IPv4 R&E Routing Table Report 23:05 GMT Thu 04 Jan, 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: 930969 Prefixes after maximum aggregation (per Origin AS): 356449 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456339 Number of IPv4 prefixes with a valid ROA: 432985 Number of IPv4 prefixes with an invalid ROA: 2958 Number of IPv4 prefixes with no ROA: 495026 Total ASes present in the Internet Routing Table: 74971 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64572 Origin ASes announcing only one prefix: 26536 Transit ASes present in the Internet Routing Table: 10399 Transit-only ASes present in the Internet Routing Table: 450 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: 67 Max AS path prepend of ASN (272886) 61 Prefixes from unregistered ASNs in the Routing Table: 1003 Number of instances of unregistered ASNs: 1005 Number of 32-bit ASNs allocated by the RIRs: 43299 Number of 32-bit ASNs visible in the Routing Table: 35530 Prefixes from 32-bit ASNs in the Routing Table: 178504 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: 480 Number of addresses announced to Internet: 3045983744 Equivalent to 181 /8s, 142 /16s and 6 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309649 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244908 Total APNIC prefixes after maximum aggregation: 71607 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 238013 Unique aggregates announced from the APNIC address blocks: 99552 APNIC Region origin ASes present in the Internet Routing Table: 13773 APNIC Prefixes per ASN: 17.28 APNIC Region origin ASes announcing only one prefix: 4128 APNIC Region transit ASes present in the Internet Routing Table: 1843 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9175 Number of APNIC addresses announced to Internet: 772690432 Equivalent to 46 /8s, 14 /16s and 82 /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: 273255 Total ARIN prefixes after maximum aggregation: 124387 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277930 Unique aggregates announced from the ARIN address blocks: 132958 ARIN Region origin ASes present in the Internet Routing Table: 19032 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1846 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: 4819 Number of ARIN addresses announced to Internet: 1273363712 Equivalent to 75 /8s, 229 /16s and 253 /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: 261616 Total RIPE prefixes after maximum aggregation: 124970 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256199 Unique aggregates announced from the RIPE address blocks: 160884 RIPE Region origin ASes present in the Internet Routing Table: 28467 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12122 RIPE Region transit ASes present in the Internet Routing Table: 3870 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: 11482 Number of RIPE addresses announced to Internet: 714260480 Equivalent to 42 /8s, 146 /16s and 192 /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: 119698 Total LACNIC prefixes after maximum aggregation: 28756 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118373 Unique aggregates announced from the LACNIC address blocks: 49733 LACNIC Region origin ASes present in the Internet Routing Table: 11047 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2684 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: 67 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8896 Number of LACNIC addresses announced to Internet: 177619200 Equivalent to 10 /8s, 150 /16s and 65 /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: 30489 Total AfriNIC prefixes after maximum aggregation: 6026 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39974 Unique aggregates announced from the AfriNIC address blocks: 12817 AfriNIC Region origin ASes present in the Internet Routing Table: 1815 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 645 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1158 Number of AfriNIC addresses announced to Internet: 107764480 Equivalent to 6 /8s, 108 /16s and 91 /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 9787 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4549 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3825 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3601 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3416 498 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3268 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2668 858 367 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 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 9446 11196 3356 AMAZON-02, US 11492 4563 303 680 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3567 1320 70 SHAW, CA 22773 3504 3037 291 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3209 1425 2329 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2968 3842 1416 DNIC-ASBLK-00306-00371, US 396982 2743 3639 389 GOOGLE-CLOUD-PLATFORM, US 7018 2506 23622 1576 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 7508 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4001 3397 140 AKAMAI-ASN1, NL 9009 3488 300 1629 M247, RO 8551 3149 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2912 2301 912 ROSTELECOM-AS, RU 34984 2318 358 597 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 577 TCI, IR 8452 1471 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 12184 3385 596 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2496 340 638 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 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1109 178 419 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1543 545 28 RAYA-AS, EG 24863 1531 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1072 69 53 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 522 82 3 KENET-AS, KE 15399 514 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 12184 3385 596 UNINET, MX 9808 9787 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9446 11196 3356 AMAZON-02, US 12479 7508 1714 146 UNI2-AS, ES 7545 5679 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4549 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 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 9787 9737 CHINAMOBILE-CN China Mobile Communications Grou 12479 7508 7362 UNI2-AS, ES 16509 9446 6090 AMAZON-02, US 7545 5679 4991 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4549 4524 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3825 3805 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 /12:300 /13:577 /14:1191 /15:2059 /16:13385 /17:8143 /18:13646 /19:24751 /20:43168 /21:51266 /22:110013 /23:99268 /24:563029 /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 6605 7508 UNI2-AS, ES 8151 6180 12184 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3372 3567 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 8551 2626 3149 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2555 3504 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2126 3523 Telmex Colombia S.A., CO 30036 2119 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) ---------------------------------------------- 1:2282 2:1408 3:280 4:5 5:4412 6:165 7:6 8:1493 9:1 11:172 12:1487 13:375 14:2330 15:309 16:206 17:360 18:710 20:344 21:4 22:188 23:6563 24:2666 25:2 27:2502 29:19 31:2535 32:53 34:36 35:118 36:2147 37:4478 38:5833 39:884 40:147 41:4121 42:2203 43:2290 44:324 45:16630 46:4310 47:285 49:1896 50:1880 51:574 52:1592 54:369 55:894 56:5 57:127 58:1855 59:1109 60:1012 61:2587 62:2751 63:1899 64:5492 65:2342 66:4956 67:3038 68:1336 69:4075 70:1178 71:573 72:2916 74:2633 75:1564 76:622 77:2336 78:1824 79:2894 80:2113 81:1855 82:1523 83:1318 84:1608 85:3021 86:779 87:1969 88:1228 89:3945 90:656 91:7893 92:2173 93:2620 94:3587 95:4006 96:1288 97:315 98:1013 99:745 100:94 101:1155 102:3016 103:32483 104:4767 105:600 106:973 107:2751 108:1119 109:4067 110:2129 111:3162 112:2080 113:1722 114:1742 115:2007 116:1958 117:2633 118:2775 119:1946 120:1768 121:1253 122:2634 123:2175 124:1593 125:2766 128:1401 129:900 130:1071 131:1971 132:821 133:411 134:1708 135:304 136:913 137:996 138:2700 139:1549 140:1344 141:1337 142:1537 143:1526 144:998 145:335 146:2014 147:1638 148:2490 149:2400 150:1018 151:1311 152:1961 153:529 154:5510 155:1376 156:2097 157:1379 158:1082 159:2202 160:2617 161:1615 162:3605 163:1665 164:1612 165:2098 166:1064 167:1738 168:3812 169:790 170:4679 171:973 172:3776 173:2997 174:890 175:1216 176:3581 177:4613 178:3523 179:2219 180:2353 181:3644 182:3409 183:2023 184:2270 185:20455 186:4781 187:4306 188:3982 189:3945 190:9326 191:1486 192:10998 193:8945 194:7348 195:5207 196:3166 197:2636 198:5886 199:6880 200:8012 201:6260 202:10174 203:10037 204:4547 205:3663 206:4408 207:3382 208:4081 209:4917 210:4343 211:2499 212:4217 213:3380 214:1115 215:50 216:6772 217:2752 218:1295 219:414 220:1823 221:1019 222:689 223:2187 End of report