IPv4 R&E Routing Table Report 23:05 GMT Sat 09 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: 958630 Prefixes after maximum aggregation (per Origin AS): 367167 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469892 Number of IPv4 prefixes with a valid ROA: 508184 Number of IPv4 prefixes with an invalid ROA: 1152 Number of IPv4 prefixes with no ROA: 449166 Total ASes present in the Internet Routing Table: 76209 Prefixes per ASN: 12.58 Origin-only ASes present in the Internet Routing Table: 65481 Origin ASes announcing only one prefix: 26816 Transit ASes present in the Internet Routing Table: 10728 Transit-only ASes present in the Internet Routing Table: 499 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: 1051 Number of instances of unregistered ASNs: 1064 Number of 32-bit ASNs allocated by the RIRs: 45822 Number of 32-bit ASNs visible in the Routing Table: 37318 Prefixes from 32-bit ASNs in the Routing Table: 194006 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: 118 Number of addresses announced to Internet: 3026978816 Equivalent to 180 /8s, 108 /16s and 8 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 63.5 Percentage of available address space allocated: 128.7 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 680137 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252252 Total APNIC prefixes after maximum aggregation: 75019 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 12921 Unique aggregates announced from the APNIC address blocks: 8538 APNIC Region origin ASes present in the Internet Routing Table: 14342 APNIC Prefixes per ASN: 0.90 APNIC Region origin ASes announcing only one prefix: 4381 APNIC Region transit ASes present in the Internet Routing Table: 1906 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: 9841 Number of APNIC addresses announced to Internet: 32020736 Equivalent to 1 /8s, 232 /16s and 153 /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: 281602 Total ARIN prefixes after maximum aggregation: 126148 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 87787 Unique aggregates announced from the ARIN address blocks: 52868 ARIN Region origin ASes present in the Internet Routing Table: 19150 ARIN Prefixes per ASN: 4.58 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1911 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: 185295104 Equivalent to 11 /8s, 11 /16s and 97 /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, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8, 208/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 268136 Total RIPE prefixes after maximum aggregation: 129835 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 18149 Unique aggregates announced from the RIPE address blocks: 14823 RIPE Region origin ASes present in the Internet Routing Table: 28780 RIPE Prefixes per ASN: 0.63 RIPE Region origin ASes announcing only one prefix: 12139 RIPE Region transit ASes present in the Internet Routing Table: 3916 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: 12095 Number of RIPE addresses announced to Internet: 32679424 Equivalent to 1 /8s, 242 /16s and 166 /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: 122675 Total LACNIC prefixes after maximum aggregation: 28965 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 14530 Unique aggregates announced from the LACNIC address blocks: 7147 LACNIC Region origin ASes present in the Internet Routing Table: 11157 LACNIC Prefixes per ASN: 1.30 LACNIC Region origin ASes announcing only one prefix: 2632 LACNIC Region transit ASes present in the Internet Routing Table: 2466 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: 9069 Number of LACNIC addresses announced to Internet: 9203456 Equivalent to 0 /8s, 140 /16s and 111 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 128/8, 216/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 32914 Total AfriNIC prefixes after maximum aggregation: 6559 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 4132 Unique aggregates announced from the AfriNIC address blocks: 2162 AfriNIC Region origin ASes present in the Internet Routing Table: 1903 AfriNIC Prefixes per ASN: 2.17 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 359 Average AfriNIC Region AS path length visible: 5.4 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: 7702784 Equivalent to 0 /8s, 117 /16s and 137 /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 4296 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3910 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3855 511 268 BBIL-AP BHARTI Airtel Ltd., IN 7713 3652 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2787 831 543 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 10975 12017 3859 AMAZON-02, US 11492 4656 309 560 CABLEONE, US 174 4508 8759 828 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 3262 54895 2509 DNIC-AS-00749, US 7018 3196 23668 2018 ATT-INTERNET4, US 396982 2866 3654 420 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 1596 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 11454 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 1117 371 22 Telefonica del Peru S.A.A., PE 22884 1062 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1030 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 1659 593 29 RAYA-AS, EG 24863 1645 389 16 LINKdotNET-AS, EG 36992 1422 1519 283 ETISALAT-MISR, EG 29571 1380 87 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1014 523 45 Vodafone-, EG 37069 591 1099 13 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 20011 544 138 318 INTERNET-SOLUTIONS, ZA 36914 513 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 11454 3217 612 UNINET, MX 16509 10975 12017 3859 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 4508 8759 828 COGENT-174, US 18403 4296 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 10975 7116 AMAZON-02, US 7545 6056 5397 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4296 4273 FPT-AS-AP FPT Telecom Company, VN 11492 4656 4096 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3910 3885 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 /16:13114 /17:8142 /18:13607 /19:24176 /20:43603 /21:51599 /22:111677 /23:99395 /24:589065 /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 10052 10975 AMAZON-02, US 8151 8825 11454 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 4209 4296 FPT-AS-AP FPT Telecom Company, VN 7545 3907 6056 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 3842 4656 CABLEONE, US 7552 3807 3910 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) ---------------------------------------------- 1:2270 2:1540 3:513 4:8 5:4523 6:169 7:6 8:1492 9:1 11:172 12:1421 13:355 14:2456 15:332 16:267 17:358 18:903 20:442 21:4 22:188 23:6942 24:2654 25:2 27:2647 29:19 31:2973 32:44 34:73 35:144 36:2362 37:4423 38:8841 39:919 40:153 41:4026 42:2036 43:2446 44:337 45:17729 46:4735 47:298 49:2010 50:1845 51:582 52:1577 54:316 55:902 56:8 57:223 58:2170 59:1205 60:1149 61:2775 62:2814 63:1840 64:5398 65:2273 66:4604 67:3008 68:1317 69:3997 70:1125 71:572 72:2855 74:2787 75:1631 76:634 77:2576 78:1876 79:1658 80:2190 81:2028 82:1788 83:1384 84:1751 85:3117 86:968 87:2162 88:1254 89:4383 90:695 91:8249 92:2596 93:2807 94:3834 95:4260 96:1248 97:314 98:1070 99:740 100:72 101:1408 102:3409 103:32259 104:4422 105:727 106:985 107:2399 108:1172 109:4066 110:2224 111:3302 112:2042 113:1774 114:1923 115:2145 116:1965 117:2704 118:2848 119:1983 120:1869 121:1348 122:2701 123:2148 124:1615 125:2825 126:62 128:1367 129:924 130:1253 131:1890 132:810 133:446 134:1594 135:318 136:1257 137:1089 138:2861 139:1535 140:1485 141:1452 142:1806 143:1589 144:1022 145:401 146:2102 147:2050 148:2552 149:2824 150:1129 151:1459 152:2106 153:498 154:7134 155:1555 156:2813 157:1834 158:1219 159:2426 160:3274 161:1730 162:3571 163:1759 164:1937 165:2128 166:1332 167:1853 168:4097 169:777 170:5016 171:994 172:3921 173:3132 174:916 175:1265 176:3486 177:4829 178:3696 179:2246 180:2524 181:3914 182:3331 183:2024 184:2271 185:21185 186:5004 187:4214 188:4214 189:4104 190:9571 191:1501 192:11172 193:9246 194:7603 195:5375 196:3215 197:3061 198:5893 199:8206 200:8057 201:6296 202:10229 203:10423 204:4638 205:3628 206:4559 207:3498 208:4220 209:5093 210:4514 211:2570 212:4527 213:3637 214:1052 215:47 216:6607 217:3038 218:1322 219:396 220:2078 221:1050 222:710 223:2304 End of report