IPv4 R&E Routing Table Report 23:05 GMT Sun 05 May, 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: 940853 Prefixes after maximum aggregation (per Origin AS): 360096 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 461167 Number of IPv4 prefixes with a valid ROA: 469628 Number of IPv4 prefixes with an invalid ROA: 1356 Number of IPv4 prefixes with no ROA: 469869 Total ASes present in the Internet Routing Table: 75501 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64953 Origin ASes announcing only one prefix: 26587 Transit ASes present in the Internet Routing Table: 10548 Transit-only ASes present in the Internet Routing Table: 492 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: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1010 Number of instances of unregistered ASNs: 1012 Number of 32-bit ASNs allocated by the RIRs: 44392 Number of 32-bit ASNs visible in the Routing Table: 36238 Prefixes from 32-bit ASNs in the Routing Table: 184746 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: 599 Number of addresses announced to Internet: 3025889280 Equivalent to 180 /8s, 91 /16s and 104 /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: 310680 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247902 Total APNIC prefixes after maximum aggregation: 72918 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 240250 Unique aggregates announced from the APNIC address blocks: 100578 APNIC Region origin ASes present in the Internet Routing Table: 14018 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4252 APNIC Region transit ASes present in the Internet Routing Table: 1866 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9466 Number of APNIC addresses announced to Internet: 760686848 Equivalent to 45 /8s, 87 /16s and 41 /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: 274643 Total ARIN prefixes after maximum aggregation: 124677 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 279358 Unique aggregates announced from the ARIN address blocks: 133661 ARIN Region origin ASes present in the Internet Routing Table: 19120 ARIN Prefixes per ASN: 14.61 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1907 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4887 Number of ARIN addresses announced to Internet: 1267746816 Equivalent to 75 /8s, 144 /16s and 72 /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: 265249 Total RIPE prefixes after maximum aggregation: 126718 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 260078 Unique aggregates announced from the RIPE address blocks: 163807 RIPE Region origin ASes present in the Internet Routing Table: 28583 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12103 RIPE Region transit ASes present in the Internet Routing Table: 3901 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11743 Number of RIPE addresses announced to Internet: 714347008 Equivalent to 42 /8s, 148 /16s and 18 /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: 121038 Total LACNIC prefixes after maximum aggregation: 28923 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119295 Unique aggregates announced from the LACNIC address blocks: 49483 LACNIC Region origin ASes present in the Internet Routing Table: 11061 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2607 LACNIC Region transit ASes present in the Internet Routing Table: 2364 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8946 Number of LACNIC addresses announced to Internet: 176933888 Equivalent to 10 /8s, 139 /16s and 204 /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: 31011 Total AfriNIC prefixes after maximum aggregation: 6174 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 41273 Unique aggregates announced from the AfriNIC address blocks: 13176 AfriNIC Region origin ASes present in the Internet Routing Table: 1830 AfriNIC Prefixes per ASN: 22.55 AfriNIC Region origin ASes announcing only one prefix: 658 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1196 Number of AfriNIC addresses announced to Internet: 105856256 Equivalent to 6 /8s, 79 /16s and 61 /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 9827 8742 61 CHINAMOBILE-CN China Mobile Communicati 7545 5662 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4625 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3872 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3707 506 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3553 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2789 863 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2195 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 9809 11354 3519 AMAZON-02, US 11492 4609 306 610 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3611 1320 79 SHAW, CA 174 3591 6635 842 COGENT-174, US 22773 3492 3040 228 ASN-CXA-ALL-CCI-22773-RDC, US 749 3227 54904 2479 DNIC-AS-00749, US 16625 3048 1296 2183 AKAMAI-AS, US 367 2828 3545 1341 DNIC-ASBLK-00306-00371, US 7018 2795 23651 1785 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 7703 1708 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3825 3396 127 AKAMAI-ASN1, NL 9009 3293 285 1615 M247, RO 12389 2945 2302 880 ROSTELECOM-AS, RU 8551 2641 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2347 363 584 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1569 1852 14 TE-AS TE-AS, EG 212238 1562 111 1132 CDNEXT, 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 12167 3286 496 UNINET, MX 10620 3523 495 914 Telmex Colombia S.A., CO 13999 2538 351 663 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1330 2304 302 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 788 190 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1172 176 434 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 6147 1101 369 22 Telefonica del Peru S.A.A., PE 26615 1070 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 24835 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1371 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1198 77 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 534 55 55 WANANCHI-, KE 36914 468 82 3 KENET-AS, KE 24757 434 73 5 EthioNet-AS, ET 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 12167 3286 496 UNINET, MX 9808 9827 8742 61 CHINAMOBILE-CN China Mobile Communicati 16509 9809 11354 3519 AMAZON-02, US 12479 7703 1708 144 UNI2-AS, ES 7545 5662 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4625 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4609 306 610 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3872 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 9827 9766 CHINAMOBILE-CN China Mobile Communications Grou 12479 7703 7559 UNI2-AS, ES 16509 9809 6290 AMAZON-02, US 7545 5662 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4625 4602 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4609 3999 CABLEONE, US 7552 3872 3851 VIETEL-AS-AP Viettel Group, VN 20940 3825 3698 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 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 3491 BTN-ASN, 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 /11:95 /12:298 /13:578 /14:1179 /15:2056 /16:13210 /17:8130 /18:13577 /19:24379 /20:42986 /21:50908 /22:110337 /23:98436 /24:574610 /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 6816 7703 UNI2-AS, ES 8151 6273 12167 UNINET, MX 11492 3518 4609 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3408 3611 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2592 3492 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2152 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2136 3523 Telmex Colombia S.A., CO 8551 2117 2641 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2299 2:1498 3:334 4:6 5:4538 6:164 7:6 8:1499 9:1 11:172 12:1459 13:361 14:2368 15:318 16:210 17:367 18:765 20:365 21:4 22:188 23:6713 24:2709 25:2 27:2567 29:19 31:2563 32:45 34:63 35:131 36:2295 37:4485 38:7403 39:896 40:125 41:4118 42:2234 43:2342 44:317 45:17030 46:4469 47:307 49:1901 50:1906 51:572 52:1581 54:311 55:992 56:5 57:166 58:2014 59:1181 60:1034 61:2630 62:2680 63:1899 64:5518 65:2343 66:4667 67:2992 68:1321 69:4111 70:1188 71:581 72:2876 74:2589 75:1555 76:609 77:2475 78:1855 79:2511 80:2190 81:2015 82:1564 83:1328 84:1649 85:3154 86:843 87:1973 88:1239 89:4075 90:671 91:8102 92:2296 93:2683 94:3718 95:4179 96:1288 97:315 98:1043 99:741 100:72 101:1170 102:3125 103:32460 104:4836 105:654 106:934 107:2778 108:1144 109:4113 110:2136 111:3253 112:2063 113:1804 114:1774 115:2068 116:1872 117:2638 118:2839 119:1968 120:1766 121:1269 122:2651 123:2197 124:1627 125:2855 126:32 128:1430 129:893 130:1140 131:1831 132:793 133:410 134:1730 135:320 136:951 137:1038 138:2809 139:1538 140:1378 141:1349 142:1587 143:1497 144:1000 145:361 146:2052 147:1862 148:2490 149:2720 150:1034 151:1344 152:2139 153:525 154:6468 155:1458 156:2273 157:1758 158:1145 159:2316 160:2654 161:1662 162:3548 163:1695 164:1639 165:2137 166:1166 167:1793 168:3908 169:796 170:4835 171:995 172:3835 173:3039 174:892 175:1204 176:3677 177:4651 178:3725 179:2204 180:2354 181:3708 182:3389 183:2019 184:2268 185:20749 186:5011 187:4419 188:4071 189:4105 190:9405 191:1428 192:10938 193:9093 194:7496 195:5262 196:3165 197:2471 198:5911 199:7765 200:7954 201:6324 202:10220 203:10151 204:4558 205:3718 206:4450 207:3425 208:4127 209:5011 210:4395 211:2487 212:4304 213:3431 214:1057 215:49 216:6763 217:2996 218:1311 219:408 220:1821 221:1033 222:703 223:2211 End of report