IPv4 R&E Routing Table Report 23:05 GMT Fri 08 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: 958295 Prefixes after maximum aggregation (per Origin AS): 367019 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469618 Number of IPv4 prefixes with a valid ROA: 507988 Number of IPv4 prefixes with an invalid ROA: 1194 Number of IPv4 prefixes with no ROA: 449113 Total ASes present in the Internet Routing Table: 76198 Prefixes per ASN: 12.58 Origin-only ASes present in the Internet Routing Table: 65464 Origin ASes announcing only one prefix: 26809 Transit ASes present in the Internet Routing Table: 10734 Transit-only ASes present in the Internet Routing Table: 503 Paths with bogon ASNs present in the IPv4 Routing Table: 16 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: 1052 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 45808 Number of 32-bit ASNs visible in the Routing Table: 37308 Prefixes from 32-bit ASNs in the Routing Table: 193885 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 119 Number of addresses announced to Internet: 3026877696 Equivalent to 180 /8s, 106 /16s and 125 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 64.1 Percentage of available address space allocated: 127.5 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 676985 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252219 Total APNIC prefixes after maximum aggregation: 75005 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 13549 Unique aggregates announced from the APNIC address blocks: 8874 APNIC Region origin ASes present in the Internet Routing Table: 14340 APNIC Prefixes per ASN: 0.94 APNIC Region origin ASes announcing only one prefix: 4380 APNIC Region transit ASes present in the Internet Routing Table: 1899 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9837 Number of APNIC addresses announced to Internet: 33080832 Equivalent to 1 /8s, 248 /16s and 198 /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 43/8, 45/8, 146/8, 150/8, 160/8, 163/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 281543 Total ARIN prefixes after maximum aggregation: 126071 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 88928 Unique aggregates announced from the ARIN address blocks: 53396 ARIN Region origin ASes present in the Internet Routing Table: 19151 ARIN Prefixes per ASN: 4.64 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1909 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: 5046 Number of ARIN addresses announced to Internet: 193105408 Equivalent to 11 /8s, 130 /16s and 142 /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 66/8, 139/8, 144/8, 149/8, 162/8, 164/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8, 208/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 267904 Total RIPE prefixes after maximum aggregation: 129800 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 18897 Unique aggregates announced from the RIPE address blocks: 15161 RIPE Region origin ASes present in the Internet Routing Table: 28772 RIPE Prefixes per ASN: 0.66 RIPE Region origin ASes announcing only one prefix: 12139 RIPE Region transit ASes present in the Internet Routing Table: 3919 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: 12088 Number of RIPE addresses announced to Internet: 34692608 Equivalent to 2 /8s, 17 /16s and 94 /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 152/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 122708 Total LACNIC prefixes after maximum aggregation: 28953 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 14846 Unique aggregates announced from the LACNIC address blocks: 7246 LACNIC Region origin ASes present in the Internet Routing Table: 11157 LACNIC Prefixes per ASN: 1.33 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2469 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: 9072 Number of LACNIC addresses announced to Internet: 9528064 Equivalent to 0 /8s, 145 /16s and 99 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 128/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 32869 Total AfriNIC prefixes after maximum aggregation: 6546 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 4231 Unique aggregates announced from the AfriNIC address blocks: 2229 AfriNIC Region origin ASes present in the Internet Routing Table: 1897 AfriNIC Prefixes per ASN: 2.23 AfriNIC Region origin ASes announcing only one prefix: 696 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: 1265 Number of AfriNIC addresses announced to Internet: 8143872 Equivalent to 0 /8s, 124 /16s and 68 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 161/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 10079 8752 84 CHINAMOBILE-CN China Mobile Communication 7545 6056 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4276 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3909 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3853 511 266 BBIL-AP BHARTI Airtel Ltd., IN 7713 3652 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2786 830 543 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2214 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 10986 12018 3850 AMAZON-02, US 11492 4656 309 560 CABLEONE, US 174 4510 8759 830 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3412 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3263 54896 2510 DNIC-AS-00749, US 7018 3196 23668 2018 ATT-INTERNET4, US 396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US 16625 2801 1223 2102 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 7636 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3855 3395 126 AKAMAI-ASN1, NL 9009 3669 316 1863 M247, RO 12389 2941 2295 878 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1843 134 1360 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1595 1852 14 TE-AS TE-AS, EG 8551 1474 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11453 3217 612 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2540 532 360 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 28573 1358 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1326 783 195 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 371 22 Telefonica del Peru S.A.A., PE 22884 1062 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1028 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 1422 1519 283 ETISALAT-MISR, EG 29571 1381 87 58 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1014 523 45 Vodafone-, EG 37069 591 1099 13 MOBINIL, EG 6713 555 1861 35 IAM-AS, MA 20011 544 138 318 INTERNET-SOLUTIONS, ZA 36914 517 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 11453 3217 612 UNINET, MX 16509 10986 12018 3850 AMAZON-02, US 9808 10079 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7636 1709 143 UNI2-AS, ES 7545 6056 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4656 309 560 CABLEONE, US 174 4510 8759 830 COGENT-174, US 18403 4276 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4163 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 10079 9995 CHINAMOBILE-CN China Mobile Communications Grou 12479 7636 7493 UNI2-AS, ES 16509 10986 7136 AMAZON-02, US 7545 6056 5397 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4276 4253 FPT-AS-AP FPT Telecom Company, VN 11492 4656 4096 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3909 3884 VIETEL-AS-AP Viettel Group, VN 20940 3855 3729 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 43.250.235.0/24 Origin: 133948 DIL-AS-AP DONGFONG INC LIMITED, HK 43.250.235.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 45.42.0.0/22 Origin: 16929 RESERVED, ZZ 45.42.0.0/22 Transit: 393275 VINGN-VIRGIN-ISLANDS-NEXT-GENERATION-NET 45.42.180.0/24 Origin: 31898 ORACLE-BMC-31898, US 45.42.180.0/24 Transit: 6453 AS6453, US 45.250.172.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 45.250.172.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 66.111.56.0/23 Origin: 393476 RESERVED, ZZ 66.111.56.0/23 Transit: 53828 NITEL, 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 /13:574 /14:1170 /15:2054 /16:13115 /17:8138 /18:13605 /19:24170 /20:43582 /21:51577 /22:111646 /23:99387 /24:588823 /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 16509 10042 10986 AMAZON-02, US 8151 8824 11453 UNINET, MX 9808 8058 10079 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN 12479 7321 7636 UNI2-AS, ES 39891 4649 4720 ALJAWWALSTC-AS, SA 18403 4189 4276 FPT-AS-AP FPT Telecom Company, VN 7545 3908 6056 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 3842 4656 CABLEONE, US 7552 3806 3909 VIETEL-AS-AP Viettel Group, VN 20940 3802 3855 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2277 2:1541 3:513 4:8 5:4456 6:168 7:6 8:1491 9:1 11:172 12:1423 13:362 14:2457 15:332 16:268 17:358 18:904 20:442 21:4 22:188 23:6940 24:2654 25:2 27:2648 29:19 31:2979 32:44 34:73 35:144 36:2362 37:4420 38:8835 39:919 40:154 41:4079 42:2024 43:2443 44:335 45:17734 46:4731 47:299 49:2010 50:1845 51:582 52:1577 54:316 55:902 56:8 57:223 58:2170 59:1205 60:1149 61:2774 62:2814 63:1840 64:5400 65:2274 66:4605 67:3007 68:1317 69:4007 70:1125 71:572 72:2854 74:2786 75:1631 76:634 77:2577 78:1876 79:1656 80:2187 81:2012 82:1787 83:1378 84:1749 85:3117 86:966 87:2160 88:1252 89:4373 90:695 91:8241 92:2596 93:2808 94:3824 95:4261 96:1248 97:314 98:1070 99:740 100:72 101:1406 102:3380 103:32259 104:4418 105:708 106:986 107:2399 108:1172 109:4065 110:2225 111:3302 112:2041 113:1775 114:1923 115:2148 116:1966 117:2704 118:2842 119:1982 120:1867 121:1350 122:2701 123:2149 124:1615 125:2825 126:62 128:1365 129:921 130:1252 131:1891 132:811 133:446 134:1525 135:318 136:1257 137:1084 138:2858 139:1535 140:1485 141:1449 142:1813 143:1591 144:1023 145:401 146:2101 147:2050 148:2554 149:2825 150:1129 151:1459 152:2102 153:498 154:7121 155:1554 156:2813 157:1830 158:1218 159:2426 160:3279 161:1736 162:3573 163:1756 164:1940 165:2127 166:1331 167:1842 168:4090 169:769 170:4994 171:993 172:3909 173:3131 174:915 175:1265 176:3486 177:4836 178:3695 179:2247 180:2524 181:3911 182:3331 183:2024 184:2271 185:21176 186:5006 187:4232 188:4211 189:4096 190:9586 191:1500 192:11177 193:9247 194:7585 195:5375 196:3202 197:3069 198:5899 199:8200 200:8063 201:6316 202:10231 203:10425 204:4636 205:3630 206:4560 207:3496 208:4221 209:5091 210:4515 211:2570 212:4524 213:3637 214:1054 215:48 216:6603 217:3037 218:1321 219:396 220:2078 221:1051 222:710 223:2304 End of report