IPv4 R&E Routing Table Report 23:05 GMT Tue 04 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: 973051 Prefixes after maximum aggregation (per Origin AS): 373015 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475748 Number of IPv4 prefixes with a valid ROA: 533222 Number of IPv4 prefixes with an invalid ROA: 1109 Number of IPv4 prefixes with no ROA: 438720 Total ASes present in the Internet Routing Table: 76504 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65648 Origin ASes announcing only one prefix: 26894 Transit ASes present in the Internet Routing Table: 10856 Transit-only ASes present in the Internet Routing Table: 529 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: 972 Number of instances of unregistered ASNs: 977 Number of 32-bit ASNs allocated by the RIRs: 46219 Number of 32-bit ASNs visible in the Routing Table: 37860 Prefixes from 32-bit ASNs in the Routing Table: 198813 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: 463 Number of addresses announced to Internet: 3109148928 Equivalent to 185 /8s, 81 /16s and 217 /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: 319112 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255175 Total APNIC prefixes after maximum aggregation: 76098 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246961 Unique aggregates announced from the APNIC address blocks: 102614 APNIC Region origin ASes present in the Internet Routing Table: 14496 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4436 APNIC Region transit ASes present in the Internet Routing Table: 1951 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: 10015 Number of APNIC addresses announced to Internet: 749553664 Equivalent to 44 /8s, 173 /16s and 72 /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: 287004 Total ARIN prefixes after maximum aggregation: 127935 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 287936 Unique aggregates announced from the ARIN address blocks: 136156 ARIN Region origin ASes present in the Internet Routing Table: 19181 ARIN Prefixes per ASN: 15.01 ARIN Region origin ASes announcing only one prefix: 7028 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: 5155 Number of ARIN addresses announced to Internet: 1348206592 Equivalent to 80 /8s, 92 /16s and 0 /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: 271713 Total RIPE prefixes after maximum aggregation: 132233 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 269470 Unique aggregates announced from the RIPE address blocks: 172455 RIPE Region origin ASes present in the Internet Routing Table: 28827 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3958 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: 12275 Number of RIPE addresses announced to Internet: 732826112 Equivalent to 43 /8s, 174 /16s and 10 /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: 123159 Total LACNIC prefixes after maximum aggregation: 29297 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120111 Unique aggregates announced from the LACNIC address blocks: 48888 LACNIC Region origin ASes present in the Internet Routing Table: 11203 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2489 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: 9145 Number of LACNIC addresses announced to Internet: 173773312 Equivalent to 10 /8s, 91 /16s and 146 /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: 35028 Total AfriNIC prefixes after maximum aggregation: 6845 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 48110 Unique aggregates announced from the AfriNIC address blocks: 15235 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 25.21 AfriNIC Region origin ASes announcing only one prefix: 699 AfriNIC Region transit ASes present in the Internet Routing Table: 368 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: 1270 Number of AfriNIC addresses announced to Internet: 104548608 Equivalent to 6 /8s, 59 /16s and 73 /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 6217 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4391 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 3689 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3269 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2847 855 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2168 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 12786 39183 3776 AMAZON-02, US 11492 4696 312 575 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3621 1320 81 SHAW, CA 174 3476 8768 964 COGENT-174, US 22773 3370 3034 178 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 2953 1252 2178 AKAMAI-AS, US 396982 2935 3660 453 GOOGLE-CLOUD-PLATFORM, US 30036 2554 353 403 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 7763 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3906 3395 127 AKAMAI-ASN1, NL 9009 3752 320 1922 M247, RO 12389 2982 2303 893 ROSTELECOM-AS, RU 34984 2367 361 579 TELLCOM-AS, TR 212238 2008 145 1484 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1525 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 11793 3235 593 UNINET, MX 10620 3547 492 953 Telmex Colombia S.A., CO 13999 2507 539 371 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1350 2436 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1172 371 22 Telefonica del Peru S.A.A., PE 6503 1114 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 1574 99 103 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 1087 16 MOBINIL, EG 6713 557 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 12786 39183 3776 AMAZON-02, US 8151 11793 3235 593 UNINET, MX 9808 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7763 1714 145 UNI2-AS, ES 7545 6217 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4696 312 575 CABLEONE, US 18403 4391 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 11793 11200 UNINET, MX 9808 10324 10236 CHINAMOBILE-CN China Mobile Communications Grou 12479 7763 7618 UNI2-AS, ES 7545 6217 5558 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4391 4366 FPT-AS-AP FPT Telecom Company, VN 11492 4696 4121 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 23.135.148.0/24 Origin: 44570 XTL-18-44570, US 23.135.148.0/24 Transit: 52025 PARADOXNETWORKS-LIMITED, GB 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 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 /14:1215 /15:2144 /16:13913 /17:8233 /18:13621 /19:24452 /20:43720 /21:51645 /22:111803 /23:100750 /24:600502 /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 6717 7763 UNI2-AS, ES 8151 5992 11793 UNINET, MX 11492 3547 4696 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3621 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2509 3370 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2272 12786 AMAZON-02, US 30036 2214 2554 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2187 3547 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) ---------------------------------------------- 1:2335 2:1504 3:575 4:10 5:4550 6:167 7:6 8:1546 9:1 11:172 12:1376 13:350 14:2513 15:350 16:277 17:360 18:920 20:455 21:4 22:188 23:7279 24:2718 25:2 27:2702 29:19 31:3187 32:35 34:81 35:202 36:2410 37:4594 38:8726 39:898 40:153 41:4191 42:1989 43:2521 44:354 45:18311 46:5000 47:291 49:1979 50:1884 51:586 52:1568 54:301 55:1071 56:9 57:240 58:2216 59:1218 60:1167 61:2821 62:2908 63:1825 64:5499 65:2171 66:4604 67:3039 68:1118 69:3966 70:1103 71:606 72:2869 74:2777 75:1648 76:611 77:2670 78:1852 79:1717 80:2186 81:2013 82:2708 83:1390 84:1804 85:3347 86:1031 87:2154 88:1283 89:4312 90:777 91:8312 92:2795 93:2886 94:3909 95:4251 96:1403 97:318 98:976 99:740 100:71 101:1382 102:3666 103:32277 104:4802 105:743 106:997 107:2588 108:1207 109:4105 110:2228 111:3311 112:2044 113:1799 114:1942 115:2122 116:2038 117:2756 118:2879 119:1944 120:1876 121:1357 122:2753 123:2166 124:1607 125:2884 126:88 128:1548 129:954 130:1261 131:1848 132:788 133:450 134:1527 135:329 136:1307 137:1108 138:2883 139:1628 140:1553 141:1467 142:1822 143:1622 144:1055 145:471 146:2133 147:2069 148:2597 149:2870 150:1240 151:1720 152:2102 153:504 154:7869 155:1601 156:3364 157:1905 158:1264 159:2420 160:3556 161:1923 162:3678 163:1854 164:1692 165:2184 166:1379 167:1877 168:4022 169:786 170:5073 171:1002 172:4430 173:3222 174:912 175:1278 176:3655 177:4678 178:3773 179:2227 180:2566 181:4018 182:3369 183:2071 184:2300 185:21437 186:5089 187:4315 188:4199 189:4210 190:9640 191:1532 192:11138 193:9373 194:7731 195:5490 196:3224 197:3742 198:6064 199:8352 200:8018 201:6280 202:10327 203:10517 204:4531 205:3627 206:4565 207:3455 208:4181 209:5161 210:4503 211:2526 212:4494 213:3732 214:1062 215:42 216:6554 217:3098 218:1331 219:374 220:2107 221:1052 222:718 223:2315 End of report