IPv4 R&E Routing Table Report 23:05 GMT Mon 25 Nov, 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: 960592 Prefixes after maximum aggregation (per Origin AS): 367856 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 471247 Number of IPv4 prefixes with a valid ROA: 511505 Number of IPv4 prefixes with an invalid ROA: 1198 Number of IPv4 prefixes with no ROA: 447889 Total ASes present in the Internet Routing Table: 76294 Prefixes per ASN: 12.59 Origin-only ASes present in the Internet Routing Table: 65528 Origin ASes announcing only one prefix: 26825 Transit ASes present in the Internet Routing Table: 10766 Transit-only ASes present in the Internet Routing Table: 512 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 45893 Number of 32-bit ASNs visible in the Routing Table: 37437 Prefixes from 32-bit ASNs in the Routing Table: 194855 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 478 Number of addresses announced to Internet: 3025879040 Equivalent to 180 /8s, 91 /16s and 64 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 314742 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252888 Total APNIC prefixes after maximum aggregation: 75186 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245194 Unique aggregates announced from the APNIC address blocks: 101757 APNIC Region origin ASes present in the Internet Routing Table: 14381 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4396 APNIC Region transit ASes present in the Internet Routing Table: 1900 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9887 Number of APNIC addresses announced to Internet: 756035584 Equivalent to 45 /8s, 16 /16s and 48 /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: 282010 Total ARIN prefixes after maximum aggregation: 126330 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284363 Unique aggregates announced from the ARIN address blocks: 136326 ARIN Region origin ASes present in the Internet Routing Table: 19147 ARIN Prefixes per ASN: 14.85 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1908 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5062 Number of ARIN addresses announced to Internet: 1265968384 Equivalent to 75 /8s, 117 /16s and 37 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 268331 Total RIPE prefixes after maximum aggregation: 130073 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265368 Unique aggregates announced from the RIPE address blocks: 169418 RIPE Region origin ASes present in the Internet Routing Table: 28798 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 12131 RIPE Region transit ASes present in the Internet Routing Table: 3940 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12129 Number of RIPE addresses announced to Internet: 722079488 Equivalent to 43 /8s, 10 /16s and 15 /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, 53/8, 57/8, 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: 122514 Total LACNIC prefixes after maximum aggregation: 29095 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120076 Unique aggregates announced from the LACNIC address blocks: 48673 LACNIC Region origin ASes present in the Internet Routing Table: 11166 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2480 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9086 Number of LACNIC addresses announced to Internet: 177413632 Equivalent to 10 /8s, 147 /16s and 30 /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: 33804 Total AfriNIC prefixes after maximum aggregation: 6528 AfriNIC Deaggregation factor: 5.18 Prefixes being announced from the AfriNIC address blocks: 45113 Unique aggregates announced from the AfriNIC address blocks: 14672 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 23.62 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273 Number of AfriNIC addresses announced to Internet: 104123136 Equivalent to 6 /8s, 52 /16s and 203 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10041 8752 84 CHINAMOBILE-CN China Mobile Communication 7545 6130 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4451 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3915 515 285 BBIL-AP BHARTI Airtel Ltd., IN 7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2796 835 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2213 434 195 TATACOMM-AS TATA Communications formerly 45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 11033 11959 3945 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4664 8785 945 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3404 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3207 23565 2048 ATT-INTERNET4, US 396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US 16625 2805 1223 2098 AKAMAI-AS, 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 7654 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3882 3395 126 AKAMAI-ASN1, NL 9009 3683 317 1872 M247, RO 12389 2945 2294 880 ROSTELECOM-AS, RU 34984 2342 360 574 TELLCOM-AS, TR 212238 1827 132 1349 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1601 1852 14 TE-AS TE-AS, EG 62240 1469 97 729 CLOUVIDER Clouvider - Global ASN, 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 11474 3222 608 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2536 535 374 Mega Cable, S.A. de C.V., MX 11830 1986 369 64 Instituto Costarricense de Electricidad y 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 28573 1322 2310 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1095 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1015 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 1658 593 29 RAYA-AS, EG 24863 1645 389 16 LINKdotNET-AS, EG 36992 1421 1518 288 ETISALAT-MISR, EG 29571 1411 89 57 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 942 165 258 INTERNET-SOLUTIONS, ZA 37069 882 1083 15 MOBINIL, EG 6713 553 1861 35 IAM-AS, MA 36914 550 82 3 KENET-AS, KE 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 11474 3222 608 UNINET, MX 16509 11033 11959 3945 AMAZON-02, US 9808 10041 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7654 1709 143 UNI2-AS, ES 7545 6130 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4664 8785 945 COGENT-174, US 18403 4451 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 85 VIASAT-SP-BACKBONE, US 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 10041 9957 CHINAMOBILE-CN China Mobile Communications Grou 12479 7654 7511 UNI2-AS, ES 16509 11033 7088 AMAZON-02, US 7545 6130 5468 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4451 4428 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3908 3883 VIETEL-AS-AP Viettel Group, VN 20940 3882 3756 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-D 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 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 46639 UNALLOCATED 8.38.73.0/24 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 CONSOLE-CONNECT-ASN, US 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:36 /11:91 /12:295 /13:573 /14:1169 /15:2049 /16:13112 /17:8139 /18:13561 /19:24240 /20:43936 /21:51726 /22:111622 /23:99545 /24:590466 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6662 7654 UNI2-AS, ES 8151 5675 11474 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2535 3404 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2258 11033 AMAZON-02, US 30036 2203 2543 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2278 2:1541 3:526 4:8 5:4494 6:166 7:6 8:1488 9:1 11:172 12:1410 13:355 14:2461 15:336 16:269 17:359 18:902 20:446 21:4 22:188 23:7036 24:2647 25:2 27:2648 29:19 31:3031 32:37 34:71 35:172 36:2381 37:4508 38:8976 39:891 40:149 41:4132 42:2100 43:2454 44:339 45:17737 46:4817 47:296 49:2004 50:1837 51:584 52:1572 54:316 55:950 56:8 57:228 58:2212 59:1180 60:1150 61:2784 62:2823 63:1837 64:5406 65:2271 66:4617 67:3016 68:1309 69:3993 70:1115 71:590 72:2859 74:2778 75:1628 76:635 77:2543 78:1868 79:1487 80:2193 81:2039 82:1775 83:1452 84:1762 85:3135 86:963 87:2160 88:1254 89:4400 90:720 91:8252 92:2624 93:2850 94:3839 95:4205 96:1245 97:313 98:1067 99:733 100:71 101:1413 102:3426 103:32292 104:4434 105:733 106:984 107:2402 108:1176 109:3815 110:2238 111:3308 112:2036 113:1792 114:1934 115:2159 116:1988 117:2718 118:2866 119:1972 120:1837 121:1352 122:2700 123:2151 124:1614 125:2839 126:62 128:1466 129:935 130:1252 131:1878 132:802 133:448 134:1525 135:320 136:1266 137:1099 138:2857 139:1530 140:1495 141:1455 142:1830 143:1593 144:1025 145:408 146:2098 147:2049 148:2565 149:2825 150:1154 151:1463 152:2103 153:499 154:7325 155:1547 156:2741 157:1856 158:1223 159:2427 160:3332 161:1701 162:3575 163:1758 164:1935 165:2147 166:1336 167:1859 168:4107 169:794 170:5008 171:996 172:3939 173:3136 174:920 175:1274 176:3538 177:4785 178:3710 179:2238 180:2552 181:3923 182:3354 183:2050 184:2265 185:21232 186:4976 187:4188 188:4217 189:4071 190:9560 191:1523 192:11173 193:9239 194:7620 195:5388 196:3186 197:3491 198:5909 199:8211 200:8038 201:6291 202:10231 203:10418 204:4620 205:3661 206:4582 207:3493 208:4219 209:5083 210:4511 211:2522 212:4501 213:3678 214:1063 215:47 216:6578 217:3082 218:1295 219:393 220:2092 221:1051 222:710 223:2286 End of report