IPv4 R&E Routing Table Report 23:05 GMT Thu 02 Jan, 2025 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: 967099 Prefixes after maximum aggregation (per Origin AS): 369509 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469377 Number of IPv4 prefixes with a valid ROA: 520195 Number of IPv4 prefixes with an invalid ROA: 1112 Number of IPv4 prefixes with no ROA: 445792 Total ASes present in the Internet Routing Table: 76329 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65487 Origin ASes announcing only one prefix: 26815 Transit ASes present in the Internet Routing Table: 10842 Transit-only ASes present in the Internet Routing Table: 518 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1049 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 46003 Number of 32-bit ASNs visible in the Routing Table: 37535 Prefixes from 32-bit ASNs in the Routing Table: 196239 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 492 Number of addresses announced to Internet: 3115486720 Equivalent to 185 /8s, 178 /16s and 142 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 316649 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253805 Total APNIC prefixes after maximum aggregation: 76097 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245384 Unique aggregates announced from the APNIC address blocks: 102442 APNIC Region origin ASes present in the Internet Routing Table: 14411 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4417 APNIC Region transit ASes present in the Internet Routing Table: 1922 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9918 Number of APNIC addresses announced to Internet: 756492800 Equivalent to 45 /8s, 23 /16s and 42 /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: 285472 Total ARIN prefixes after maximum aggregation: 126343 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286749 Unique aggregates announced from the ARIN address blocks: 132213 ARIN Region origin ASes present in the Internet Routing Table: 19158 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 6977 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5091 Number of ARIN addresses announced to Internet: 1344045824 Equivalent to 80 /8s, 28 /16s and 131 /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: 269172 Total RIPE prefixes after maximum aggregation: 130526 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266212 Unique aggregates announced from the RIPE address blocks: 169976 RIPE Region origin ASes present in the Internet Routing Table: 28792 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12092 RIPE Region transit ASes present in the Internet Routing Table: 3951 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12163 Number of RIPE addresses announced to Internet: 732963328 Equivalent to 43 /8s, 176 /16s and 34 /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: 123098 Total LACNIC prefixes after maximum aggregation: 29294 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120583 Unique aggregates announced from the LACNIC address blocks: 48798 LACNIC Region origin ASes present in the Internet Routing Table: 11174 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2495 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9100 Number of LACNIC addresses announced to Internet: 177491456 Equivalent to 10 /8s, 148 /16s and 78 /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: 34503 Total AfriNIC prefixes after maximum aggregation: 6594 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 47679 Unique aggregates announced from the AfriNIC address blocks: 15534 AfriNIC Region origin ASes present in the Internet Routing Table: 1902 AfriNIC Prefixes per ASN: 25.07 AfriNIC Region origin ASes announcing only one prefix: 687 AfriNIC Region transit ASes present in the Internet Routing Table: 359 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1263 Number of AfriNIC addresses announced to Internet: 104235264 Equivalent to 6 /8s, 54 /16s and 129 /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 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6195 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4365 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4051 523 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3903 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2827 845 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 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 12474 37785 3181 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4249 8763 872 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3391 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3249 23514 2063 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2835 1229 2124 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 7696 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3879 3395 125 AKAMAI-ASN1, NL 9009 3737 321 1881 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2368 360 576 TELLCOM-AS, TR 212238 1846 133 1359 CDNEXT, GB 8452 1629 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1496 98 749 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 11531 3227 605 UNINET, MX 10620 3548 494 936 Telmex Colombia S.A., CO 13999 2531 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1073 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1001 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 1669 593 29 RAYA-AS, EG 24863 1643 389 18 LINKdotNET-AS, EG 29571 1473 93 60 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 537 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 16509 12474 37785 3181 AMAZON-02, US 8151 11531 3227 605 UNINET, MX 9808 10098 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7696 1709 143 UNI2-AS, ES 7545 6195 842 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4365 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4249 8763 872 COGENT-174, US 7155 4165 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 8151 11531 10926 UNINET, MX 9808 10098 10011 CHINAMOBILE-CN China Mobile Communications Grou 12479 7696 7553 UNI2-AS, ES 7545 6195 5532 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4365 4342 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3903 3878 VIETEL-AS-AP Viettel Group, VN 9498 4051 3778 BBIL-AP BHARTI Airtel Ltd., IN 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 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 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 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /10:42 /11:93 /12:310 /13:589 /14:1219 /15:2146 /16:13922 /17:8186 /18:13620 /19:24451 /20:43693 /21:51712 /22:111618 /23:99885 /24:595581 /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 6668 7696 UNI2-AS, ES 8151 5724 11531 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2526 3391 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2235 12474 AMAZON-02, US 30036 2225 2564 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3548 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) ---------------------------------------------- 1:2288 2:1540 3:538 4:9 5:4494 6:165 7:6 8:1548 9:1 11:172 12:1393 13:360 14:2473 15:334 16:270 17:359 18:906 20:446 21:4 22:188 23:7157 24:2729 25:2 27:2659 29:19 31:3020 32:37 34:72 35:176 36:2393 37:4498 38:8986 39:881 40:151 41:4145 42:2014 43:2492 44:341 45:18239 46:4957 47:290 49:2000 50:1865 51:587 52:1574 54:315 55:1025 56:8 57:232 58:2199 59:1179 60:1157 61:2837 62:2884 63:1829 64:5413 65:2211 66:4624 67:3023 68:1285 69:3970 70:1106 71:598 72:2856 74:2775 75:1634 76:626 77:2587 78:1846 79:1691 80:2203 81:2036 82:1792 83:1414 84:1796 85:3203 86:977 87:2155 88:1264 89:4314 90:760 91:8299 92:2739 93:2830 94:3838 95:4182 96:1258 97:308 98:1064 99:732 100:72 101:1366 102:3740 103:32363 104:4425 105:743 106:1013 107:2601 108:1181 109:4066 110:2212 111:3321 112:2036 113:1792 114:1936 115:2144 116:2009 117:2681 118:2881 119:1952 120:1858 121:1330 122:2734 123:2164 124:1589 125:2817 126:62 128:1556 129:938 130:1255 131:1843 132:796 133:450 134:1510 135:323 136:1337 137:1094 138:2891 139:1544 140:1515 141:1461 142:1816 143:1587 144:1025 145:430 146:2117 147:2031 148:2579 149:2801 150:1192 151:1544 152:2104 153:500 154:8068 155:1578 156:3487 157:1859 158:1251 159:2429 160:3435 161:1758 162:3614 163:1771 164:1684 165:2153 166:1343 167:1861 168:4093 169:797 170:5045 171:1000 172:3998 173:3186 174:915 175:1278 176:3570 177:4843 178:3719 179:2224 180:2521 181:3978 182:3349 183:2076 184:2256 185:21278 186:5042 187:4214 188:4219 189:4085 190:9602 191:1565 192:11201 193:9292 194:7673 195:5411 196:3233 197:3623 198:5967 199:8281 200:8042 201:6290 202:10297 203:10482 204:4598 205:3653 206:4617 207:3492 208:4188 209:5082 210:4475 211:2495 212:4505 213:3767 214:1054 215:48 216:6592 217:3082 218:1323 219:374 220:2109 221:1050 222:675 223:2287 End of report