IPv4 R&E Routing Table Report 23:05 GMT Thu 07 Mar, 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: 934013 Prefixes after maximum aggregation (per Origin AS): 357312 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458082 Number of IPv4 prefixes with a valid ROA: 450747 Number of IPv4 prefixes with an invalid ROA: 1086 Number of IPv4 prefixes with no ROA: 482180 Total ASes present in the Internet Routing Table: 75319 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64825 Origin ASes announcing only one prefix: 26588 Transit ASes present in the Internet Routing Table: 10494 Transit-only ASes present in the Internet Routing Table: 471 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1064 Number of instances of unregistered ASNs: 1066 Number of 32-bit ASNs allocated by the RIRs: 43780 Number of 32-bit ASNs visible in the Routing Table: 35954 Prefixes from 32-bit ASNs in the Routing Table: 181405 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: 535 Number of addresses announced to Internet: 3040666624 Equivalent to 181 /8s, 60 /16s and 228 /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: 308309 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246469 Total APNIC prefixes after maximum aggregation: 72167 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 239267 Unique aggregates announced from the APNIC address blocks: 99781 APNIC Region origin ASes present in the Internet Routing Table: 13936 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 4223 APNIC Region transit ASes present in the Internet Routing Table: 1849 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9369 Number of APNIC addresses announced to Internet: 774180608 Equivalent to 46 /8s, 37 /16s and 15 /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: 272518 Total ARIN prefixes after maximum aggregation: 123553 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277194 Unique aggregates announced from the ARIN address blocks: 132594 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1904 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4853 Number of ARIN addresses announced to Internet: 1269990912 Equivalent to 75 /8s, 178 /16s and 134 /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: 262767 Total RIPE prefixes after maximum aggregation: 126024 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257424 Unique aggregates announced from the RIPE address blocks: 162316 RIPE Region origin ASes present in the Internet Routing Table: 28554 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12115 RIPE Region transit ASes present in the Internet Routing Table: 3899 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11637 Number of RIPE addresses announced to Internet: 712565504 Equivalent to 42 /8s, 120 /16s and 227 /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: 120776 Total LACNIC prefixes after maximum aggregation: 28784 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119314 Unique aggregates announced from the LACNIC address blocks: 49533 LACNIC Region origin ASes present in the Internet Routing Table: 11062 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2626 LACNIC Region transit ASes present in the Internet Routing Table: 2352 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8911 Number of LACNIC addresses announced to Internet: 177390848 Equivalent to 10 /8s, 146 /16s and 197 /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: 30419 Total AfriNIC prefixes after maximum aggregation: 6059 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40279 Unique aggregates announced from the AfriNIC address blocks: 13423 AfriNIC Region origin ASes present in the Internet Routing Table: 1823 AfriNIC Prefixes per ASN: 22.09 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 346 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: 1184 Number of AfriNIC addresses announced to Internet: 106237696 Equivalent to 6 /8s, 85 /16s and 15 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5648 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4601 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3852 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2750 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 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 9633 11305 3349 AMAZON-02, US 11492 4578 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3601 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 174 3218 6644 671 COGENT-174, US 749 3199 54920 2451 DNIC-AS-00749, US 16625 3176 1379 2276 AKAMAI-AS, US 367 2924 3649 1414 DNIC-ASBLK-00306-00371, US 396982 2753 3638 403 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 7618 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3865 3395 126 AKAMAI-ASN1, NL 9009 3273 284 1593 M247, RO 12389 2892 2304 906 ROSTELECOM-AS, RU 8551 2649 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2353 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1520 1852 14 TE-AS TE-AS, EG 44477 1490 97 711 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 12512 3350 589 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2504 338 650 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1066 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 1520 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1163 75 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 533 56 54 WANANCHI-, KE 36914 492 82 3 KENET-AS, KE 24757 423 73 5 EthioNet-AS, ET 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 12512 3350 589 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9633 11305 3349 AMAZON-02, US 12479 7618 1714 147 UNI2-AS, ES 7545 5648 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4601 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4578 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3865 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7618 7471 UNI2-AS, ES 16509 9633 6284 AMAZON-02, US 7545 5648 4976 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4601 4576 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4578 3929 CABLEONE, US 7552 3852 3832 VIETEL-AS-AP Viettel Group, VN 20940 3865 3739 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 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 395195 UNALLOCATED 8.38.115.0/24 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 23.173.56.0/24 Origin: 399503 AMERICOM, US 23.173.56.0/24 Transit: 174 COGENT-174, 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 /12:299 /13:573 /14:1191 /15:2058 /16:13338 /17:8108 /18:13573 /19:24519 /20:43087 /21:50788 /22:110032 /23:98035 /24:568240 /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 6732 7618 UNI2-AS, ES 8151 6470 12512 UNINET, MX 11492 3491 4578 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2648 3601 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2125 2649 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) ---------------------------------------------- 1:2288 2:1562 3:309 4:6 5:4500 6:161 7:6 8:1495 9:1 11:172 12:1468 13:380 14:2352 15:314 16:208 17:368 18:738 20:354 21:4 22:188 23:6616 24:2697 25:2 27:2629 29:19 31:2640 32:46 34:45 35:122 36:2196 37:4499 38:7076 39:894 40:140 41:4079 42:2197 43:2310 44:326 45:16837 46:4356 47:288 49:1895 50:1899 51:575 52:1581 54:307 55:858 56:5 57:150 58:1970 59:1121 60:1022 61:2609 62:2691 63:1902 64:5511 65:2324 66:4667 67:3049 68:1337 69:4043 70:1197 71:574 72:2897 74:2578 75:1549 76:631 77:2404 78:1839 79:2471 80:2152 81:1927 82:1504 83:1249 84:1641 85:3084 86:832 87:1969 88:1232 89:4001 90:683 91:7975 92:2179 93:2630 94:3643 95:4113 96:1288 97:312 98:1036 99:743 100:91 101:1162 102:3097 103:32473 104:4751 105:626 106:928 107:2762 108:1129 109:4047 110:2138 111:3164 112:2058 113:1761 114:1769 115:1999 116:1938 117:2620 118:2820 119:1952 120:1786 121:1268 122:2674 123:2195 124:1606 125:2836 126:28 128:1444 129:915 130:1086 131:1808 132:807 133:410 134:1710 135:312 136:932 137:1028 138:2796 139:1553 140:1365 141:1355 142:1553 143:1497 144:1012 145:341 146:2025 147:1696 148:2490 149:2564 150:1082 151:1322 152:1975 153:525 154:5861 155:1357 156:2235 157:1575 158:1098 159:2231 160:2577 161:1630 162:3594 163:1709 164:1620 165:2107 166:1069 167:1705 168:3942 169:784 170:4716 171:989 172:3838 173:3018 174:898 175:1217 176:3642 177:4449 178:3562 179:2218 180:2369 181:3640 182:3398 183:2026 184:2261 185:20579 186:4913 187:4405 188:4003 189:4069 190:9285 191:1428 192:10955 193:9012 194:7431 195:5256 196:3131 197:2546 198:5902 199:7371 200:8047 201:6351 202:10207 203:10124 204:4538 205:3675 206:4433 207:3408 208:4135 209:4957 210:4376 211:2483 212:4281 213:3407 214:1106 215:44 216:6749 217:2808 218:1313 219:409 220:1828 221:1023 222:695 223:2204 End of report