IPv4 R&E Routing Table Report 23:05 GMT Thu 03 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: 974731 Prefixes after maximum aggregation (per Origin AS): 374561 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 476154 Number of IPv4 prefixes with a valid ROA: 536161 Number of IPv4 prefixes with an invalid ROA: 701 Number of IPv4 prefixes with no ROA: 437869 Total ASes present in the Internet Routing Table: 76591 Prefixes per ASN: 12.73 Origin-only ASes present in the Internet Routing Table: 65744 Origin ASes announcing only one prefix: 26892 Transit ASes present in the Internet Routing Table: 10847 Transit-only ASes present in the Internet Routing Table: 538 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: 1012 Number of instances of unregistered ASNs: 1016 Number of 32-bit ASNs allocated by the RIRs: 46145 Number of 32-bit ASNs visible in the Routing Table: 37998 Prefixes from 32-bit ASNs in the Routing Table: 199894 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: 462 Number of addresses announced to Internet: 3106992128 Equivalent to 185 /8s, 48 /16s and 240 /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: 320454 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254961 Total APNIC prefixes after maximum aggregation: 76398 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246703 Unique aggregates announced from the APNIC address blocks: 102583 APNIC Region origin ASes present in the Internet Routing Table: 14511 APNIC Prefixes per ASN: 17.00 APNIC Region origin ASes announcing only one prefix: 4436 APNIC Region transit ASes present in the Internet Routing Table: 1955 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: 10047 Number of APNIC addresses announced to Internet: 748544512 Equivalent to 44 /8s, 157 /16s and 226 /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: 287764 Total ARIN prefixes after maximum aggregation: 128484 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 288744 Unique aggregates announced from the ARIN address blocks: 137190 ARIN Region origin ASes present in the Internet Routing Table: 19196 ARIN Prefixes per ASN: 15.04 ARIN Region origin ASes announcing only one prefix: 7040 ARIN Region transit ASes present in the Internet Routing Table: 1898 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: 5164 Number of ARIN addresses announced to Internet: 1349737216 Equivalent to 80 /8s, 115 /16s and 91 /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: 272472 Total RIPE prefixes after maximum aggregation: 133017 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 270472 Unique aggregates announced from the RIPE address blocks: 173581 RIPE Region origin ASes present in the Internet Routing Table: 28864 RIPE Prefixes per ASN: 9.37 RIPE Region origin ASes announcing only one prefix: 12059 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: 12349 Number of RIPE addresses announced to Internet: 731805696 Equivalent to 43 /8s, 158 /16s and 120 /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: 123298 Total LACNIC prefixes after maximum aggregation: 29309 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119988 Unique aggregates announced from the LACNIC address blocks: 48788 LACNIC Region origin ASes present in the Internet Routing Table: 11216 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2665 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: 9169 Number of LACNIC addresses announced to Internet: 171690752 Equivalent to 10 /8s, 59 /16s and 203 /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: 35224 Total AfriNIC prefixes after maximum aggregation: 6724 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 48362 Unique aggregates announced from the AfriNIC address blocks: 13618 AfriNIC Region origin ASes present in the Internet Routing Table: 1902 AfriNIC Prefixes per ASN: 25.43 AfriNIC Region origin ASes announcing only one prefix: 692 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: 1269 Number of AfriNIC addresses announced to Internet: 104978176 Equivalent to 6 /8s, 65 /16s and 215 /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 10308 8753 89 CHINAMOBILE-CN China Mobile Communication 7545 6221 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4252 530 276 BBIL-AP BHARTI Airtel Ltd., IN 18403 4220 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 3265 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2847 849 536 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 12986 39641 3968 AMAZON-02, US 11492 4685 311 584 CABLEONE, US 7155 4173 286 83 VIASAT-SP-BACKBONE, US 174 3625 8765 951 COGENT-174, US 6327 3622 1320 81 SHAW, CA 22773 3400 3036 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 2982 1250 2203 AKAMAI-AS, US 396982 2950 3649 467 GOOGLE-CLOUD-PLATFORM, US 36352 2620 216 798 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 7709 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3897 3395 125 AKAMAI-ASN1, NL 9009 3762 325 1958 M247, RO 12389 3076 2303 895 ROSTELECOM-AS, RU 34984 2365 360 583 TELLCOM-AS, TR 212238 2081 148 1533 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 11907 3242 584 UNINET, MX 10620 3522 486 970 Telmex Colombia S.A., CO 13999 2512 539 364 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 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1195 371 22 Telefonica del Peru S.A.A., PE 22884 1050 67 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1049 374 163 Axtel, S.A.B. de C.V., MX 11664 1048 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 1703 599 30 RAYA-AS, EG 24863 1631 389 16 LINKdotNET-AS, EG 29571 1566 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 560 1861 35 IAM-AS, MA 36914 553 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 12986 39641 3968 AMAZON-02, US 8151 11907 3242 584 UNINET, MX 9808 10308 8753 89 CHINAMOBILE-CN China Mobile Communication 12479 7709 1714 145 UNI2-AS, ES 7545 6221 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4685 311 584 CABLEONE, US 9498 4252 530 276 BBIL-AP BHARTI Airtel Ltd., IN 18403 4220 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 11907 11323 UNINET, MX 9808 10308 10219 CHINAMOBILE-CN China Mobile Communications Grou 12479 7709 7564 UNI2-AS, ES 7545 6221 5563 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4220 4195 FPT-AS-AP FPT Telecom Company, VN 11492 4685 4101 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 23.136.212.0/24 Origin: 401578 VIRTUALDROPLET, CA 23.136.212.0/24 Transit: 47272 HYEHOST HYEHOST Hosting Solutions, GB 23.136.220.0/24 Origin: 395878 SERVOSPHERE LLC, US 23.136.220.0/24 Transit: 20473 AS-VULTR, 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 /10:41 /11:93 /12:302 /13:579 /14:1217 /15:2140 /16:13890 /17:8230 /18:13651 /19:24478 /20:43587 /21:51564 /22:111633 /23:101013 /24:602281 /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 6634 7709 UNI2-AS, ES 8151 6112 11907 UNINET, MX 11492 3531 4685 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3120 4173 VIASAT-SP-BACKBONE, US 22773 2535 3400 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2331 12986 AMAZON-02, US 30036 2204 2544 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2184 3522 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) ---------------------------------------------- 1:2338 2:1517 3:613 4:10 5:4588 6:163 7:6 8:1547 9:1 11:172 12:1372 13:348 14:2513 15:351 16:279 17:361 18:916 20:470 21:4 22:188 23:7314 24:2831 25:2 27:2695 29:19 31:3214 32:36 34:83 35:204 36:2395 37:4682 38:8896 39:899 40:154 41:4203 42:1896 43:2542 44:363 45:18426 46:4934 47:289 49:1959 50:1898 51:590 52:1552 54:300 55:876 56:11 57:248 58:2188 59:1236 60:1171 61:2817 62:2902 63:1834 64:5492 65:2175 66:4602 67:3048 68:1104 69:3970 70:1098 71:611 72:2840 74:2795 75:1660 76:612 77:2708 78:1873 79:1729 80:2194 81:2017 82:3078 83:1416 84:1831 85:3394 86:1039 87:2147 88:1278 89:4315 90:775 91:8318 92:2798 93:2871 94:4036 95:4290 96:1432 97:313 98:992 99:738 100:71 101:1397 102:3722 103:32146 104:4809 105:750 106:988 107:2611 108:1199 109:4093 110:2230 111:3310 112:2039 113:1805 114:1966 115:2123 116:2032 117:2736 118:2877 119:1938 120:1870 121:1361 122:2745 123:2162 124:1608 125:2854 126:88 128:1556 129:955 130:1258 131:1893 132:775 133:451 134:1528 135:330 136:1303 137:1104 138:2900 139:1609 140:1566 141:1487 142:1833 143:1649 144:1063 145:514 146:2151 147:2098 148:2645 149:2888 150:1244 151:1740 152:2096 153:504 154:7914 155:1626 156:3176 157:1895 158:1268 159:2427 160:3555 161:1888 162:3705 163:1963 164:1697 165:2199 166:1432 167:1880 168:4023 169:784 170:5090 171:1001 172:4461 173:3219 174:909 175:1288 176:3695 177:4709 178:3782 179:2286 180:2573 181:4037 182:3370 183:2032 184:2291 185:21487 186:5092 187:4415 188:4195 189:4182 190:9622 191:1472 192:11163 193:9397 194:7786 195:5515 196:3273 197:3787 198:6047 199:8400 200:8050 201:6303 202:10314 203:10522 204:4520 205:3620 206:4564 207:3434 208:4194 209:5139 210:4500 211:2532 212:4490 213:3751 214:1052 215:48 216:6589 217:3082 218:1329 219:377 220:2087 221:1070 222:712 223:2319 End of report