IPv4 R&E Routing Table Report 23:05 GMT Thu 15 Aug, 2024 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: 947631 Prefixes after maximum aggregation (per Origin AS): 363452 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464696 Number of IPv4 prefixes with a valid ROA: 491747 Number of IPv4 prefixes with an invalid ROA: 1271 Number of IPv4 prefixes with no ROA: 454613 Total ASes present in the Internet Routing Table: 75887 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65238 Origin ASes announcing only one prefix: 26734 Transit ASes present in the Internet Routing Table: 10649 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 22 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 960 Number of instances of unregistered ASNs: 967 Number of 32-bit ASNs allocated by the RIRs: 45179 Number of 32-bit ASNs visible in the Routing Table: 36846 Prefixes from 32-bit ASNs in the Routing Table: 190320 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 541 Number of addresses announced to Internet: 3032425984 Equivalent to 180 /8s, 191 /16s and 38 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 310919 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250362 Total APNIC prefixes after maximum aggregation: 74414 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242388 Unique aggregates announced from the APNIC address blocks: 102127 APNIC Region origin ASes present in the Internet Routing Table: 14222 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4316 APNIC Region transit ASes present in the Internet Routing Table: 1881 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: 9687 Number of APNIC addresses announced to Internet: 760214784 Equivalent to 45 /8s, 79 /16s and 245 /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, 131072-153913 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: 277050 Total ARIN prefixes after maximum aggregation: 125502 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281264 Unique aggregates announced from the ARIN address blocks: 134299 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6956 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4955 Number of ARIN addresses announced to Internet: 1266217984 Equivalent to 75 /8s, 120 /16s and 244 /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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 265800 Total RIPE prefixes after maximum aggregation: 128184 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261475 Unique aggregates announced from the RIPE address blocks: 166025 RIPE Region origin ASes present in the Internet Routing Table: 28676 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12117 RIPE Region transit ASes present in the Internet Routing Table: 3923 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11931 Number of RIPE addresses announced to Internet: 722888448 Equivalent to 43 /8s, 22 /16s and 103 /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, 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: 121793 Total LACNIC prefixes after maximum aggregation: 28451 LACNIC Deaggregation factor: 4.28 Prefixes being announced from the LACNIC address blocks: 119655 Unique aggregates announced from the LACNIC address blocks: 47760 LACNIC Region origin ASes present in the Internet Routing Table: 11145 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2437 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9044 Number of LACNIC addresses announced to Internet: 178126592 Equivalent to 10 /8s, 157 /16s and 255 /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: 31666 Total AfriNIC prefixes after maximum aggregation: 6264 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 42308 Unique aggregates announced from the AfriNIC address blocks: 14029 AfriNIC Region origin ASes present in the Internet Routing Table: 1868 AfriNIC Prefixes per ASN: 22.65 AfriNIC Region origin ASes announcing only one prefix: 676 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1229 Number of AfriNIC addresses announced to Internet: 104676608 Equivalent to 6 /8s, 61 /16s and 61 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5694 841 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4237 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3959 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3788 508 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3245 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2814 856 451 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2202 434 199 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10479 11600 3798 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3984 8785 912 COGENT-174, US 6327 3600 1320 79 SHAW, CA 22773 3419 3037 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54897 2507 DNIC-AS-00749, US 7018 2955 23675 1855 ATT-INTERNET4, US 16625 2949 1261 2131 AKAMAI-AS, US 396982 2778 3567 416 GOOGLE-CLOUD-PLATFORM, 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 7695 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3773 3396 129 AKAMAI-ASN1, NL 9009 3655 312 1854 M247, RO 12389 2861 2291 857 ROSTELECOM-AS, RU 34984 2327 357 587 TELLCOM-AS, TR 8551 1781 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1739 125 1272 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1567 1852 14 TE-AS TE-AS, EG 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 3292 515 UNINET, MX 10620 3534 493 936 Telmex Colombia S.A., CO 13999 2554 629 22 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1343 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 777 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1121 313 480 Axtel, S.A.B. de C.V., MX 19037 1086 278 31 AMX Argentina S.A., AR 22884 1072 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1062 2503 53 TIM SA, BR 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 24863 1611 389 16 LINKdotNET-AS, EG 24835 1555 593 29 RAYA-AS, EG 36992 1411 1519 283 ETISALAT-MISR, EG 29571 1322 84 77 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 546 82 3 KENET-AS, KE 37342 517 32 1 MOVITEL, MZ 24757 436 73 5 EthioNet-AS, ET 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 8151 11821 3292 515 UNINET, MX 16509 10479 11600 3798 AMAZON-02, US 9808 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7695 1708 145 UNI2-AS, ES 7545 5694 841 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4237 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 174 3984 8785 912 COGENT-174, 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 9808 9896 9821 CHINAMOBILE-CN China Mobile Communications Grou 12479 7695 7550 UNI2-AS, ES 16509 10479 6681 AMAZON-02, US 7545 5694 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4237 4214 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4167 4078 VIASAT-SP-BACKBONE, US 7552 3959 3937 VIETEL-AS-AP Viettel Group, VN 20940 3773 3644 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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: 6939 HURRICANE, US 23.130.240.0/24 Origin: 14315 1GSERVERS, US 23.130.240.0/24 Transit: 174 COGENT-174, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, 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 /10:37 /11:93 /12:294 /13:574 /14:1164 /15:2053 /16:13157 /17:8105 /18:13548 /19:24271 /20:43082 /21:51201 /22:110851 /23:99307 /24:579854 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6778 7695 UNI2-AS, ES 8151 5937 11821 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3396 3600 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2558 3419 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2163 3534 Telmex Colombia S.A., CO 16509 2128 10479 AMAZON-02, US 30036 2126 2463 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2283 2:1501 3:413 4:6 5:4390 6:161 7:6 8:1518 9:1 11:172 12:1429 13:357 14:2358 15:323 16:259 17:363 18:860 20:407 21:4 22:188 23:6781 24:2699 25:2 27:2619 29:19 31:2651 32:44 34:68 35:138 36:2344 37:4516 38:8358 39:914 40:150 41:4092 42:1996 43:2403 44:329 45:17421 46:4579 47:301 49:2015 50:1842 51:579 52:1577 54:316 55:948 56:8 57:212 58:2163 59:1204 60:1060 61:2674 62:2734 63:1853 64:5430 65:2278 66:4610 67:2979 68:1344 69:4027 70:1152 71:554 72:2851 74:2632 75:1560 76:614 77:2504 78:1851 79:1782 80:2186 81:2026 82:1660 83:1365 84:1704 85:3165 86:970 87:2027 88:1247 89:4215 90:691 91:8200 92:2411 93:2711 94:3737 95:4208 96:1271 97:316 98:1050 99:736 100:73 101:1164 102:3313 103:32257 104:4468 105:699 106:982 107:2366 108:1162 109:4076 110:2135 111:3231 112:2059 113:1800 114:1847 115:2059 116:1951 117:2671 118:2832 119:1983 120:1797 121:1344 122:2678 123:2255 124:1609 125:2831 126:64 128:1359 129:935 130:1185 131:1861 132:808 133:428 134:1467 135:312 136:1134 137:1061 138:2842 139:1530 140:1437 141:1447 142:1668 143:1642 144:1021 145:361 146:2093 147:2026 148:2541 149:2799 150:1060 151:1354 152:2228 153:501 154:6548 155:1432 156:2400 157:1807 158:1183 159:2442 160:2993 161:1698 162:3552 163:1738 164:1690 165:2153 166:1273 167:1851 168:4052 169:800 170:4941 171:1034 172:3890 173:3052 174:899 175:1257 176:3458 177:4620 178:3626 179:2187 180:2451 181:3825 182:3331 183:1974 184:2261 185:20941 186:4990 187:4327 188:4098 189:4138 190:9504 191:1518 192:11056 193:9212 194:7480 195:5309 196:3198 197:2648 198:5902 199:8038 200:8043 201:6252 202:10213 203:10359 204:4529 205:3652 206:4459 207:3531 208:4157 209:5036 210:4493 211:2536 212:4407 213:3631 214:1060 215:47 216:6717 217:2941 218:1328 219:434 220:1815 221:1046 222:687 223:2226 End of report