IPv4 R&E Routing Table Report 23:05 GMT Fri 20 Dec, 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: 965348 Prefixes after maximum aggregation (per Origin AS): 368321 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 467792 Number of IPv4 prefixes with a valid ROA: 518252 Number of IPv4 prefixes with an invalid ROA: 1122 Number of IPv4 prefixes with no ROA: 445974 Total ASes present in the Internet Routing Table: 76339 Prefixes per ASN: 12.65 Origin-only ASes present in the Internet Routing Table: 65538 Origin ASes announcing only one prefix: 26825 Transit ASes present in the Internet Routing Table: 10801 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1048 Number of instances of unregistered ASNs: 1053 Number of 32-bit ASNs allocated by the RIRs: 45985 Number of 32-bit ASNs visible in the Routing Table: 37521 Prefixes from 32-bit ASNs in the Routing Table: 195935 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 486 Number of addresses announced to Internet: 3115942912 Equivalent to 185 /8s, 185 /16s and 132 /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: 316488 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252887 Total APNIC prefixes after maximum aggregation: 75579 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245362 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: 4414 APNIC Region transit ASes present in the Internet Routing Table: 1910 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: 9918 Number of APNIC addresses announced to Internet: 756149760 Equivalent to 45 /8s, 17 /16s and 238 /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: 284937 Total ARIN prefixes after maximum aggregation: 125716 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 286665 Unique aggregates announced from the ARIN address blocks: 131445 ARIN Region origin ASes present in the Internet Routing Table: 19158 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 5083 Number of ARIN addresses announced to Internet: 1345466624 Equivalent to 80 /8s, 50 /16s and 49 /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: 268939 Total RIPE prefixes after maximum aggregation: 130586 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265874 Unique aggregates announced from the RIPE address blocks: 170136 RIPE Region origin ASes present in the Internet Routing Table: 28808 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3946 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: 12160 Number of RIPE addresses announced to Internet: 732586240 Equivalent to 43 /8s, 170 /16s and 97 /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: 123341 Total LACNIC prefixes after maximum aggregation: 29207 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120835 Unique aggregates announced from the LACNIC address blocks: 48665 LACNIC Region origin ASes present in the Internet Routing Table: 11167 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2483 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: 9090 Number of LACNIC addresses announced to Internet: 177527808 Equivalent to 10 /8s, 148 /16s and 220 /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: 34196 Total AfriNIC prefixes after maximum aggregation: 6577 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 46126 Unique aggregates announced from the AfriNIC address blocks: 14696 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 24.15 AfriNIC Region origin ASes announcing only one prefix: 700 AfriNIC Region transit ASes present in the Internet Routing Table: 361 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 103955968 Equivalent to 6 /8s, 50 /16s and 62 /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 10092 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6194 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4474 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4037 522 279 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2809 841 543 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 12510 38200 3004 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4256 8764 879 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 7018 3262 23511 2070 ATT-INTERNET4, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2828 1228 2114 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 7705 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3878 3395 125 AKAMAI-ASN1, NL 9009 3691 317 1865 M247, RO 12389 2956 2294 881 ROSTELECOM-AS, RU 34984 2350 360 576 TELLCOM-AS, TR 212238 1835 133 1349 CDNEXT, GB 8452 1626 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1494 98 747 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 11522 3227 605 UNINET, MX 10620 3543 494 942 Telmex Colombia S.A., CO 13999 2538 541 372 Mega Cable, S.A. de C.V., MX 11830 1994 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 1117 371 22 Telefonica del Peru S.A.A., PE 22884 1066 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 999 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 24863 1651 389 16 LINKdotNET-AS, EG 24835 1649 593 29 RAYA-AS, EG 29571 1464 93 59 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 999 520 40 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 845 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 541 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 12510 38200 3004 AMAZON-02, US 8151 11522 3227 605 UNINET, MX 9808 10092 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7705 1709 143 UNI2-AS, ES 7545 6194 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4474 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4256 8764 879 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 11522 10917 UNINET, MX 9808 10092 10004 CHINAMOBILE-CN China Mobile Communications Grou 12479 7705 7562 UNI2-AS, ES 7545 6194 5532 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4474 4451 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4037 3758 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 /12:311 /13:589 /14:1221 /15:2148 /16:13929 /17:8187 /18:13619 /19:24497 /20:43665 /21:51698 /22:111522 /23:99926 /24:593869 /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 6677 7705 UNI2-AS, ES 8151 5715 11522 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 2262 12510 AMAZON-02, US 30036 2222 2561 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2173 3543 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) ---------------------------------------------- 1:2297 2:1559 3:532 4:9 5:4488 6:165 7:6 8:1543 9:1 11:172 12:1398 13:357 14:2469 15:334 16:269 17:359 18:900 20:446 21:4 22:188 23:7164 24:2728 25:2 27:2661 29:19 31:3038 32:37 34:72 35:176 36:2393 37:4494 38:8966 39:880 40:150 41:4177 42:2103 43:2485 44:339 45:17917 46:4965 47:296 49:1989 50:1876 51:587 52:1574 54:315 55:1035 56:8 57:232 58:2209 59:1177 60:1154 61:2827 62:2880 63:1825 64:5409 65:2215 66:4620 67:3020 68:1284 69:3981 70:1106 71:595 72:2856 74:2777 75:1634 76:630 77:2565 78:1849 79:1689 80:2202 81:2035 82:1777 83:1404 84:1781 85:3190 86:974 87:2158 88:1262 89:4339 90:759 91:8257 92:2740 93:2835 94:3839 95:4193 96:1245 97:308 98:1065 99:732 100:71 101:1415 102:3474 103:32283 104:4450 105:745 106:1010 107:2603 108:1181 109:4041 110:2227 111:3311 112:2038 113:1814 114:1936 115:2165 116:2009 117:2685 118:2885 119:1955 120:1858 121:1331 122:2719 123:2159 124:1591 125:2818 126:62 128:1560 129:935 130:1250 131:1849 132:796 133:450 134:1505 135:323 136:1333 137:1093 138:2902 139:1545 140:1513 141:1451 142:1832 143:1579 144:1025 145:406 146:2117 147:2031 148:2567 149:2826 150:1162 151:1478 152:2102 153:500 154:7668 155:1572 156:2928 157:1859 158:1246 159:2429 160:3419 161:1746 162:3606 163:1776 164:1688 165:2153 166:1347 167:1860 168:4088 169:794 170:5074 171:997 172:3997 173:3186 174:913 175:1279 176:3553 177:4887 178:3715 179:2261 180:2522 181:3953 182:3356 183:2086 184:2257 185:21272 186:5052 187:4279 188:4213 189:4136 190:9605 191:1555 192:11179 193:9286 194:7672 195:5413 196:3207 197:3588 198:5971 199:8273 200:8012 201:6258 202:10254 203:10457 204:4609 205:3640 206:4615 207:3493 208:4201 209:5078 210:4478 211:2504 212:4494 213:3755 214:1049 215:48 216:6574 217:3072 218:1321 219:377 220:2109 221:1051 222:676 223:2291 End of report