IPv4 R&E Routing Table Report 23:05 GMT Wed 02 Apr, 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: 974215 Prefixes after maximum aggregation (per Origin AS): 374562 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 476125 Number of IPv4 prefixes with a valid ROA: 536452 Number of IPv4 prefixes with an invalid ROA: 678 Number of IPv4 prefixes with no ROA: 437085 Total ASes present in the Internet Routing Table: 76566 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65713 Origin ASes announcing only one prefix: 26858 Transit ASes present in the Internet Routing Table: 10853 Transit-only ASes present in the Internet Routing Table: 536 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1015 Number of instances of unregistered ASNs: 1019 Number of 32-bit ASNs allocated by the RIRs: 46124 Number of 32-bit ASNs visible in the Routing Table: 37982 Prefixes from 32-bit ASNs in the Routing Table: 199886 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: 459 Number of addresses announced to Internet: 3107171584 Equivalent to 185 /8s, 51 /16s and 173 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 320181 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254831 Total APNIC prefixes after maximum aggregation: 76377 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246627 Unique aggregates announced from the APNIC address blocks: 102548 APNIC Region origin ASes present in the Internet Routing Table: 14495 APNIC Prefixes per ASN: 17.01 APNIC Region origin ASes announcing only one prefix: 4428 APNIC Region transit ASes present in the Internet Routing Table: 1953 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 56 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10034 Number of APNIC addresses announced to Internet: 748660480 Equivalent to 44 /8s, 159 /16s and 167 /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: 287646 Total ARIN prefixes after maximum aggregation: 128539 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 288815 Unique aggregates announced from the ARIN address blocks: 137205 ARIN Region origin ASes present in the Internet Routing Table: 19197 ARIN Prefixes per ASN: 15.04 ARIN Region origin ASes announcing only one prefix: 7039 ARIN Region transit ASes present in the Internet Routing Table: 1901 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: 5161 Number of ARIN addresses announced to Internet: 1349736448 Equivalent to 80 /8s, 115 /16s and 88 /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: 272425 Total RIPE prefixes after maximum aggregation: 133009 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 270465 Unique aggregates announced from the RIPE address blocks: 173586 RIPE Region origin ASes present in the Internet Routing Table: 28858 RIPE Prefixes per ASN: 9.37 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3968 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: 12349 Number of RIPE addresses announced to Internet: 732016384 Equivalent to 43 /8s, 161 /16s and 175 /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: 123370 Total LACNIC prefixes after maximum aggregation: 29291 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120052 Unique aggregates announced from the LACNIC address blocks: 48769 LACNIC Region origin ASes present in the Internet Routing Table: 11214 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2467 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: 9167 Number of LACNIC addresses announced to Internet: 171629056 Equivalent to 10 /8s, 58 /16s and 218 /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: 34928 Total AfriNIC prefixes after maximum aggregation: 6719 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 47797 Unique aggregates announced from the AfriNIC address blocks: 13626 AfriNIC Region origin ASes present in the Internet Routing Table: 1904 AfriNIC Prefixes per ASN: 25.10 AfriNIC Region origin ASes announcing only one prefix: 691 AfriNIC Region transit ASes present in the Internet Routing Table: 374 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: 1271 Number of AfriNIC addresses announced to Internet: 104897280 Equivalent to 6 /8s, 64 /16s and 155 /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 10306 8753 89 CHINAMOBILE-CN China Mobile Communication 7545 6220 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4252 530 276 BBIL-AP BHARTI Airtel Ltd., IN 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3916 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3673 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3267 1869 103 VNPT-AS-VN VNPT Corp, VN 24560 2846 848 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2205 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2173 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 12981 39643 3998 AMAZON-02, US 11492 4678 310 584 CABLEONE, US 7155 4173 286 83 VIASAT-SP-BACKBONE, US 174 3627 8765 951 COGENT-174, US 6327 3622 1320 81 SHAW, CA 22773 3402 3036 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 2980 1250 2202 AKAMAI-AS, US 396982 2950 3649 467 GOOGLE-CLOUD-PLATFORM, US 36352 2622 216 800 AS-COLOCROSSING, 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 7715 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3898 3395 125 AKAMAI-ASN1, NL 9009 3756 325 1953 M247, RO 12389 3031 2301 894 ROSTELECOM-AS, RU 34984 2365 360 583 TELLCOM-AS, TR 212238 2071 147 1528 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1521 1852 14 TE-AS TE-AS, EG 62240 1492 98 750 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 11899 3241 586 UNINET, MX 10620 3521 486 970 Telmex Colombia S.A., CO 13999 2511 539 364 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1353 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1193 371 21 Telefonica del Peru S.A.A., PE 22884 1050 67 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1048 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1046 374 163 Axtel, S.A.B. de C.V., MX 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 1703 599 30 RAYA-AS, EG 24863 1620 389 18 LINKdotNET-AS, EG 29571 1567 102 23 ORANGE-COTE-IVOIRE, CI 36992 1428 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1006 521 42 Vodafone-, EG 20011 981 185 285 INTERNET-SOLUTIONS, ZA 37069 915 1083 15 MOBINIL, EG 6713 563 1861 35 IAM-AS, MA 36914 547 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 12981 39643 3998 AMAZON-02, US 8151 11899 3241 586 UNINET, MX 9808 10306 8753 89 CHINAMOBILE-CN China Mobile Communication 12479 7715 1714 145 UNI2-AS, ES 7545 6220 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4678 310 584 CABLEONE, US 9498 4252 530 276 BBIL-AP BHARTI Airtel Ltd., IN 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 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 11899 11313 UNINET, MX 9808 10306 10217 CHINAMOBILE-CN China Mobile Communications Grou 12479 7715 7570 UNI2-AS, ES 7545 6220 5563 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4218 4193 FPT-AS-AP FPT Telecom Company, VN 11492 4678 4094 CABLEONE, US 7155 4173 4090 VIASAT-SP-BACKBONE, US 9498 4252 3976 BBIL-AP BHARTI Airtel Ltd., IN 7552 3916 3890 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 212032 UNALLOCATED 5.59.105.0/24 35168 TNS-PLUS-CORE, KZ 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 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 23.140.216.0/24 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 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /10:41 /11:93 /12:302 /13:579 /14:1217 /15:2142 /16:13901 /17:8222 /18:13649 /19:24487 /20:43584 /21:51559 /22:111664 /23:100958 /24:601785 /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 6640 7715 UNI2-AS, ES 8151 6103 11899 UNINET, MX 11492 3531 4678 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3120 4173 VIASAT-SP-BACKBONE, US 22773 2537 3402 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2341 12981 AMAZON-02, US 30036 2201 2540 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2183 3521 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) ---------------------------------------------- 1:2340 2:1503 3:603 4:10 5:4589 6:163 7:6 8:1548 9:1 11:172 12:1372 13:352 14:2507 15:351 16:279 17:361 18:912 20:463 21:4 22:188 23:7309 24:2830 25:2 27:2702 29:19 31:3220 32:37 34:83 35:204 36:2394 37:4670 38:8903 39:899 40:154 41:4131 42:1902 43:2544 44:360 45:18436 46:4940 47:289 49:1958 50:1899 51:590 52:1553 54:300 55:879 56:11 57:249 58:2188 59:1240 60:1171 61:2818 62:2905 63:1826 64:5490 65:2177 66:4594 67:3040 68:1116 69:3971 70:1100 71:612 72:2840 74:2798 75:1660 76:612 77:2708 78:1872 79:1727 80:2195 81:2018 82:3084 83:1416 84:1829 85:3389 86:1043 87:2147 88:1277 89:4322 90:776 91:8316 92:2801 93:2876 94:4037 95:4295 96:1433 97:313 98:991 99:739 100:71 101:1397 102:3725 103:32112 104:4811 105:749 106:988 107:2609 108:1200 109:4093 110:2230 111:3311 112:2039 113:1794 114:1965 115:2120 116:2032 117:2734 118:2836 119:1939 120:1870 121:1360 122:2741 123:2161 124:1609 125:2853 126:88 128:1554 129:945 130:1266 131:1904 132:776 133:451 134:1529 135:329 136:1302 137:1103 138:2892 139:1617 140:1554 141:1484 142:1831 143:1661 144:1067 145:513 146:2150 147:2098 148:2640 149:2890 150:1244 151:1741 152:2096 153:505 154:7891 155:1627 156:2933 157:1895 158:1270 159:2423 160:3556 161:1931 162:3708 163:1958 164:1695 165:2199 166:1432 167:1884 168:4034 169:783 170:5089 171:1002 172:4458 173:3218 174:909 175:1286 176:3686 177:4705 178:3776 179:2305 180:2565 181:4060 182:3368 183:2031 184:2291 185:21479 186:5115 187:4410 188:4187 189:4187 190:9640 191:1478 192:11155 193:9406 194:7784 195:5515 196:3288 197:3613 198:6045 199:8400 200:8044 201:6299 202:10312 203:10515 204:4520 205:3620 206:4569 207:3438 208:4185 209:5143 210:4498 211:2536 212:4489 213:3759 214:1049 215:48 216:6586 217:3073 218:1329 219:378 220:2093 221:1071 222:711 223:2318 End of report