IPv4 R&E Routing Table Report 23:05 GMT Sat 30 Dec, 2023 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: 930900 Prefixes after maximum aggregation (per Origin AS): 356299 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455968 Number of IPv4 prefixes with a valid ROA: 434647 Number of IPv4 prefixes with an invalid ROA: 843 Number of IPv4 prefixes with no ROA: 495410 Total ASes present in the Internet Routing Table: 74983 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64592 Origin ASes announcing only one prefix: 26546 Transit ASes present in the Internet Routing Table: 10391 Transit-only ASes present in the Internet Routing Table: 447 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1001 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 43286 Number of 32-bit ASNs visible in the Routing Table: 35533 Prefixes from 32-bit ASNs in the Routing Table: 178592 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 487 Number of addresses announced to Internet: 3044300288 Equivalent to 181 /8s, 116 /16s and 86 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309967 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244597 Total APNIC prefixes after maximum aggregation: 71590 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237698 Unique aggregates announced from the APNIC address blocks: 99382 APNIC Region origin ASes present in the Internet Routing Table: 13761 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 4138 APNIC Region transit ASes present in the Internet Routing Table: 1839 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9171 Number of APNIC addresses announced to Internet: 770433792 Equivalent to 45 /8s, 235 /16s and 227 /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: 272970 Total ARIN prefixes after maximum aggregation: 124307 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277749 Unique aggregates announced from the ARIN address blocks: 133037 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1841 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: 4823 Number of ARIN addresses announced to Internet: 1273255168 Equivalent to 75 /8s, 228 /16s and 85 /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, 393216-401308 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: 261930 Total RIPE prefixes after maximum aggregation: 125037 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256495 Unique aggregates announced from the RIPE address blocks: 160916 RIPE Region origin ASes present in the Internet Routing Table: 28488 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12129 RIPE Region transit ASes present in the Internet Routing Table: 3872 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11483 Number of RIPE addresses announced to Internet: 714286848 Equivalent to 42 /8s, 147 /16s and 39 /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: 119945 Total LACNIC prefixes after maximum aggregation: 28625 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118584 Unique aggregates announced from the LACNIC address blocks: 49425 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2345 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: 8900 Number of LACNIC addresses announced to Internet: 178315776 Equivalent to 10 /8s, 160 /16s and 226 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30457 Total AfriNIC prefixes after maximum aggregation: 6036 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39887 Unique aggregates announced from the AfriNIC address blocks: 12807 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.01 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156 Number of AfriNIC addresses announced to Internet: 107720960 Equivalent to 6 /8s, 107 /16s and 177 /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 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4542 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3840 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3410 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2661 857 370 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 442 200 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9458 11200 3354 AMAZON-02, US 11492 4563 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3489 3033 286 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3185 1411 2317 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2967 3839 1415 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2506 23622 1574 ATT-INTERNET4, 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 7564 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4001 3397 140 AKAMAI-ASN1, NL 9009 3492 300 1631 M247, RO 8551 3336 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2912 2301 912 ROSTELECOM-AS, RU 34984 2326 359 597 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 872 576 TCI, IR 44477 1453 95 718 STARK-INDUSTRIES, 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 12175 3385 596 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2494 339 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1106 178 426 Techtel LMDS Comunicaciones Interactiva 22884 1074 117 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 26615 1049 2502 52 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 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1071 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 515 82 3 KENET-AS, KE 15399 503 53 42 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 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 12175 3385 596 UNINET, MX 9808 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9458 11200 3354 AMAZON-02, US 12479 7564 1714 146 UNI2-AS, ES 7545 5675 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4542 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 4001 3397 140 AKAMAI-ASN1, NL 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 9778 9728 CHINAMOBILE-CN China Mobile Communications Grou 12479 7564 7418 UNI2-AS, ES 16509 9458 6104 AMAZON-02, US 7545 5675 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4542 4517 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3840 3820 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:36 /11:99 /12:298 /13:577 /14:1191 /15:2057 /16:13387 /17:8155 /18:13637 /19:24749 /20:43146 /21:51270 /22:109990 /23:99190 /24:563080 /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 6652 7564 UNI2-AS, ES 8151 6171 12175 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2813 3336 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2554 3489 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 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) ---------------------------------------------- 1:2282 2:1404 3:284 4:5 5:4398 6:163 7:6 8:1491 9:1 11:172 12:1487 13:375 14:2329 15:309 16:206 17:360 18:710 20:344 21:4 22:188 23:6562 24:2594 25:2 27:2557 29:19 31:2538 32:53 34:36 35:117 36:2125 37:4476 38:5828 39:884 40:147 41:4123 42:2196 43:2297 44:323 45:16646 46:4328 47:284 49:1893 50:1878 51:572 52:1593 54:368 55:888 56:5 57:127 58:1857 59:1110 60:1012 61:2585 62:2747 63:1905 64:5498 65:2343 66:4977 67:3036 68:1336 69:4052 70:1170 71:610 72:2916 74:2621 75:1547 76:625 77:2339 78:1824 79:2999 80:2113 81:1870 82:1523 83:1323 84:1608 85:2977 86:788 87:1964 88:1228 89:3958 90:656 91:7899 92:2173 93:2625 94:3581 95:3996 96:1297 97:316 98:1015 99:738 100:94 101:1153 102:3006 103:32313 104:4774 105:600 106:967 107:2760 108:1144 109:4144 110:2125 111:3152 112:2076 113:1711 114:1741 115:2007 116:1960 117:2623 118:2769 119:1941 120:1756 121:1252 122:2623 123:2174 124:1578 125:2764 128:1424 129:900 130:1065 131:1967 132:824 133:411 134:1700 135:304 136:913 137:1033 138:2713 139:1550 140:1339 141:1340 142:1534 143:1532 144:998 145:338 146:2015 147:1631 148:2491 149:2382 150:1011 151:1310 152:1960 153:528 154:5482 155:1370 156:2104 157:1369 158:1079 159:2201 160:2618 161:1611 162:3591 163:1665 164:1613 165:2098 166:1065 167:1740 168:3821 169:790 170:4696 171:975 172:3771 173:3011 174:890 175:1215 176:3581 177:4683 178:3525 179:2226 180:2357 181:3634 182:3416 183:2023 184:2269 185:20479 186:4797 187:4350 188:4010 189:3981 190:9333 191:1480 192:10993 193:8970 194:7348 195:5221 196:3133 197:2592 198:5907 199:6834 200:7972 201:6252 202:10198 203:10030 204:4568 205:3655 206:4414 207:3391 208:4074 209:4911 210:4335 211:2494 212:4216 213:3383 214:1114 215:50 216:6769 217:2772 218:1285 219:414 220:1821 221:1019 222:686 223:2186 End of report