IPv4 R&E Routing Table Report 23:05 GMT Mon 17 Jul, 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: 919825 Prefixes after maximum aggregation (per Origin AS): 349907 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451705 Number of IPv4 prefixes with a valid ROA: 412677 Number of IPv4 prefixes with an invalid ROA: 1554 Number of IPv4 prefixes with no ROA: 505594 Total ASes present in the Internet Routing Table: 74438 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63967 Origin ASes announcing only one prefix: 26312 Transit ASes present in the Internet Routing Table: 10471 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1083 Number of instances of unregistered ASNs: 1087 Number of 32-bit ASNs allocated by the RIRs: 42257 Number of 32-bit ASNs visible in the Routing Table: 34780 Prefixes from 32-bit ASNs in the Routing Table: 172864 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 583 Number of addresses announced to Internet: 3052810240 Equivalent to 181 /8s, 246 /16s and 48 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307878 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239942 Total APNIC prefixes after maximum aggregation: 69087 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 233795 Unique aggregates announced from the APNIC address blocks: 98616 APNIC Region origin ASes present in the Internet Routing Table: 13425 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3971 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8807 Number of APNIC addresses announced to Internet: 773116928 Equivalent to 46 /8s, 20 /16s and 212 /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: 270193 Total ARIN prefixes after maximum aggregation: 123221 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272471 Unique aggregates announced from the ARIN address blocks: 130640 ARIN Region origin ASes present in the Internet Routing Table: 19065 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4810 Number of ARIN addresses announced to Internet: 1276879872 Equivalent to 76 /8s, 27 /16s and 164 /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: 260102 Total RIPE prefixes after maximum aggregation: 122555 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256675 Unique aggregates announced from the RIPE address blocks: 159779 RIPE Region origin ASes present in the Internet Routing Table: 28337 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 3941 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11235 Number of RIPE addresses announced to Internet: 716595968 Equivalent to 42 /8s, 182 /16s and 99 /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 196608-213403 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: 118665 Total LACNIC prefixes after maximum aggregation: 28433 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117800 Unique aggregates announced from the LACNIC address blocks: 49524 LACNIC Region origin ASes present in the Internet Routing Table: 11016 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2331 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8815 Number of LACNIC addresses announced to Internet: 178378240 Equivalent to 10 /8s, 161 /16s and 214 /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: 29840 Total AfriNIC prefixes after maximum aggregation: 5883 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38501 Unique aggregates announced from the AfriNIC address blocks: 12662 AfriNIC Region origin ASes present in the Internet Routing Table: 1764 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 616 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1113 Number of AfriNIC addresses announced to Internet: 107501568 Equivalent to 6 /8s, 104 /16s and 88 /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 9521 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4224 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3698 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3545 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3047 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2450 835 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2182 442 199 TATACOMM-AS TATA Communications formerl 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 8723 10919 3143 AMAZON-02, US 11492 4519 300 615 CABLEONE, US 7155 4171 288 87 VIASAT-SP-BACKBONE, US 22773 3539 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3142 54962 2394 DNIC-AS-00749, US 16625 3139 1557 2354 AKAMAI-AS, US 367 2748 3753 1323 DNIC-ASBLK-00306-00371, US 396982 2676 3594 383 GOOGLE-CLOUD-PLATFORM, US 30036 2500 361 402 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 7297 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4076 3398 160 AKAMAI-ASN1, NL 8551 3464 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2661 246 1384 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1827 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11596 3378 595 UNINET, MX 10620 3529 507 840 Telmex Colombia S.A., CO 13999 2404 360 632 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 239 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1104 177 437 Techtel LMDS Comunicaciones Interactiva 26615 1038 2500 48 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 465 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 11596 3378 595 UNINET, MX 9808 9521 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8723 10919 3143 AMAZON-02, US 12479 7297 1706 141 UNI2-AS, ES 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 615 CABLEONE, US 18403 4224 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4171 288 87 VIASAT-SP-BACKBONE, US 20940 4076 3398 160 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 9521 9484 CHINAMOBILE-CN China Mobile Communications Grou 12479 7297 7156 UNI2-AS, ES 16509 8723 5580 AMAZON-02, US 7545 5682 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4224 4199 FPT-AS-AP FPT Telecom Company, VN 7155 4171 4084 VIASAT-SP-BACKBONE, US 20940 4076 3916 AKAMAI-ASN1, NL 11492 4519 3904 CABLEONE, US 7552 3698 3677 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:38 /11:103 /12:296 /13:574 /14:1198 /15:2105 /16:13420 /17:8186 /18:13734 /19:24875 /20:43340 /21:51104 /22:109415 /23:98210 /24:553188 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6385 7297 UNI2-AS, ES 8151 5515 11596 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3120 4171 VIASAT-SP-BACKBONE, US 8551 2933 3464 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2169 2:1339 3:233 4:5 5:4502 6:130 7:6 8:1513 9:1 11:172 12:1519 13:382 14:2311 15:301 16:194 17:372 18:521 20:268 21:4 22:188 23:6353 24:2601 25:4 27:2521 29:19 31:2534 32:77 34:26 35:111 36:1961 37:4694 38:4994 39:829 40:152 41:3930 42:2008 43:2294 44:302 45:16584 46:4353 47:377 49:1760 50:1846 51:585 52:1595 54:397 55:977 56:8 57:120 58:1816 59:1095 60:985 61:2503 62:2658 63:1917 64:5561 65:2315 66:4914 67:3042 68:1317 69:4105 70:1206 71:675 72:2981 74:2625 75:1574 76:611 77:2443 78:1809 79:2976 80:2110 81:1794 82:1503 83:1258 84:1522 85:2959 86:763 87:2007 88:1175 89:3845 90:614 91:7788 92:2041 93:2599 94:3577 95:4039 96:1304 97:334 98:1152 99:735 100:95 101:1313 102:2842 103:31652 104:4556 105:499 106:877 107:2554 108:1070 109:4238 110:2085 111:3126 112:2055 113:1739 114:1634 115:1974 116:1897 117:2573 118:2610 119:1979 120:1791 121:1076 122:2559 123:2132 124:1573 125:2464 128:1386 129:1031 130:1008 131:1972 132:841 133:422 134:1796 135:307 136:887 137:950 138:2507 139:1565 140:1254 141:1293 142:1462 143:1510 144:984 145:338 146:1950 147:1587 148:2406 149:2137 150:880 151:1164 152:1951 153:493 154:4647 155:1356 156:1809 157:1316 158:1086 159:2262 160:2588 161:1551 162:3504 163:1556 164:1613 165:1880 166:1068 167:1728 168:3844 169:946 170:4607 171:893 172:3645 173:2954 174:1055 175:1177 176:3720 177:4511 178:3605 179:2164 180:2467 181:3487 182:3399 183:1999 184:2316 185:20476 186:4765 187:4086 188:4104 189:3716 190:9221 191:1378 192:10896 193:8923 194:7322 195:5138 196:3207 197:2384 198:5904 199:6093 200:7979 201:5935 202:10267 203:10089 204:4552 205:3657 206:4283 207:3390 208:4115 209:4893 210:4184 211:2442 212:4241 213:3575 214:1092 215:60 216:6647 217:2745 218:1260 219:414 220:1766 221:964 222:683 223:2156 End of report