IPv4 R&E Routing Table Report 23:05 GMT Fri 10 Jan, 2025 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: 967400 Prefixes after maximum aggregation (per Origin AS): 369757 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469804 Number of IPv4 prefixes with a valid ROA: 521167 Number of IPv4 prefixes with an invalid ROA: 1010 Number of IPv4 prefixes with no ROA: 445223 Total ASes present in the Internet Routing Table: 76361 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65517 Origin ASes announcing only one prefix: 26848 Transit ASes present in the Internet Routing Table: 10844 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1066 Number of instances of unregistered ASNs: 1071 Number of 32-bit ASNs allocated by the RIRs: 46000 Number of 32-bit ASNs visible in the Routing Table: 37577 Prefixes from 32-bit ASNs in the Routing Table: 196672 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3119025152 Equivalent to 185 /8s, 232 /16s and 140 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 316315 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254195 Total APNIC prefixes after maximum aggregation: 76032 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245984 Unique aggregates announced from the APNIC address blocks: 102381 APNIC Region origin ASes present in the Internet Routing Table: 14419 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4420 APNIC Region transit ASes present in the Internet Routing Table: 1931 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 47 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9932 Number of APNIC addresses announced to Internet: 757006080 Equivalent to 45 /8s, 30 /16s and 255 /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: 285066 Total ARIN prefixes after maximum aggregation: 126294 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286842 Unique aggregates announced from the ARIN address blocks: 132555 ARIN Region origin ASes present in the Internet Routing Table: 19161 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 6998 ARIN Region transit ASes present in the Internet Routing Table: 1917 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5097 Number of ARIN addresses announced to Internet: 1347095040 Equivalent to 80 /8s, 75 /16s and 10 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 269671 Total RIPE prefixes after maximum aggregation: 130854 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266684 Unique aggregates announced from the RIPE address blocks: 170365 RIPE Region origin ASes present in the Internet Routing Table: 28808 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12095 RIPE Region transit ASes present in the Internet Routing Table: 3956 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12180 Number of RIPE addresses announced to Internet: 732893952 Equivalent to 43 /8s, 175 /16s and 19 /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, 53/8, 57/8, 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: 123023 Total LACNIC prefixes after maximum aggregation: 29292 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120466 Unique aggregates announced from the LACNIC address blocks: 48833 LACNIC Region origin ASes present in the Internet Routing Table: 11170 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2492 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9104 Number of LACNIC addresses announced to Internet: 177452800 Equivalent to 10 /8s, 147 /16s and 183 /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: 34379 Total AfriNIC prefixes after maximum aggregation: 6615 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 46914 Unique aggregates announced from the AfriNIC address blocks: 15242 AfriNIC Region origin ASes present in the Internet Routing Table: 1907 AfriNIC Prefixes per ASN: 24.60 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 364 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1264 Number of AfriNIC addresses announced to Internet: 104314624 Equivalent to 6 /8s, 55 /16s and 183 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10232 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6198 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4329 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4079 524 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3917 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3672 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2820 845 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 434 195 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 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 12616 38898 3296 AMAZON-02, US 11492 4693 312 549 CABLEONE, US 7155 4169 287 85 VIASAT-SP-BACKBONE, US 174 4165 8761 869 COGENT-174, US 6327 3615 1320 79 SHAW, CA 22773 3381 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 396982 2894 3656 440 GOOGLE-CLOUD-PLATFORM, US 16625 2883 1240 2133 AKAMAI-AS, US 7018 2741 23260 1864 ATT-INTERNET4, 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 7664 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3901 3395 125 AKAMAI-ASN1, NL 9009 3762 323 1901 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2370 360 575 TELLCOM-AS, TR 212238 1885 135 1392 CDNEXT, GB 8452 1629 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1498 99 751 CLOUVIDER Clouvider - Global ASN, 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 11476 3226 609 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2533 538 368 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1167 374 163 Axtel, S.A.B. de C.V., MX 6147 1113 371 22 Telefonica del Peru S.A.A., PE 22884 1074 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1001 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 1669 593 29 RAYA-AS, EG 24863 1645 389 18 LINKdotNET-AS, EG 29571 1585 100 68 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 559 1861 35 IAM-AS, MA 36914 542 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 16509 12616 38898 3296 AMAZON-02, US 8151 11476 3226 609 UNINET, MX 9808 10232 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7664 1709 143 UNI2-AS, ES 7545 6198 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4693 312 549 CABLEONE, US 18403 4329 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 85 VIASAT-SP-BACKBONE, US 174 4165 8761 869 COGENT-174, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11476 10867 UNINET, MX 9808 10232 10145 CHINAMOBILE-CN China Mobile Communications Grou 12479 7664 7521 UNI2-AS, ES 7545 6198 5534 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4329 4306 FPT-AS-AP FPT Telecom Company, VN 11492 4693 4144 CABLEONE, US 7155 4169 4084 VIASAT-SP-BACKBONE, US 7552 3917 3892 VIETEL-AS-AP Viettel Group, VN 9498 4079 3805 BBIL-AP BHARTI Airtel Ltd., IN 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 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 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 CONSOLE-CONNECT-ASN, US 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /10:42 /11:93 /12:311 /13:589 /14:1218 /15:2148 /16:13949 /17:8208 /18:13641 /19:24451 /20:43663 /21:51717 /22:111681 /23:100100 /24:595557 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6629 7664 UNI2-AS, ES 8151 5710 11476 UNINET, MX 11492 3555 4693 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3117 4169 VIASAT-SP-BACKBONE, US 22773 2517 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2254 12616 AMAZON-02, US 30036 2233 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3538 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) ---------------------------------------------- 1:2296 2:1541 3:547 4:9 5:4506 6:165 7:6 8:1551 9:1 11:172 12:1388 13:357 14:2485 15:334 16:270 17:358 18:906 20:449 21:4 22:188 23:7160 24:2732 25:2 27:2657 29:19 31:3048 32:37 34:72 35:177 36:2393 37:4501 38:9045 39:882 40:155 41:4159 42:1976 43:2498 44:344 45:18036 46:4944 47:292 49:2002 50:1866 51:587 52:1571 54:307 55:1030 56:8 57:234 58:2202 59:1181 60:1160 61:2835 62:2916 63:1829 64:5410 65:2207 66:4617 67:3016 68:1228 69:3984 70:1104 71:600 72:2855 74:2780 75:1633 76:633 77:2593 78:1845 79:1706 80:2212 81:2035 82:1829 83:1415 84:1795 85:3273 86:983 87:2154 88:1269 89:4331 90:755 91:8307 92:2758 93:2841 94:3835 95:4163 96:1264 97:311 98:1006 99:733 100:71 101:1369 102:3503 103:32304 104:4545 105:743 106:1012 107:2602 108:1184 109:4067 110:2226 111:3287 112:2037 113:1788 114:1933 115:2115 116:2022 117:2729 118:2875 119:1950 120:1866 121:1348 122:2726 123:2159 124:1589 125:2849 126:62 128:1566 129:937 130:1246 131:1872 132:802 133:450 134:1512 135:322 136:1335 137:1093 138:2889 139:1545 140:1524 141:1460 142:1819 143:1596 144:1038 145:465 146:2120 147:2034 148:2588 149:2845 150:1195 151:1613 152:2112 153:500 154:7879 155:1591 156:3379 157:1876 158:1254 159:2428 160:3470 161:1781 162:3616 163:1771 164:1689 165:2157 166:1340 167:1863 168:4073 169:794 170:5048 171:998 172:3999 173:3165 174:914 175:1278 176:3575 177:4842 178:3722 179:2223 180:2525 181:3971 182:3349 183:2075 184:2264 185:21330 186:5053 187:4223 188:4234 189:4049 190:9579 191:1549 192:11207 193:9311 194:7671 195:5414 196:3242 197:3583 198:5992 199:8275 200:8095 201:6286 202:10291 203:10448 204:4555 205:3632 206:4614 207:3485 208:4190 209:5094 210:4521 211:2516 212:4515 213:3738 214:1055 215:48 216:6582 217:3082 218:1331 219:376 220:2107 221:1048 222:716 223:2302 End of report