IPv4 R&E Routing Table Report 23:05 GMT Wed 12 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: 974016 Prefixes after maximum aggregation (per Origin AS): 373421 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475960 Number of IPv4 prefixes with a valid ROA: 534301 Number of IPv4 prefixes with an invalid ROA: 1190 Number of IPv4 prefixes with no ROA: 438525 Total ASes present in the Internet Routing Table: 76503 Prefixes per ASN: 12.73 Origin-only ASes present in the Internet Routing Table: 65662 Origin ASes announcing only one prefix: 26848 Transit ASes present in the Internet Routing Table: 10841 Transit-only ASes present in the Internet Routing Table: 525 Paths with bogon ASNs present in the IPv4 Routing Table: 15 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: 984 Number of instances of unregistered ASNs: 988 Number of 32-bit ASNs allocated by the RIRs: 46160 Number of 32-bit ASNs visible in the Routing Table: 37877 Prefixes from 32-bit ASNs in the Routing Table: 198963 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 461 Number of addresses announced to Internet: 3110521856 Equivalent to 185 /8s, 102 /16s and 204 /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: 319712 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255198 Total APNIC prefixes after maximum aggregation: 76106 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 247137 Unique aggregates announced from the APNIC address blocks: 102625 APNIC Region origin ASes present in the Internet Routing Table: 14482 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4404 APNIC Region transit ASes present in the Internet Routing Table: 1947 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10007 Number of APNIC addresses announced to Internet: 749415168 Equivalent to 44 /8s, 171 /16s and 43 /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: 287663 Total ARIN prefixes after maximum aggregation: 128208 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 288549 Unique aggregates announced from the ARIN address blocks: 136521 ARIN Region origin ASes present in the Internet Routing Table: 19184 ARIN Prefixes per ASN: 15.04 ARIN Region origin ASes announcing only one prefix: 7018 ARIN Region transit ASes present in the Internet Routing Table: 1909 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: 5155 Number of ARIN addresses announced to Internet: 1351122944 Equivalent to 80 /8s, 136 /16s and 128 /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: 271700 Total RIPE prefixes after maximum aggregation: 132431 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 269664 Unique aggregates announced from the RIPE address blocks: 173008 RIPE Region origin ASes present in the Internet Routing Table: 28837 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 12066 RIPE Region transit ASes present in the Internet Routing Table: 3965 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: 12292 Number of RIPE addresses announced to Internet: 732085248 Equivalent to 43 /8s, 162 /16s and 188 /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: 123345 Total LACNIC prefixes after maximum aggregation: 29220 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120253 Unique aggregates announced from the LACNIC address blocks: 48865 LACNIC Region origin ASes present in the Internet Routing Table: 11205 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2473 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: 9150 Number of LACNIC addresses announced to Internet: 172751104 Equivalent to 10 /8s, 75 /16s and 249 /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: 35126 Total AfriNIC prefixes after maximum aggregation: 6836 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 47952 Unique aggregates announced from the AfriNIC address blocks: 14541 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 25.12 AfriNIC Region origin ASes announcing only one prefix: 696 AfriNIC Region transit ASes present in the Internet Routing Table: 369 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: 104911616 Equivalent to 6 /8s, 64 /16s and 211 /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 10325 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6212 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4394 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4254 530 277 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3689 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3272 1869 103 VNPT-AS-VN VNPT Corp, VN 24560 2841 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2172 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 12918 39641 3951 AMAZON-02, US 11492 4673 310 589 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 174 3689 8767 952 COGENT-174, US 6327 3622 1320 81 SHAW, CA 22773 3380 3035 181 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 2960 1250 2184 AKAMAI-AS, US 396982 2944 3660 457 GOOGLE-CLOUD-PLATFORM, US 30036 2546 350 418 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 7756 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3899 3395 126 AKAMAI-ASN1, NL 9009 3756 321 1936 M247, RO 12389 2978 2303 889 ROSTELECOM-AS, RU 34984 2370 361 582 TELLCOM-AS, TR 212238 2032 145 1498 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1515 1852 14 TE-AS TE-AS, EG 62240 1486 98 745 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 11821 3240 586 UNINET, MX 10620 3523 487 970 Telmex Colombia S.A., CO 13999 2503 538 370 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 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1195 371 22 Telefonica del Peru S.A.A., PE 11664 1155 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1106 359 174 Axtel, S.A.B. de C.V., MX 22884 1049 67 374 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 24835 1683 599 30 RAYA-AS, EG 24863 1619 389 16 LINKdotNET-AS, EG 29571 1583 100 105 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 855 1083 15 MOBINIL, EG 6713 559 1861 35 IAM-AS, MA 36914 537 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 12918 39641 3951 AMAZON-02, US 8151 11821 3240 586 UNINET, MX 9808 10325 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7756 1714 145 UNI2-AS, ES 7545 6212 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4673 310 589 CABLEONE, US 18403 4394 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4254 530 277 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 11821 11235 UNINET, MX 9808 10325 10237 CHINAMOBILE-CN China Mobile Communications Grou 12479 7756 7611 UNI2-AS, ES 7545 6212 5554 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4394 4369 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4092 VIASAT-SP-BACKBONE, US 11492 4673 4084 CABLEONE, US 9498 4254 3977 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 3896 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 23.135.220.0/24 Origin: 215364 INFINITRON-INTERNET Infinitron Internet, 23.135.220.0/24 Transit: 207841 INFERNO, GB 23.138.40.0/22 Origin: 964 IONSWITCH-NW, US 23.138.40.0/22 Transit: 20055 AS-WHOLESAIL, US 23.138.41.0/24 Origin: 964 IONSWITCH-NW, US 23.138.41.0/24 Transit: 20055 AS-WHOLESAIL, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /15:2143 /16:13938 /17:8234 /18:13641 /19:24450 /20:43664 /21:51565 /22:111521 /23:100876 /24:601717 /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 6694 7756 UNI2-AS, ES 8151 6014 11821 UNINET, MX 11492 3527 4673 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2517 3380 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2332 12918 AMAZON-02, US 30036 2207 2546 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2184 3523 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) ---------------------------------------------- 1:2346 2:1501 3:588 4:10 5:4541 6:162 7:6 8:1551 9:1 11:172 12:1374 13:347 14:2519 15:349 16:279 17:361 18:921 20:462 21:4 22:188 23:7281 24:3018 25:2 27:2699 29:19 31:3197 32:35 34:82 35:203 36:2406 37:4600 38:8942 39:897 40:158 41:4239 42:1996 43:2542 44:355 45:18334 46:5009 47:288 49:1990 50:1883 51:591 52:1555 54:302 55:1055 56:9 57:243 58:2218 59:1229 60:1165 61:2821 62:2914 63:1815 64:5489 65:2160 66:4594 67:3009 68:1119 69:3928 70:1109 71:611 72:2860 74:2773 75:1655 76:613 77:2685 78:1849 79:1732 80:2186 81:2011 82:2764 83:1390 84:1808 85:3365 86:1033 87:2153 88:1282 89:4324 90:784 91:8306 92:2786 93:2895 94:3902 95:4249 96:1410 97:317 98:987 99:738 100:71 101:1388 102:3649 103:32233 104:4787 105:741 106:999 107:2585 108:1199 109:4112 110:2228 111:3323 112:2036 113:1798 114:1943 115:2118 116:2038 117:2756 118:2876 119:1945 120:1876 121:1357 122:2735 123:2164 124:1607 125:2884 126:86 128:1543 129:965 130:1264 131:1855 132:769 133:451 134:1527 135:330 136:1273 137:1110 138:2884 139:1615 140:1552 141:1475 142:1822 143:1636 144:1057 145:477 146:2145 147:2075 148:2596 149:2873 150:1235 151:1951 152:2108 153:504 154:7743 155:1625 156:3261 157:1907 158:1272 159:2425 160:3541 161:1929 162:3671 163:1883 164:1696 165:2189 166:1395 167:1879 168:4028 169:784 170:5074 171:999 172:4428 173:3222 174:911 175:1277 176:3656 177:4811 178:3784 179:2323 180:2563 181:4034 182:3367 183:2075 184:2298 185:21446 186:5104 187:4364 188:4202 189:4210 190:9628 191:1503 192:11150 193:9394 194:7749 195:5519 196:3260 197:3749 198:6074 199:8374 200:8035 201:6337 202:10350 203:10525 204:4499 205:3619 206:4547 207:3441 208:4174 209:5155 210:4544 211:2533 212:4497 213:3726 214:1059 215:42 216:6582 217:3104 218:1326 219:374 220:2105 221:1053 222:719 223:2319 End of report