IPv4 R&E Routing Table Report 23:05 GMT Sat 23 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: 960298 Prefixes after maximum aggregation (per Origin AS): 367777 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 470837 Number of IPv4 prefixes with a valid ROA: 510483 Number of IPv4 prefixes with an invalid ROA: 1172 Number of IPv4 prefixes with no ROA: 448643 Total ASes present in the Internet Routing Table: 76300 Prefixes per ASN: 12.59 Origin-only ASes present in the Internet Routing Table: 65525 Origin ASes announcing only one prefix: 26840 Transit ASes present in the Internet Routing Table: 10775 Transit-only ASes present in the Internet Routing Table: 513 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: 1048 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 45874 Number of 32-bit ASNs visible in the Routing Table: 37425 Prefixes from 32-bit ASNs in the Routing Table: 194524 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: 482 Number of addresses announced to Internet: 3025806336 Equivalent to 180 /8s, 90 /16s and 36 /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: 314706 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252801 Total APNIC prefixes after maximum aggregation: 75198 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245110 Unique aggregates announced from the APNIC address blocks: 101714 APNIC Region origin ASes present in the Internet Routing Table: 14373 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4394 APNIC Region transit ASes present in the Internet Routing Table: 1905 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: 9877 Number of APNIC addresses announced to Internet: 755918848 Equivalent to 45 /8s, 14 /16s and 104 /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: 281941 Total ARIN prefixes after maximum aggregation: 126220 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284307 Unique aggregates announced from the ARIN address blocks: 135966 ARIN Region origin ASes present in the Internet Routing Table: 19139 ARIN Prefixes per ASN: 14.85 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1906 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: 5054 Number of ARIN addresses announced to Internet: 1265982464 Equivalent to 75 /8s, 117 /16s and 92 /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: 268598 Total RIPE prefixes after maximum aggregation: 130098 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265581 Unique aggregates announced from the RIPE address blocks: 169389 RIPE Region origin ASes present in the Internet Routing Table: 28819 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12144 RIPE Region transit ASes present in the Internet Routing Table: 3939 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: 12141 Number of RIPE addresses announced to Internet: 722150144 Equivalent to 43 /8s, 11 /16s and 35 /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: 122433 Total LACNIC prefixes after maximum aggregation: 29004 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119979 Unique aggregates announced from the LACNIC address blocks: 48721 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: 2643 LACNIC Region transit ASes present in the Internet Routing Table: 2484 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: 9083 Number of LACNIC addresses announced to Internet: 177410304 Equivalent to 10 /8s, 147 /16s and 17 /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: 33477 Total AfriNIC prefixes after maximum aggregation: 6608 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 44839 Unique aggregates announced from the AfriNIC address blocks: 14642 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 23.49 AfriNIC Region origin ASes announcing only one prefix: 697 AfriNIC Region transit ASes present in the Internet Routing Table: 363 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: 1270 Number of AfriNIC addresses announced to Internet: 104084736 Equivalent to 6 /8s, 52 /16s and 53 /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 4420 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3913 515 284 BBIL-AP BHARTI Airtel Ltd., IN 7552 3905 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 10993 11949 3960 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 3196 23562 2037 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 7652 1709 143 UNI2-AS, ES 39891 4749 290 61 ALJAWWALSTC-AS, SA 20940 3881 3395 126 AKAMAI-ASN1, NL 9009 3672 316 1862 M247, RO 12389 2942 2293 877 ROSTELECOM-AS, RU 34984 2344 360 573 TELLCOM-AS, TR 212238 1829 132 1351 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1600 1852 13 TE-AS TE-AS, EG 62240 1468 97 728 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 11464 3220 609 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2534 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 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1116 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1014 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 1646 389 16 LINKdotNET-AS, EG 36992 1421 1518 288 ETISALAT-MISR, EG 29571 1408 89 62 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 37069 886 1083 15 MOBINIL, EG 20011 565 139 330 INTERNET-SOLUTIONS, ZA 6713 556 1861 35 IAM-AS, MA 36914 546 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 11464 3220 609 UNINET, MX 16509 10993 11949 3960 AMAZON-02, US 9808 10042 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7652 1709 143 UNI2-AS, ES 7545 6126 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4749 290 61 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4590 8765 879 COGENT-174, US 18403 4420 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 7652 7509 UNI2-AS, ES 16509 10993 7033 AMAZON-02, US 7545 6126 5464 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4749 4688 ALJAWWALSTC-AS, SA 18403 4420 4397 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3905 3880 VIETEL-AS-AP Viettel Group, VN 20940 3881 3755 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 /16:13113 /17:8139 /18:13575 /19:24233 /20:43956 /21:51746 /22:111608 /23:99503 /24:590180 /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 6660 7652 UNI2-AS, ES 8151 5666 11464 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3440 4749 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 10993 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 3:520 4:8 5:4446 6:166 7:6 8:1494 9:1 11:172 12:1405 13:351 14:2462 15:336 16:269 17:356 18:902 20:443 21:4 22:188 23:7020 24:2652 25:2 27:2646 29:19 31:3018 32:37 34:73 35:173 36:2380 37:4473 38:8971 39:891 40:149 41:4154 42:2095 43:2458 44:339 45:17717 46:4815 47:297 49:2008 50:1839 51:582 52:1571 54:315 55:946 56:8 57:229 58:2185 59:1179 60:1150 61:2783 62:2822 63:1838 64:5403 65:2270 66:4618 67:3018 68:1311 69:3993 70:1115 71:590 72:2859 74:2774 75:1628 76:635 77:2542 78:1874 79:1645 80:2200 81:2040 82:1755 83:1393 84:1760 85:3137 86:960 87:2160 88:1254 89:4362 90:725 91:8250 92:2611 93:2834 94:3842 95:4216 96:1246 97:313 98:1067 99:733 100:71 101:1414 102:3426 103:32290 104:4434 105:732 106:982 107:2402 108:1175 109:4036 110:2234 111:3309 112:2036 113:1789 114:1934 115:2160 116:1981 117:2716 118:2866 119:1971 120:1839 121:1352 122:2702 123:2148 124:1617 125:2839 126:62 128:1451 129:930 130:1249 131:1861 132:802 133:448 134:1524 135:317 136:1263 137:1097 138:2846 139:1530 140:1479 141:1448 142:1830 143:1594 144:1025 145:406 146:2098 147:2048 148:2561 149:2826 150:1153 151:1470 152:2107 153:499 154:7319 155:1547 156:2793 157:1858 158:1220 159:2426 160:3315 161:1739 162:3574 163:1760 164:1930 165:2146 166:1328 167:1849 168:4083 169:795 170:4978 171:996 172:3938 173:3136 174:919 175:1273 176:3539 177:4773 178:3716 179:2264 180:2550 181:3924 182:3351 183:2051 184:2266 185:21245 186:4994 187:4200 188:4213 189:4071 190:9598 191:1505 192:11155 193:9255 194:7625 195:5401 196:3192 197:3139 198:5903 199:8213 200:7978 201:6296 202:10230 203:10437 204:4612 205:3643 206:4586 207:3489 208:4221 209:5087 210:4509 211:2522 212:4532 213:3685 214:1061 215:47 216:6581 217:3086 218:1294 219:393 220:2091 221:1051 222:710 223:2282 End of report