IPv4 R&E Routing Table Report 23:05 GMT Tue 23 Jul, 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: 942773 Prefixes after maximum aggregation (per Origin AS): 361865 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 463974 Number of IPv4 prefixes with a valid ROA: 483799 Number of IPv4 prefixes with an invalid ROA: 1288 Number of IPv4 prefixes with no ROA: 457686 Total ASes present in the Internet Routing Table: 75038 Prefixes per ASN: 12.56 Origin-only ASes present in the Internet Routing Table: 64462 Origin ASes announcing only one prefix: 26569 Transit ASes present in the Internet Routing Table: 10576 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 988 Number of instances of unregistered ASNs: 999 Number of 32-bit ASNs allocated by the RIRs: 45032 Number of 32-bit ASNs visible in the Routing Table: 35977 Prefixes from 32-bit ASNs in the Routing Table: 186198 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 551 Number of addresses announced to Internet: 3024618240 Equivalent to 180 /8s, 72 /16s and 3 /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: 310608 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246380 Total APNIC prefixes after maximum aggregation: 72995 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 238239 Unique aggregates announced from the APNIC address blocks: 99881 APNIC Region origin ASes present in the Internet Routing Table: 13432 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 4195 APNIC Region transit ASes present in the Internet Routing Table: 1836 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8919 Number of APNIC addresses announced to Internet: 760401152 Equivalent to 45 /8s, 82 /16s and 205 /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: 276798 Total ARIN prefixes after maximum aggregation: 125087 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281315 Unique aggregates announced from the ARIN address blocks: 134730 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6948 ARIN Region transit ASes present in the Internet Routing Table: 1896 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: 4934 Number of ARIN addresses announced to Internet: 1266989312 Equivalent to 75 /8s, 132 /16s and 185 /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: 265363 Total RIPE prefixes after maximum aggregation: 127738 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260749 Unique aggregates announced from the RIPE address blocks: 165391 RIPE Region origin ASes present in the Internet Routing Table: 28641 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3899 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: 11881 Number of RIPE addresses announced to Internet: 714555648 Equivalent to 42 /8s, 151 /16s and 65 /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: 121830 Total LACNIC prefixes after maximum aggregation: 29126 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119806 Unique aggregates announced from the LACNIC address blocks: 50034 LACNIC Region origin ASes present in the Internet Routing Table: 11133 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2433 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: 9019 Number of LACNIC addresses announced to Internet: 177194240 Equivalent to 10 /8s, 143 /16s and 197 /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: 31414 Total AfriNIC prefixes after maximum aggregation: 6262 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 42113 Unique aggregates announced from the AfriNIC address blocks: 13481 AfriNIC Region origin ASes present in the Internet Routing Table: 1860 AfriNIC Prefixes per ASN: 22.64 AfriNIC Region origin ASes announcing only one prefix: 673 AfriNIC Region transit ASes present in the Internet Routing Table: 357 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: 1224 Number of AfriNIC addresses announced to Internet: 105174784 Equivalent to 6 /8s, 68 /16s and 215 /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 9838 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5658 776 668 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4175 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3957 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3792 511 266 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3240 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2805 857 430 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2198 434 200 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10180 11548 3638 AMAZON-02, US 11492 4632 307 548 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3820 8790 886 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3419 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54899 2505 DNIC-AS-00749, US 16625 3001 1293 2165 AKAMAI-AS, US 7018 2929 23688 1834 ATT-INTERNET4, US 396982 2760 3594 409 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 7710 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3798 3396 129 AKAMAI-ASN1, NL 9009 3586 306 1832 M247, RO 12389 2871 2291 859 ROSTELECOM-AS, RU 34984 2347 361 578 TELLCOM-AS, TR 8551 1778 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1717 123 1256 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1495 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 11874 3306 507 UNINET, MX 10620 3509 491 959 Telmex Colombia S.A., CO 13999 2543 354 674 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 783 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1110 311 475 Axtel, S.A.B. de C.V., MX 6147 1100 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 22884 1067 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1613 389 16 LINKdotNET-AS, EG 24835 1549 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1276 81 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 937 521 43 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 529 82 3 KENET-AS, KE 37342 512 32 1 MOVITEL, MZ 15399 403 56 58 WANANCHI-, 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 11874 3306 507 UNINET, MX 16509 10180 11548 3638 AMAZON-02, US 9808 9838 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7710 1708 145 UNI2-AS, ES 7545 5658 776 668 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4632 307 548 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4175 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3957 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 9838 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7710 7565 UNI2-AS, ES 16509 10180 6542 AMAZON-02, US 7545 5658 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4175 4152 FPT-AS-AP FPT Telecom Company, VN 11492 4632 4084 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3957 3936 VIETEL-AS-AP Viettel Group, VN 20940 3798 3669 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-D 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 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 46639 UNALLOCATED 8.38.73.0/24 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: 6939 HURRICANE, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 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 /9:16 /10:37 /11:92 /12:294 /13:570 /14:1164 /15:2051 /16:13159 /17:8144 /18:13587 /19:24287 /20:43110 /21:51224 /22:110511 /23:99031 /24:575472 /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 6801 7710 UNI2-AS, ES 8151 5933 11874 UNINET, MX 11492 3541 4632 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2558 3419 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2142 3509 Telmex Colombia S.A., CO 16509 2141 10180 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1506 3:378 4:6 5:4380 6:149 7:6 8:1511 9:1 11:172 12:1438 13:361 14:2334 15:323 16:219 17:365 18:786 20:384 21:4 22:188 23:6890 24:2693 25:2 27:2539 29:19 31:2585 32:44 34:65 35:134 36:2321 37:4438 38:8115 39:911 40:149 41:4057 42:1983 43:2342 44:332 45:17319 46:4536 47:300 49:1948 50:1856 51:580 52:1576 54:318 55:926 56:8 57:213 58:2126 59:1173 60:1052 61:2669 62:2750 63:1880 64:5459 65:2283 66:4616 67:3006 68:1308 69:4046 70:1158 71:560 72:2855 74:2595 75:1550 76:617 77:2495 78:1869 79:1785 80:2176 81:2014 82:1662 83:1362 84:1715 85:3181 86:943 87:2028 88:1247 89:4212 90:699 91:8172 92:2337 93:2720 94:3732 95:4196 96:1279 97:317 98:1029 99:739 100:73 101:1163 102:3313 103:30327 104:4766 105:696 106:996 107:2491 108:1153 109:4015 110:2124 111:3198 112:2046 113:1779 114:1690 115:1897 116:1928 117:2643 118:2645 119:1959 120:1775 121:1294 122:2688 123:2218 124:1607 125:2834 126:32 128:1366 129:923 130:1175 131:1874 132:801 133:417 134:1721 135:319 136:1124 137:1042 138:2869 139:1526 140:1418 141:1378 142:1669 143:1622 144:1020 145:358 146:2098 147:2001 148:2539 149:2767 150:1029 151:1337 152:2215 153:522 154:6793 155:1433 156:2202 157:1838 158:1175 159:2428 160:2839 161:1697 162:3517 163:1705 164:1682 165:2120 166:1246 167:1821 168:4030 169:798 170:4933 171:1029 172:3881 173:3059 174:896 175:1239 176:3450 177:4675 178:3598 179:2221 180:2405 181:3791 182:3323 183:1978 184:2255 185:20881 186:4964 187:4379 188:4070 189:4172 190:9493 191:1525 192:11032 193:9169 194:7478 195:5297 196:3188 197:2635 198:5902 199:7972 200:8038 201:6241 202:10147 203:10216 204:4560 205:3619 206:4463 207:3493 208:4148 209:4986 210:4475 211:2533 212:4364 213:3598 214:1064 215:49 216:6730 217:2956 218:1326 219:429 220:1801 221:1037 222:693 223:2201 End of report