IPv4 R&E Routing Table Report 23:05 GMT Mon 10 Jun, 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: 944079 Prefixes after maximum aggregation (per Origin AS): 361338 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464871 Number of IPv4 prefixes with a valid ROA: 478765 Number of IPv4 prefixes with an invalid ROA: 1183 Number of IPv4 prefixes with no ROA: 464131 Total ASes present in the Internet Routing Table: 75703 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 65154 Origin ASes announcing only one prefix: 26680 Transit ASes present in the Internet Routing Table: 10549 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 14 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: 969 Number of instances of unregistered ASNs: 971 Number of 32-bit ASNs allocated by the RIRs: 44722 Number of 32-bit ASNs visible in the Routing Table: 36496 Prefixes from 32-bit ASNs in the Routing Table: 186534 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 578 Number of addresses announced to Internet: 3023399168 Equivalent to 180 /8s, 53 /16s and 105 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310930 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248939 Total APNIC prefixes after maximum aggregation: 73423 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241062 Unique aggregates announced from the APNIC address blocks: 101163 APNIC Region origin ASes present in the Internet Routing Table: 14111 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4290 APNIC Region transit ASes present in the Internet Routing Table: 1874 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9567 Number of APNIC addresses announced to Internet: 760947712 Equivalent to 45 /8s, 91 /16s and 36 /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: 275854 Total ARIN prefixes after maximum aggregation: 124994 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280255 Unique aggregates announced from the ARIN address blocks: 134572 ARIN Region origin ASes present in the Internet Routing Table: 19107 ARIN Prefixes per ASN: 14.67 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 4914 Number of ARIN addresses announced to Internet: 1266689536 Equivalent to 75 /8s, 128 /16s and 38 /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: 265148 Total RIPE prefixes after maximum aggregation: 127305 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260045 Unique aggregates announced from the RIPE address blocks: 164760 RIPE Region origin ASes present in the Internet Routing Table: 28645 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11817 Number of RIPE addresses announced to Internet: 713166336 Equivalent to 42 /8s, 130 /16s and 14 /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: 121498 Total LACNIC prefixes after maximum aggregation: 28755 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 119637 Unique aggregates announced from the LACNIC address blocks: 50292 LACNIC Region origin ASes present in the Internet Routing Table: 11099 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2378 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8988 Number of LACNIC addresses announced to Internet: 176675328 Equivalent to 10 /8s, 135 /16s and 218 /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: 31671 Total AfriNIC prefixes after maximum aggregation: 6223 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 42502 Unique aggregates announced from the AfriNIC address blocks: 13615 AfriNIC Region origin ASes present in the Internet Routing Table: 1846 AfriNIC Prefixes per ASN: 23.02 AfriNIC Region origin ASes announcing only one prefix: 662 AfriNIC Region transit ASes present in the Internet Routing Table: 351 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1210 Number of AfriNIC addresses announced to Internet: 105607936 Equivalent to 6 /8s, 75 /16s and 115 /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 9829 8742 65 CHINAMOBILE-CN China Mobile Communicati 7545 5639 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4218 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3934 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN 7713 3581 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3277 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2828 864 398 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2198 434 199 TATACOMM-AS TATA Communications formerl 45090 2150 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 10014 11395 3564 AMAZON-02, US 11492 4627 307 579 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3593 1320 79 SHAW, CA 174 3549 8782 872 COGENT-174, US 22773 3474 3040 218 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 DNIC-AS-00749, US 16625 3029 1297 2192 AKAMAI-AS, US 7018 2884 23668 1816 ATT-INTERNET4, US 396982 2761 3633 410 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 7727 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3760 3396 129 AKAMAI-ASN1, NL 9009 3540 302 1767 M247, RO 12389 2916 2294 870 ROSTELECOM-AS, RU 34984 2345 361 577 TELLCOM-AS, TR 8551 1768 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1679 122 1217 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1526 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 12173 3322 506 UNINET, MX 10620 3514 492 936 Telmex Colombia S.A., CO 13999 2547 355 668 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1342 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1247 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1130 315 480 Axtel, S.A.B. de C.V., MX 6147 1090 369 22 Telefonica del Peru S.A.A., PE 26615 1076 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 1614 389 20 LINKdotNET-AS, EG 24835 1557 593 29 RAYA-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1216 77 75 ORANGE-COTE-IVOIRE, CI 36935 939 521 43 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 15399 531 56 56 WANANCHI-, KE 36914 479 82 3 KENET-AS, KE 37342 470 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 12173 3322 506 UNINET, MX 16509 10014 11395 3564 AMAZON-02, US 9808 9829 8742 65 CHINAMOBILE-CN China Mobile Communicati 12479 7727 1708 145 UNI2-AS, ES 7545 5639 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4627 307 579 CABLEONE, US 18403 4218 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US 7552 3934 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9829 9764 CHINAMOBILE-CN China Mobile Communications Grou 12479 7727 7582 UNI2-AS, ES 16509 10014 6450 AMAZON-02, US 7545 5639 4968 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4218 4195 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4627 4048 CABLEONE, US 7552 3934 3913 VIETEL-AS-AP Viettel Group, VN 20940 3760 3631 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-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 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: 3491 BTN-ASN, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.112.0/24 Origin: 3741 IS, ZA 41.57.112.0/24 Transit: 2914 NTT-LTD-2914, 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 /9:14 /10:36 /11:93 /12:297 /13:569 /14:1165 /15:2050 /16:13198 /17:8127 /18:13568 /19:24316 /20:43030 /21:51084 /22:110630 /23:99009 /24:576869 /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 6817 7727 UNI2-AS, ES 8151 6217 12173 UNINET, MX 11492 3535 4627 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3593 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2580 3474 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2152 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2143 3514 Telmex Colombia S.A., CO 16509 2125 10014 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2288 2:1522 3:347 4:6 5:4547 6:159 7:6 8:1506 9:1 11:172 12:1455 13:360 14:2371 15:319 16:217 17:367 18:764 20:380 21:4 22:188 23:6796 24:2718 25:2 27:2551 29:19 31:2581 32:45 34:65 35:135 36:2310 37:4450 38:7598 39:897 40:141 41:4119 42:2044 43:2347 44:322 45:17098 46:4494 47:307 49:1957 50:1907 51:579 52:1581 54:313 55:976 56:8 57:183 58:2073 59:1197 60:1033 61:2626 62:2721 63:1882 64:5487 65:2317 66:4613 67:2991 68:1313 69:4095 70:1182 71:582 72:2879 74:2588 75:1546 76:622 77:2482 78:1861 79:1776 80:2186 81:2013 82:1621 83:1358 84:1667 85:3167 86:919 87:2023 88:1216 89:4123 90:679 91:8147 92:2318 93:2706 94:3727 95:4194 96:1276 97:315 98:1042 99:737 100:72 101:1166 102:3482 103:32450 104:4786 105:676 106:991 107:2475 108:1140 109:4034 110:2140 111:3252 112:2058 113:1751 114:1807 115:2068 116:1870 117:2656 118:2790 119:1994 120:1773 121:1300 122:2679 123:2213 124:1612 125:2858 126:32 128:1414 129:912 130:1154 131:1848 132:798 133:412 134:1736 135:322 136:1112 137:1045 138:2800 139:1530 140:1376 141:1361 142:1658 143:1597 144:1009 145:369 146:2060 147:1966 148:2503 149:2756 150:1036 151:1350 152:2212 153:525 154:6855 155:1491 156:2268 157:1834 158:1151 159:2314 160:2691 161:1700 162:3559 163:1700 164:1658 165:2157 166:1267 167:1802 168:4003 169:791 170:4891 171:1023 172:3852 173:3040 174:892 175:1233 176:3455 177:4772 178:3678 179:2219 180:2387 181:3744 182:3352 183:1982 184:2259 185:20807 186:4921 187:4472 188:4072 189:4216 190:9439 191:1508 192:10987 193:9125 194:7506 195:5316 196:3199 197:2634 198:5922 199:7899 200:8013 201:6299 202:10185 203:10147 204:4564 205:3629 206:4422 207:3485 208:4155 209:5013 210:4404 211:2527 212:4324 213:3491 214:1061 215:49 216:6784 217:3007 218:1295 219:414 220:1818 221:1024 222:695 223:2213 End of report