IPv4 R&E Routing Table Report 23:05 GMT Mon 19 Feb, 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: 933112 Prefixes after maximum aggregation (per Origin AS): 356741 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 456920 Number of IPv4 prefixes with a valid ROA: 446634 Number of IPv4 prefixes with an invalid ROA: 1059 Number of IPv4 prefixes with no ROA: 485419 Total ASes present in the Internet Routing Table: 75207 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64686 Origin ASes announcing only one prefix: 26565 Transit ASes present in the Internet Routing Table: 10521 Transit-only ASes present in the Internet Routing Table: 480 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 43680 Number of 32-bit ASNs visible in the Routing Table: 35819 Prefixes from 32-bit ASNs in the Routing Table: 180458 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3041260288 Equivalent to 181 /8s, 69 /16s and 243 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 309230 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245596 Total APNIC prefixes after maximum aggregation: 72059 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238424 Unique aggregates announced from the APNIC address blocks: 100006 APNIC Region origin ASes present in the Internet Routing Table: 13877 APNIC Prefixes per ASN: 17.18 APNIC Region origin ASes announcing only one prefix: 4183 APNIC Region transit ASes present in the Internet Routing Table: 1847 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9307 Number of APNIC addresses announced to Internet: 774056960 Equivalent to 46 /8s, 35 /16s and 44 /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: 273384 Total ARIN prefixes after maximum aggregation: 123557 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278135 Unique aggregates announced from the ARIN address blocks: 132095 ARIN Region origin ASes present in the Internet Routing Table: 19048 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1899 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: 4838 Number of ARIN addresses announced to Internet: 1269310208 Equivalent to 75 /8s, 168 /16s and 35 /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, 393216-401308 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: 261988 Total RIPE prefixes after maximum aggregation: 125638 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256771 Unique aggregates announced from the RIPE address blocks: 161677 RIPE Region origin ASes present in the Internet Routing Table: 28534 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12109 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11590 Number of RIPE addresses announced to Internet: 713519104 Equivalent to 42 /8s, 135 /16s and 112 /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: 120580 Total LACNIC prefixes after maximum aggregation: 28725 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119133 Unique aggregates announced from the LACNIC address blocks: 49542 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2364 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8910 Number of LACNIC addresses announced to Internet: 177876992 Equivalent to 10 /8s, 154 /16s and 48 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30504 Total AfriNIC prefixes after maximum aggregation: 6056 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 40140 Unique aggregates announced from the AfriNIC address blocks: 13175 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1174 Number of AfriNIC addresses announced to Internet: 106197504 Equivalent to 6 /8s, 84 /16s and 114 /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 9817 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4603 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3869 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3502 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3287 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2719 861 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 434 197 TATACOMM-AS TATA Communications formerl 45090 2149 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 9583 11220 3361 AMAZON-02, US 11492 4581 304 652 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 22773 3606 3043 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3203 1394 2285 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3139 6637 667 COGENT-174, US 367 2895 3674 1403 DNIC-ASBLK-00306-00371, US 396982 2755 3639 396 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 7610 1714 147 UNI2-AS, ES 39891 4694 282 59 ALJAWWALSTC-AS, SA 20940 3874 3395 126 AKAMAI-ASN1, NL 9009 3281 284 1591 M247, RO 12389 2893 2304 908 ROSTELECOM-AS, RU 8551 2653 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2348 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1500 1852 14 TE-AS TE-AS, EG 44477 1487 97 709 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 12459 3390 609 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2510 341 649 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1328 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 340 496 Axtel, S.A.B. de C.V., MX 11664 1139 179 425 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1550 389 16 LINKdotNET-AS, EG 24835 1547 545 28 RAYA-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1139 73 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 535 82 3 KENET-AS, KE 15399 522 55 51 WANANCHI-, KE 37342 486 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 12459 3390 609 UNINET, MX 9808 9817 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9583 11220 3361 AMAZON-02, US 12479 7610 1714 147 UNI2-AS, ES 7545 5676 784 681 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4694 282 59 ALJAWWALSTC-AS, SA 18403 4603 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4581 304 652 CABLEONE, US 7155 4178 288 96 VIASAT-SP-BACKBONE, US 20940 3874 3395 126 AKAMAI-ASN1, NL 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 9817 9766 CHINAMOBILE-CN China Mobile Communications Grou 12479 7610 7463 UNI2-AS, ES 16509 9583 6222 AMAZON-02, US 7545 5676 4995 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4694 4635 ALJAWWALSTC-AS, SA 18403 4603 4578 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4082 VIASAT-SP-BACKBONE, US 11492 4581 3929 CABLEONE, US 7552 3869 3848 VIETEL-AS-AP Viettel Group, VN 20940 3874 3748 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 LIGHTOWER, 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 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /11:98 /12:300 /13:572 /14:1190 /15:2057 /16:13337 /17:8107 /18:13564 /19:24633 /20:43142 /21:51096 /22:109709 /23:98698 /24:566535 /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 6726 7610 UNI2-AS, ES 8151 6415 12459 UNINET, MX 11492 3495 4581 CABLEONE, US 6327 3393 3595 SHAW, CA 39891 3376 4694 ALJAWWALSTC-AS, SA 7155 3122 4178 VIASAT-SP-BACKBONE, US 22773 2652 3606 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2144 2487 MEDIACOM-ENTERPRISE-BUSINESS, US 8551 2129 2653 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2128 3522 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1509 3:296 4:6 5:4472 6:164 7:6 8:1495 9:1 11:172 12:1467 13:379 14:2350 15:311 16:204 17:363 18:732 20:356 21:4 22:188 23:6579 24:2701 25:2 27:2621 29:19 31:2551 32:45 34:39 35:121 36:2173 37:4490 38:6898 39:900 40:140 41:4050 42:2203 43:2293 44:330 45:16814 46:4338 47:286 49:1907 50:1894 51:570 52:1585 54:336 55:878 56:5 57:146 58:1964 59:1146 60:1019 61:2627 62:2669 63:1912 64:5467 65:2329 66:4824 67:3041 68:1336 69:4078 70:1197 71:578 72:2909 74:2633 75:1554 76:630 77:2387 78:1840 79:2469 80:2130 81:1896 82:1521 83:1241 84:1647 85:3079 86:777 87:1969 88:1226 89:3975 90:676 91:7917 92:2187 93:2623 94:3640 95:4069 96:1286 97:313 98:1029 99:744 100:92 101:1156 102:3094 103:32421 104:4762 105:598 106:919 107:2760 108:1127 109:4040 110:2145 111:3161 112:2044 113:1739 114:1753 115:1979 116:1946 117:2643 118:2760 119:1944 120:1785 121:1256 122:2643 123:2187 124:1605 125:2830 126:28 128:1455 129:914 130:1085 131:1820 132:813 133:412 134:1701 135:311 136:916 137:1019 138:2773 139:1539 140:1365 141:1350 142:1556 143:1461 144:1010 145:342 146:2005 147:1691 148:2509 149:2497 150:1024 151:1324 152:1977 153:528 154:5691 155:1369 156:2089 157:1523 158:1095 159:2198 160:2596 161:1627 162:3615 163:1695 164:1629 165:2105 166:1063 167:1702 168:3816 169:791 170:4694 171:999 172:3834 173:3011 174:895 175:1218 176:3636 177:4533 178:3553 179:2186 180:2365 181:3687 182:3414 183:1983 184:2265 185:20613 186:4835 187:4374 188:4012 189:4080 190:9300 191:1412 192:10968 193:8990 194:7391 195:5248 196:3148 197:2655 198:5900 199:7174 200:8059 201:6301 202:10193 203:10111 204:4538 205:3714 206:4408 207:3409 208:4115 209:4939 210:4362 211:2507 212:4272 213:3395 214:1115 215:44 216:6761 217:2795 218:1315 219:423 220:1824 221:1020 222:693 223:2199 End of report