193 AfriNIC Region origin ASes present in the Internet Routing Table: 1837 AfriNIC Prefixes per ASN: 22.97 AfriNIC Region origin ASes announcing only one prefix: 655 AfriNIC Region transit ASes present in the Internet Routing Table: 348 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1203 Number of AfriNIC addresses announced to Internet: 107270400 Equivalent to 6 /8s, 100 /16s and 209 /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 9831 8742 63 CHINAMOBILE-CN China Mobile Communicati 7545 5636 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4384 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3931 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3758 509 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3639 1043 63 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 9983 11391 3530 AMAZON-02, US 11492 4621 306 592 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3533 8783 879 COGENT-174, US 22773 3475 3025 225 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54904 2474 DNIC-AS-00749, US 16625 3039 1310 2193 AKAMAI-AS, US 7018 2858 23665 1809 ATT-INTERNET4, US 367 2773 3368 1298 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 7760 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3796 3396 129 AKAMAI-ASN1, NL 9009 3511 300 1753 M247, RO 12389 2915 2294 872 ROSTELECOM-AS, RU 8551 2642 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2330 361 583 TELLCOM-AS, TR 212238 1675 121 1219 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 12168 3320 504 UNINET, MX 10620 3511 492 942 Telmex Colombia S.A., CO 13999 2544 355 665 Mega Cable, S.A. de C.V., MX 11830 1999 369 64 Instituto Costarricense de Electricidad 28573 1347 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1240 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1110 311 477 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 557 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 481 82 3 KENET-AS, KE 37342 467 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 12168 3320 504 UNINET, MX 16509 9983 11391 3530 AMAZON-02, US 9808 9831 8742 63 CHINAMOBILE-CN China Mobile Communicati 12479 7760 1708 145 UNI2-AS, ES 7545 5636 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4621 306 592 CABLEONE, US 18403 4384 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3931 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 9831 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7760 7615 UNI2-AS, ES 16509 9983 6453 AMAZON-02, US 7545 5636 4966 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4384 4360 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4621 4029 CABLEONE, US 7552 3931 3910 VIETEL-AS-AP Viettel Group, VN 20940 3796 3667 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 23.179.24.0/24 Origin: 401065 TANDY-NETWORKS, US 23.179.24.0/24 Transit: 23459 APPLEBEE-NETWORKS, 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 /11:93 /12:298 /13:573 /14:1168 /15:2052 /16:13216 /17:8143 /18:13595 /19:24357 /20:43011 /21:51058 /22:110679 /23:98979 /24:578235 /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 6854 7760 UNI2-AS, ES 8151 6213 12168 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 2578 3475 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2177 2519 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2140 3511 Telmex Colombia S.A., CO 8551 2118 2642 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 2:1511 3:348 4:6 5:4553 6:162 7:6 8:1503 9:1 11:172 12:1461 13:364 14:2359 15:319 16:217 17:367 18:770 20:378 21:4 22:188 23:6821 24:2714 25:2 27:2549 29:19 31:2576 32:45 34:65 35:134 36:2311 37:4480 38:7551 39:896 40:125 41:4092 42:2116 43:2347 44:320 45:17083 46:4500 47:306 49:1954 50:1911 51:577 52:1584 54:314 55:998 56:5 57:178 58:2077 59:1196 60:1032 61:2626 62:2685 63:1880 64:5506 65:2345 66:4652 67:2992 68:1312 69:4080 70:1179 71:583 72:2875 74:2577 75:1550 76:621 77:2471 78:1857 79:2520 80:2185 81:2013 82:1633 83:1350 84:1666 85:3178 86:909 87:2019 88:1243 89:4115 90:687 91:8118 92:2308 93:2709 94:3735 95:4191 96:1274 97:315 98:1033 99:738 100:73 101:1166 102:3457 103:32579 104:4777 105:677 106:949 107:2758 108:1145 109:4184 110:2141 111:3252 112:2057 113:1779 114:1802 115:2064 116:1878 117:2654 118:2826 119:1985 120:1777 121:1286 122:2687 123:2209 124:1618 125:2857 126:32 128:1417 129:919 130:1146 131:1834 132:796 133:412 134:1739 135:322 136:1104 137:1045 138:2814 139:1533 140:1371 141:1342 142:1644 143:1545 144:1012 145:365 146:2062 147:1953 148:2512 149:2741 150:1036 151:1339 152:2193 153:525 154:6683 155:1455 156:2283 157:1814 158:1153 159:2340 160:2670 161:1698 162:3550 163:1704 164:1653 165:2153 166:1243 167:1794 168:3962 169:805 170:4909 171:1023 172:3851 173:3035 174:890 175:1222 176:3678 177:4867 178:3696 179:2274 180:2369 181:3734 182:3383 183:2000 184:2257 185:20780 186:5028 187:4552 188:4062 189:4173 190:9435 191:1652 192:11000 193:9115 194:7508 195:5307 196:3181 197:2609 198:5937 199:7860 200:7980 201:6215 202:10204 203:10151 204:4569 205:3611 206:4444 207:3483 208:4149 209:5012 210:4390 211:2528 212:4291 213:3457 214:1070 215:49 216:6832 217:3003 218:1294 219:413 220:1817 221:1036 222:692 223:2214 End of report