IPv4 R&E Routing Table Report 23:05 GMT Sat 18 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: 942621 Prefixes after maximum aggregation (per Origin AS): 360420 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 461892 Number of IPv4 prefixes with a valid ROA: 472918 Number of IPv4 prefixes with an invalid ROA: 1174 Number of IPv4 prefixes with no ROA: 468529 Total ASes present in the Internet Routing Table: 75634 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 65041 Origin ASes announcing only one prefix: 26676 Transit ASes present in the Internet Routing Table: 10593 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: 4.8 Max AS path length visible: 61 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 1053 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 44478 Number of 32-bit ASNs visible in the Routing Table: 36376 Prefixes from 32-bit ASNs in the Routing Table: 185589 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: 687 Number of addresses announced to Internet: 3026653952 Equivalent to 180 /8s, 103 /16s and 19 /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: 311340 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248611 Total APNIC prefixes after maximum aggregation: 73048 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240902 Unique aggregates announced from the APNIC address blocks: 101009 APNIC Region origin ASes present in the Internet Routing Table: 14070 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4280 APNIC Region transit ASes present in the Internet Routing Table: 1876 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: 9520 Number of APNIC addresses announced to Internet: 760791040 Equivalent to 45 /8s, 88 /16s and 192 /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: 275257 Total ARIN prefixes after maximum aggregation: 124708 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 279776 Unique aggregates announced from the ARIN address blocks: 133730 ARIN Region origin ASes present in the Internet Routing Table: 19125 ARIN Prefixes per ASN: 14.63 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1916 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: 4899 Number of ARIN addresses announced to Internet: 1267411200 Equivalent to 75 /8s, 139 /16s and 41 /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: 265598 Total RIPE prefixes after maximum aggregation: 126812 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260535 Unique aggregates announced from the RIPE address blocks: 163903 RIPE Region origin ASes present in the Internet Routing Table: 28623 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12132 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: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11785 Number of RIPE addresses announced to Internet: 713940480 Equivalent to 42 /8s, 141 /16s and 222 /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: 120905 Total LACNIC prefixes after maximum aggregation: 28986 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 119132 Unique aggregates announced from the LACNIC address blocks: 49583 LACNIC Region origin ASes present in the Internet Routing Table: 11062 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2385 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: 8965 Number of LACNIC addresses announced to Internet: 176893952 Equivalent to 10 /8s, 139 /16s and 48 /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: 31197 Total AfriNIC prefixes after maximum aggregation: 6175 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 41589 Unique aggregates announced from the AfriNIC address blocks: 13164 AfriNIC Region origin ASes present in the Internet Routing Table: 1838 AfriNIC Prefixes per ASN: 22.63 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 348 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: 107208960 Equivalent to 6 /8s, 99 /16s and 225 /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 9829 8742 61 CHINAMOBILE-CN China Mobile Communicati 7545 5638 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4412 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3909 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3731 507 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3600 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2795 864 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2194 434 199 TATACOMM-AS TATA Communications formerl 45090 2153 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 9911 11373 3562 AMAZON-02, US 11492 4616 306 604 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3643 8781 868 COGENT-174, US 6327 3594 1320 79 SHAW, CA 22773 3486 3040 228 ASN-CXA-ALL-CCI-22773-RDC, US 749 3224 54904 2476 DNIC-AS-00749, US 16625 3046 1294 2191 AKAMAI-AS, US 7018 2827 23659 1784 ATT-INTERNET4, US 367 2781 3441 1307 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 7766 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3793 3396 129 AKAMAI-ASN1, NL 9009 3347 292 1654 M247, RO 12389 2897 2293 860 ROSTELECOM-AS, RU 8551 2641 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2345 362 581 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 212238 1588 114 1157 CDNEXT, GB 44477 1548 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 12197 3321 493 UNINET, MX 10620 3511 492 939 Telmex Colombia S.A., CO 13999 2540 353 663 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1350 2314 252 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1182 176 442 Techtel LMDS Comunicaciones Interactiva 6503 1125 314 478 Axtel, S.A.B. de C.V., MX 6147 1085 369 22 Telefonica del Peru S.A.A., PE 26615 1075 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 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1373 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1201 77 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 528 56 56 WANANCHI-, KE 37342 504 32 1 MOVITEL, MZ 36914 471 82 3 KENET-AS, KE 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 12197 3321 493 UNINET, MX 16509 9911 11373 3562 AMAZON-02, US 9808 9829 8742 61 CHINAMOBILE-CN China Mobile Communicati 12479 7766 1708 145 UNI2-AS, ES 7545 5638 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4616 306 604 CABLEONE, US 18403 4412 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3909 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 9829 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7766 7621 UNI2-AS, ES 16509 9911 6349 AMAZON-02, US 7545 5638 4964 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4412 4389 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4616 4012 CABLEONE, US 7552 3909 3888 VIETEL-AS-AP Viettel Group, VN 20940 3793 3664 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 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, 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 /11:94 /12:297 /13:574 /14:1168 /15:2045 /16:13210 /17:8131 /18:13590 /19:24386 /20:43003 /21:51081 /22:110557 /23:98675 /24:575736 /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 6862 7766 UNI2-AS, ES 8151 6225 12197 UNINET, MX 11492 3525 4616 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3391 3594 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2587 3486 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2137 3511 Telmex Colombia S.A., CO 16509 2125 9911 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2277 2:1516 3:344 4:6 5:4560 6:164 7:6 8:1507 9:1 11:172 12:1454 13:360 14:2369 15:318 16:211 17:364 18:765 20:375 21:4 22:188 23:6722 24:2717 25:2 27:2546 29:19 31:2574 32:45 34:63 35:133 36:2304 37:4465 38:7485 39:896 40:125 41:4084 42:2162 43:2351 44:316 45:16988 46:4478 47:307 49:1908 50:1894 51:575 52:1578 54:313 55:997 56:5 57:176 58:2012 59:1193 60:1027 61:2637 62:2680 63:1892 64:5517 65:2345 66:4667 67:2988 68:1320 69:4110 70:1184 71:584 72:2867 74:2585 75:1558 76:615 77:2484 78:1852 79:2524 80:2194 81:2010 82:1595 83:1331 84:1648 85:3156 86:900 87:1995 88:1248 89:4097 90:679 91:8125 92:2300 93:2698 94:3728 95:4191 96:1277 97:316 98:1036 99:742 100:72 101:1169 102:3286 103:32588 104:4765 105:676 106:947 107:2751 108:1146 109:4127 110:2137 111:3253 112:2061 113:1770 114:1786 115:2073 116:1879 117:2651 118:2813 119:1975 120:1766 121:1270 122:2683 123:2202 124:1615 125:2860 126:32 128:1423 129:923 130:1142 131:1833 132:776 133:412 134:1732 135:322 136:1010 137:1037 138:2818 139:1544 140:1386 141:1343 142:1573 143:1508 144:1012 145:363 146:2057 147:1918 148:2509 149:2741 150:1035 151:1329 152:2142 153:525 154:6485 155:1450 156:2278 157:1774 158:1150 159:2329 160:2653 161:1682 162:3548 163:1696 164:1648 165:2141 166:1166 167:1795 168:3900 169:798 170:4877 171:1022 172:3845 173:3038 174:889 175:1204 176:3675 177:4694 178:3711 179:2190 180:2390 181:3745 182:3391 183:1997 184:2262 185:20766 186:4933 187:4447 188:4070 189:4109 190:9410 191:1485 192:10971 193:9101 194:7498 195:5290 196:3163 197:2550 198:5915 199:7825 200:7922 201:6219 202:10218 203:10174 204:4565 205:3704 206:4434 207:3477 208:4134 209:5013 210:4375 211:2523 212:4320 213:3434 214:1068 215:49 216:6825 217:2981 218:1293 219:415 220:1819 221:1033 222:706 223:2217 End of report