IPv4 R&E Routing Table Report 23:05 GMT Wed 03 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: 931063 Prefixes after maximum aggregation (per Origin AS): 356259 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456061 Number of IPv4 prefixes with a valid ROA: 434689 Number of IPv4 prefixes with an invalid ROA: 2966 Number of IPv4 prefixes with no ROA: 493408 Total ASes present in the Internet Routing Table: 74974 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64573 Origin ASes announcing only one prefix: 26525 Transit ASes present in the Internet Routing Table: 10401 Transit-only ASes present in the Internet Routing Table: 448 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: 1006 Number of instances of unregistered ASNs: 1008 Number of 32-bit ASNs allocated by the RIRs: 43295 Number of 32-bit ASNs visible in the Routing Table: 35530 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: 481 Number of addresses announced to Internet: 3046749696 Equivalent to 181 /8s, 153 /16s and 182 /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: 309950 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244659 Total APNIC prefixes after maximum aggregation: 71542 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237778 Unique aggregates announced from the APNIC address blocks: 99455 APNIC Region origin ASes present in the Internet Routing Table: 13770 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 4126 APNIC Region transit ASes present in the Internet Routing Table: 1847 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: 772628224 Equivalent to 46 /8s, 13 /16s and 95 /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: 273132 Total ARIN prefixes after maximum aggregation: 124359 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277874 Unique aggregates announced from the ARIN address blocks: 133039 ARIN Region origin ASes present in the Internet Routing Table: 19039 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1848 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: 1273314816 Equivalent to 75 /8s, 229 /16s and 62 /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: 261726 Total RIPE prefixes after maximum aggregation: 124988 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256257 Unique aggregates announced from the RIPE address blocks: 160898 RIPE Region origin ASes present in the Internet Routing Table: 28472 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12127 RIPE Region transit ASes present in the Internet Routing Table: 3867 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: 11484 Number of RIPE addresses announced to Internet: 714448896 Equivalent to 42 /8s, 149 /16s and 160 /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: 120047 Total LACNIC prefixes after maximum aggregation: 28627 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118721 Unique aggregates announced from the LACNIC address blocks: 49450 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2341 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: 8888 Number of LACNIC addresses announced to Internet: 178276352 Equivalent to 10 /8s, 160 /16s and 72 /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: 30493 Total AfriNIC prefixes after maximum aggregation: 6036 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39952 Unique aggregates announced from the AfriNIC address blocks: 12823 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 347 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: 1160 Number of AfriNIC addresses announced to Internet: 107795712 Equivalent to 6 /8s, 108 /16s and 213 /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 5678 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4546 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3702 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3600 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3415 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3268 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2664 856 373 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 9441 11196 3353 AMAZON-02, US 11492 4563 303 680 CABLEONE, US 7155 4176 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3503 3037 290 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3206 1422 2328 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2970 3842 1418 DNIC-ASBLK-00306-00371, US 396982 2743 3639 389 GOOGLE-CLOUD-PLATFORM, US 7018 2505 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 7518 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 3159 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2912 2301 912 ROSTELECOM-AS, RU 34984 2324 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 577 TCI, IR 8452 1469 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 12179 3385 596 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2483 339 640 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 1110 178 420 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 1548 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 1071 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 517 82 3 KENET-AS, KE 15399 513 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 12179 3385 596 UNINET, MX 9808 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9441 11196 3353 AMAZON-02, US 12479 7518 1714 146 UNI2-AS, ES 7545 5678 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4546 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4176 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 7518 7372 UNI2-AS, ES 16509 9441 6088 AMAZON-02, US 7545 5678 4991 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4546 4521 FPT-AS-AP FPT Telecom Company, VN 7155 4176 4080 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4001 3861 AKAMAI-ASN1, NL 7552 3702 3682 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 /15:2058 /16:13395 /17:8157 /18:13644 /19:24746 /20:43169 /21:51207 /22:109964 /23:99194 /24:563288 /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 6615 7518 UNI2-AS, ES 8151 6175 12179 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3120 4176 VIASAT-SP-BACKBONE, US 8551 2636 3159 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2555 3503 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 2:1407 3:281 4:5 5:4404 6:163 7:6 8:1493 9:1 11:172 12:1487 13:376 14:2330 15:309 16:206 17:360 18:708 20:344 21:4 22:188 23:6560 24:2666 25:2 27:2480 29:19 31:2542 32:53 34:36 35:118 36:2142 37:4472 38:5833 39:884 40:147 41:4129 42:2200 43:2286 44:324 45:16639 46:4307 47:286 49:1895 50:1879 51:574 52:1592 54:369 55:893 56:5 57:127 58:1855 59:1109 60:1012 61:2587 62:2751 63:1902 64:5494 65:2343 66:4972 67:3037 68:1336 69:4079 70:1170 71:573 72:2916 74:2634 75:1558 76:623 77:2339 78:1824 79:2905 80:2115 81:1869 82:1525 83:1320 84:1610 85:3020 86:789 87:1969 88:1229 89:3961 90:657 91:7887 92:2172 93:2623 94:3587 95:3999 96:1287 97:315 98:1013 99:745 100:94 101:1157 102:3015 103:32463 104:4765 105:600 106:970 107:2751 108:1117 109:4067 110:2121 111:3155 112:2078 113:1722 114:1742 115:2008 116:1930 117:2635 118:2774 119:1946 120:1770 121:1252 122:2635 123:2173 124:1591 125:2769 128:1416 129:900 130:1065 131:1987 132:822 133:411 134:1708 135:304 136:910 137:993 138:2716 139:1553 140:1346 141:1335 142:1522 143:1531 144:998 145:339 146:2014 147:1638 148:2492 149:2397 150:1019 151:1311 152:1961 153:529 154:5471 155:1371 156:2095 157:1375 158:1082 159:2201 160:2618 161:1612 162:3592 163:1666 164:1620 165:2098 166:1059 167:1738 168:3831 169:792 170:4705 171:972 172:3771 173:2997 174:890 175:1216 176:3582 177:4682 178:3523 179:2223 180:2352 181:3648 182:3409 183:2023 184:2270 185:20447 186:4855 187:4351 188:4007 189:3952 190:9319 191:1511 192:10994 193:8958 194:7344 195:5210 196:3166 197:2627 198:5907 199:6874 200:8008 201:6266 202:10177 203:10029 204:4571 205:3657 206:4408 207:3383 208:4073 209:4919 210:4345 211:2500 212:4218 213:3380 214:1114 215:50 216:6771 217:2771 218:1295 219:414 220:1823 221:1020 222:689 223:2188 End of report