IPv4 R&E Routing Table Report 23:05 GMT Sun 24 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: 960319 Prefixes after maximum aggregation (per Origin AS): 367864 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 470843 Number of IPv4 prefixes with a valid ROA: 510532 Number of IPv4 prefixes with an invalid ROA: 1179 Number of IPv4 prefixes with no ROA: 448608 Total ASes present in the Internet Routing Table: 76310 Prefixes per ASN: 12.58 Origin-only ASes present in the Internet Routing Table: 65541 Origin ASes announcing only one prefix: 26850 Transit ASes present in the Internet Routing Table: 10769 Transit-only ASes present in the Internet Routing Table: 512 Paths with bogon ASNs present in the IPv4 Routing Table: 19 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: 1051 Number of instances of unregistered ASNs: 1064 Number of 32-bit ASNs allocated by the RIRs: 45892 Number of 32-bit ASNs visible in the Routing Table: 37438 Prefixes from 32-bit ASNs in the Routing Table: 194627 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 482 Number of addresses announced to Internet: 3025708800 Equivalent to 180 /8s, 88 /16s and 167 /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: 314693 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252779 Total APNIC prefixes after maximum aggregation: 75190 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245103 Unique aggregates announced from the APNIC address blocks: 101726 APNIC Region origin ASes present in the Internet Routing Table: 14381 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4401 APNIC Region transit ASes present in the Internet Routing Table: 1902 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: 9885 Number of APNIC addresses announced to Internet: 755930624 Equivalent to 45 /8s, 14 /16s and 150 /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: 282023 Total ARIN prefixes after maximum aggregation: 126242 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284365 Unique aggregates announced from the ARIN address blocks: 136033 ARIN Region origin ASes present in the Internet Routing Table: 19143 ARIN Prefixes per ASN: 14.85 ARIN Region origin ASes announcing only one prefix: 6966 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: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5058 Number of ARIN addresses announced to Internet: 1265955840 Equivalent to 75 /8s, 116 /16s and 244 /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: 268722 Total RIPE prefixes after maximum aggregation: 130074 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 265710 Unique aggregates announced from the RIPE address blocks: 169395 RIPE Region origin ASes present in the Internet Routing Table: 28822 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12143 RIPE Region transit ASes present in the Internet Routing Table: 3941 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12143 Number of RIPE addresses announced to Internet: 722115840 Equivalent to 43 /8s, 10 /16s and 157 /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: 122354 Total LACNIC prefixes after maximum aggregation: 29099 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119909 Unique aggregates announced from the LACNIC address blocks: 48632 LACNIC Region origin ASes present in the Internet Routing Table: 11166 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2485 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: 9085 Number of LACNIC addresses announced to Internet: 177390848 Equivalent to 10 /8s, 146 /16s and 197 /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: 33390 Total AfriNIC prefixes after maximum aggregation: 6609 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 44750 Unique aggregates announced from the AfriNIC address blocks: 14652 AfriNIC Region origin ASes present in the Internet Routing Table: 1904 AfriNIC Prefixes per ASN: 23.50 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 360 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: 1267 Number of AfriNIC addresses announced to Internet: 104055808 Equivalent to 6 /8s, 51 /16s and 196 /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 10042 8752 84 CHINAMOBILE-CN China Mobile Communication 7545 6126 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4419 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3913 515 284 BBIL-AP BHARTI Airtel Ltd., IN 7552 3900 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 2794 833 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2215 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 11004 11951 3956 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4590 8765 879 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3604 1320 78 SHAW, CA 22773 3404 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3195 23562 2036 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 7648 1709 143 UNI2-AS, ES 39891 4745 290 61 ALJAWWALSTC-AS, SA 20940 3880 3395 126 AKAMAI-ASN1, NL 9009 3672 316 1862 M247, RO 12389 2941 2293 877 ROSTELECOM-AS, RU 34984 2343 360 573 TELLCOM-AS, TR 212238 1829 132 1351 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1601 1852 14 TE-AS TE-AS, EG 62240 1467 97 727 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 11470 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 1998 369 64 Instituto Costarricense de Electricidad y 3816 1327 783 201 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 28573 1322 2310 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1152 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1017 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 1407 89 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 37069 882 1083 15 MOBINIL, EG 20011 565 139 330 INTERNET-SOLUTIONS, ZA 6713 554 1861 35 IAM-AS, MA 36914 532 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 11470 3222 608 UNINET, MX 16509 11004 11951 3956 AMAZON-02, US 9808 10042 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7648 1709 143 UNI2-AS, ES 7545 6126 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4745 290 61 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4590 8765 879 COGENT-174, US 18403 4419 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 10042 9958 CHINAMOBILE-CN China Mobile Communications Grou 12479 7648 7505 UNI2-AS, ES 16509 11004 7048 AMAZON-02, US 7545 6126 5464 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4745 4684 ALJAWWALSTC-AS, SA 18403 4419 4396 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3900 3875 VIETEL-AS-AP Viettel Group, VN 20940 3880 3754 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 /16:13111 /17:8138 /18:13574 /19:24234 /20:43940 /21:51738 /22:111601 /23:99502 /24:590236 /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 6656 7648 UNI2-AS, ES 8151 5671 11470 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3436 4745 ALJAWWALSTC-AS, SA 6327 3400 3604 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2535 3404 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2260 11004 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 2:1539 3:521 4:8 5:4494 6:166 7:6 8:1492 9:1 11:172 12:1413 13:355 14:2462 15:336 16:269 17:359 18:901 20:444 21:4 22:188 23:7022 24:2650 25:2 27:2647 29:19 31:3020 32:37 34:73 35:172 36:2380 37:4482 38:8970 39:891 40:149 41:4146 42:2095 43:2458 44:338 45:17714 46:4812 47:296 49:2008 50:1840 51:584 52:1571 54:315 55:947 56:8 57:229 58:2185 59:1179 60:1150 61:2782 62:2822 63:1838 64:5404 65:2270 66:4618 67:3019 68:1311 69:3992 70:1115 71:590 72:2859 74:2780 75:1628 76:635 77:2545 78:1874 79:1658 80:2199 81:2042 82:1765 83:1413 84:1761 85:3138 86:959 87:2161 88:1254 89:4378 90:723 91:8253 92:2609 93:2838 94:3839 95:4219 96:1245 97:313 98:1067 99:733 100:71 101:1414 102:3420 103:32286 104:4434 105:732 106:982 107:2402 108:1175 109:4036 110:2234 111:3309 112:2036 113:1790 114:1934 115:2160 116:1982 117:2715 118:2867 119:1972 120:1837 121:1351 122:2705 123:2149 124:1615 125:2839 126:62 128:1453 129:935 130:1250 131:1860 132:799 133:448 134:1524 135:320 136:1265 137:1098 138:2843 139:1530 140:1491 141:1454 142:1830 143:1598 144:1025 145:406 146:2099 147:2047 148:2563 149:2825 150:1152 151:1463 152:2107 153:499 154:7319 155:1548 156:2800 157:1858 158:1223 159:2426 160:3318 161:1739 162:3574 163:1760 164:1933 165:2147 166:1328 167:1854 168:4092 169:795 170:4978 171:996 172:3940 173:3136 174:919 175:1273 176:3541 177:4772 178:3715 179:2243 180:2551 181:3928 182:3351 183:2051 184:2266 185:21242 186:4994 187:4188 188:4209 189:4073 190:9556 191:1511 192:11162 193:9250 194:7622 195:5394 196:3187 197:3104 198:5910 199:8214 200:7975 201:6297 202:10238 203:10407 204:4613 205:3647 206:4586 207:3492 208:4222 209:5085 210:4511 211:2522 212:4533 213:3683 214:1060 215:47 216:6578 217:3085 218:1294 219:393 220:2091 221:1051 222:710 223:2287 End of report