IPv4 R&E Routing Table Report 23:05 GMT Wed 05 Mar, 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: 973475 Prefixes after maximum aggregation (per Origin AS): 373220 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 476141 Number of IPv4 prefixes with a valid ROA: 533784 Number of IPv4 prefixes with an invalid ROA: 1046 Number of IPv4 prefixes with no ROA: 438645 Total ASes present in the Internet Routing Table: 76512 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65655 Origin ASes announcing only one prefix: 26891 Transit ASes present in the Internet Routing Table: 10857 Transit-only ASes present in the Internet Routing Table: 527 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 971 Number of instances of unregistered ASNs: 976 Number of 32-bit ASNs allocated by the RIRs: 46211 Number of 32-bit ASNs visible in the Routing Table: 37866 Prefixes from 32-bit ASNs in the Routing Table: 198957 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 460 Number of addresses announced to Internet: 3110817792 Equivalent to 185 /8s, 107 /16s and 80 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 319240 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255013 Total APNIC prefixes after maximum aggregation: 76043 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246957 Unique aggregates announced from the APNIC address blocks: 102576 APNIC Region origin ASes present in the Internet Routing Table: 14499 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4432 APNIC Region transit ASes present in the Internet Routing Table: 1953 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: 10016 Number of APNIC addresses announced to Internet: 749545728 Equivalent to 44 /8s, 173 /16s and 41 /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, 131072-155961 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: 287525 Total ARIN prefixes after maximum aggregation: 128137 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 288265 Unique aggregates announced from the ARIN address blocks: 136427 ARIN Region origin ASes present in the Internet Routing Table: 19185 ARIN Prefixes per ASN: 15.03 ARIN Region origin ASes announcing only one prefix: 7019 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: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5157 Number of ARIN addresses announced to Internet: 1350009088 Equivalent to 80 /8s, 119 /16s and 129 /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: 271607 Total RIPE prefixes after maximum aggregation: 132311 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 269594 Unique aggregates announced from the RIPE address blocks: 172647 RIPE Region origin ASes present in the Internet Routing Table: 28833 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 12078 RIPE Region transit ASes present in the Internet Routing Table: 3962 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12278 Number of RIPE addresses announced to Internet: 732751360 Equivalent to 43 /8s, 172 /16s and 230 /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: 123241 Total LACNIC prefixes after maximum aggregation: 29274 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120165 Unique aggregates announced from the LACNIC address blocks: 48880 LACNIC Region origin ASes present in the Internet Routing Table: 11197 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2487 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: 9142 Number of LACNIC addresses announced to Internet: 173767424 Equivalent to 10 /8s, 91 /16s and 123 /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: 35118 Total AfriNIC prefixes after maximum aggregation: 6848 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 48034 Unique aggregates announced from the AfriNIC address blocks: 15214 AfriNIC Region origin ASes present in the Internet Routing Table: 1912 AfriNIC Prefixes per ASN: 25.12 AfriNIC Region origin ASes announcing only one prefix: 702 AfriNIC Region transit ASes present in the Internet Routing Table: 373 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273 Number of AfriNIC addresses announced to Internet: 104512000 Equivalent to 6 /8s, 58 /16s and 186 /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 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6214 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4394 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4241 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3688 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3269 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2848 855 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2170 434 197 TATACOMM-AS TATA Communications formerly 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 12992 39646 3930 AMAZON-02, US 11492 4705 312 566 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 174 3472 8768 964 COGENT-174, US 22773 3373 3035 178 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 2953 1252 2178 AKAMAI-AS, US 396982 2937 3660 455 GOOGLE-CLOUD-PLATFORM, US 30036 2550 353 412 MEDIACOM-ENTERPRISE-BUSINESS, 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 7768 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3905 3395 126 AKAMAI-ASN1, NL 9009 3754 321 1924 M247, RO 12389 2984 2304 894 ROSTELECOM-AS, RU 34984 2368 361 580 TELLCOM-AS, TR 212238 2028 146 1499 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1523 1852 14 TE-AS TE-AS, EG 62240 1487 98 746 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 11794 3235 593 UNINET, MX 10620 3548 492 954 Telmex Colombia S.A., CO 13999 2506 539 374 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1168 371 22 Telefonica del Peru S.A.A., PE 6503 1108 374 163 Axtel, S.A.B. de C.V., MX 22884 1048 82 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1019 278 33 Techtel LMDS Comunicaciones Interactivas 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 1683 599 30 RAYA-AS, EG 24863 1618 389 16 LINKdotNET-AS, EG 29571 1577 99 102 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1022 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 867 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 551 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 12992 39646 3930 AMAZON-02, US 8151 11794 3235 593 UNINET, MX 9808 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7768 1714 145 UNI2-AS, ES 7545 6214 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4705 312 566 CABLEONE, US 18403 4394 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4241 530 276 BBIL-AP BHARTI Airtel Ltd., IN 7155 4175 286 83 VIASAT-SP-BACKBONE, 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 11794 11201 UNINET, MX 9808 10324 10236 CHINAMOBILE-CN China Mobile Communications Grou 12479 7768 7623 UNI2-AS, ES 7545 6214 5556 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4394 4369 FPT-AS-AP FPT Telecom Company, VN 11492 4705 4139 CABLEONE, US 7155 4175 4092 VIASAT-SP-BACKBONE, US 9498 4241 3965 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 3895 VIETEL-AS-AP Viettel Group, VN 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 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 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: 3491 CONSOLE-CONNECT-ASN, 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 23.140.216.0/24 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 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 /11:92 /12:304 /13:583 /14:1214 /15:2144 /16:13925 /17:8248 /18:13633 /19:24455 /20:43739 /21:51659 /22:111754 /23:100812 /24:600839 /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 6710 7768 UNI2-AS, ES 8151 5992 11794 UNINET, MX 11492 3555 4705 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2512 3373 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2343 12992 AMAZON-02, US 30036 2211 2550 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2188 3548 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) ---------------------------------------------- 1:2336 2:1503 3:585 4:10 5:4539 6:167 7:6 8:1549 9:1 11:172 12:1375 13:350 14:2512 15:350 16:277 17:361 18:925 20:455 21:4 22:188 23:7275 24:2723 25:2 27:2704 29:19 31:3173 32:35 34:81 35:202 36:2410 37:4599 38:8748 39:898 40:153 41:4212 42:1994 43:2519 44:355 45:18315 46:4991 47:288 49:1979 50:1886 51:583 52:1566 54:301 55:1071 56:9 57:240 58:2217 59:1217 60:1166 61:2821 62:2907 63:1826 64:5510 65:2172 66:4611 67:3035 68:1119 69:3967 70:1103 71:606 72:2866 74:2776 75:1650 76:612 77:2674 78:1860 79:1720 80:2188 81:2008 82:2711 83:1392 84:1809 85:3350 86:1031 87:2154 88:1278 89:4316 90:780 91:8308 92:2794 93:2882 94:3909 95:4253 96:1405 97:318 98:976 99:740 100:71 101:1399 102:3676 103:32281 104:4799 105:741 106:997 107:2585 108:1206 109:4102 110:2227 111:3322 112:2044 113:1799 114:1942 115:2120 116:2037 117:2755 118:2878 119:1942 120:1877 121:1357 122:2754 123:2167 124:1609 125:2883 126:88 128:1550 129:954 130:1264 131:1846 132:782 133:450 134:1529 135:329 136:1307 137:1106 138:2882 139:1629 140:1553 141:1467 142:1827 143:1630 144:1047 145:471 146:2142 147:2074 148:2596 149:2872 150:1240 151:1960 152:2102 153:504 154:7805 155:1613 156:3275 157:1905 158:1271 159:2420 160:3563 161:1922 162:3680 163:1855 164:1696 165:2184 166:1380 167:1876 168:4030 169:786 170:5077 171:999 172:4436 173:3221 174:912 175:1278 176:3656 177:4753 178:3753 179:2242 180:2566 181:4015 182:3370 183:2051 184:2298 185:21437 186:5076 187:4297 188:4206 189:4191 190:9643 191:1533 192:11133 193:9380 194:7734 195:5492 196:3239 197:3755 198:6063 199:8372 200:8010 201:6290 202:10308 203:10528 204:4530 205:3626 206:4555 207:3454 208:4181 209:5172 210:4505 211:2527 212:4498 213:3730 214:1060 215:42 216:6577 217:3103 218:1332 219:374 220:2108 221:1052 222:718 223:2316 End of report