IPv4 R&E Routing Table Report 23:05 GMT Tue 19 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: 959341 Prefixes after maximum aggregation (per Origin AS): 367229 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469868 Number of IPv4 prefixes with a valid ROA: 509340 Number of IPv4 prefixes with an invalid ROA: 1100 Number of IPv4 prefixes with no ROA: 448901 Total ASes present in the Internet Routing Table: 76254 Prefixes per ASN: 12.58 Origin-only ASes present in the Internet Routing Table: 65511 Origin ASes announcing only one prefix: 26830 Transit ASes present in the Internet Routing Table: 10743 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 21 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: 1061 Number of 32-bit ASNs allocated by the RIRs: 45858 Number of 32-bit ASNs visible in the Routing Table: 37378 Prefixes from 32-bit ASNs in the Routing Table: 194273 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 495 Number of addresses announced to Internet: 3026586112 Equivalent to 180 /8s, 102 /16s and 10 /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: 314402 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252468 Total APNIC prefixes after maximum aggregation: 75067 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 244727 Unique aggregates announced from the APNIC address blocks: 101321 APNIC Region origin ASes present in the Internet Routing Table: 14354 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: 1901 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9852 Number of APNIC addresses announced to Internet: 755754240 Equivalent to 45 /8s, 11 /16s and 229 /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: 281622 Total ARIN prefixes after maximum aggregation: 125965 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 284053 Unique aggregates announced from the ARIN address blocks: 135871 ARIN Region origin ASes present in the Internet Routing Table: 19152 ARIN Prefixes per ASN: 14.83 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1910 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: 5055 Number of ARIN addresses announced to Internet: 1267052288 Equivalent to 75 /8s, 133 /16s and 175 /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: 268163 Total RIPE prefixes after maximum aggregation: 129927 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265091 Unique aggregates announced from the RIPE address blocks: 169080 RIPE Region origin ASes present in the Internet Routing Table: 28788 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3934 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: 12125 Number of RIPE addresses announced to Internet: 721998080 Equivalent to 43 /8s, 8 /16s and 209 /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: 122569 Total LACNIC prefixes after maximum aggregation: 29000 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120139 Unique aggregates announced from the LACNIC address blocks: 48703 LACNIC Region origin ASes present in the Internet Routing Table: 11164 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2464 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: 9082 Number of LACNIC addresses announced to Internet: 177367552 Equivalent to 10 /8s, 146 /16s and 106 /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: 33471 Total AfriNIC prefixes after maximum aggregation: 6616 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 44836 Unique aggregates announced from the AfriNIC address blocks: 14473 AfriNIC Region origin ASes present in the Internet Routing Table: 1905 AfriNIC Prefixes per ASN: 23.54 AfriNIC Region origin ASes announcing only one prefix: 693 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: 1264 Number of AfriNIC addresses announced to Internet: 104144896 Equivalent to 6 /8s, 53 /16s and 32 /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 10039 8752 84 CHINAMOBILE-CN China Mobile Communication 7545 6102 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4403 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3905 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3898 514 281 BBIL-AP BHARTI Airtel Ltd., IN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2792 832 542 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 11040 11959 3889 AMAZON-02, US 11492 4674 310 551 CABLEONE, US 174 4579 8764 872 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3409 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3040 23651 1928 ATT-INTERNET4, US 396982 2880 3655 430 GOOGLE-CLOUD-PLATFORM, US 16625 2805 1221 2100 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 7633 1709 143 UNI2-AS, ES 39891 4732 289 60 ALJAWWALSTC-AS, SA 20940 3877 3395 126 AKAMAI-ASN1, NL 9009 3668 316 1859 M247, RO 12389 2949 2295 875 ROSTELECOM-AS, RU 34984 2340 359 578 TELLCOM-AS, TR 212238 1839 134 1359 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1605 1852 14 TE-AS TE-AS, EG 62240 1467 97 727 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 11461 3220 612 UNINET, MX 10620 3543 494 943 Telmex Colombia S.A., CO 13999 2541 535 368 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 3816 1325 782 200 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 1119 371 22 Telefonica del Peru S.A.A., PE 22884 1064 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1018 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 1648 389 16 LINKdotNET-AS, EG 36992 1421 1518 288 ETISALAT-MISR, EG 29571 1399 88 60 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 37069 784 1099 15 MOBINIL, EG 20011 565 139 330 INTERNET-SOLUTIONS, ZA 6713 556 1861 35 IAM-AS, MA 36914 544 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 11461 3220 612 UNINET, MX 16509 11040 11959 3889 AMAZON-02, US 9808 10039 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7633 1709 143 UNI2-AS, ES 7545 6102 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4732 289 60 ALJAWWALSTC-AS, SA 11492 4674 310 551 CABLEONE, US 174 4579 8764 872 COGENT-174, US 18403 4403 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 10039 9955 CHINAMOBILE-CN China Mobile Communications Grou 12479 7633 7490 UNI2-AS, ES 16509 11040 7151 AMAZON-02, US 7545 6102 5443 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4732 4672 ALJAWWALSTC-AS, SA 18403 4403 4380 FPT-AS-AP FPT Telecom Company, VN 11492 4674 4123 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3905 3880 VIETEL-AS-AP Viettel Group, VN 20940 3877 3751 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 23.139.88.0/24 Origin: 397244 RESERVED, ZZ 23.139.88.0/24 Transit: 33387 NOCIX, 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 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 /14:1168 /15:2054 /16:13130 /17:8159 /18:13599 /19:24237 /20:43836 /21:51720 /22:111686 /23:99505 /24:589219 /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 6663 7633 UNI2-AS, ES 8151 5661 11461 UNINET, MX 11492 3555 4674 CABLEONE, US 39891 3424 4732 ALJAWWALSTC-AS, SA 6327 3400 3605 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2540 3409 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2251 11040 AMAZON-02, US 30036 2199 2539 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) ---------------------------------------------- 1:2278 2:1541 3:516 4:8 5:4440 6:166 7:6 8:1494 9:1 11:172 12:1413 13:364 14:2463 15:334 16:269 17:358 18:907 20:443 21:4 22:188 23:6987 24:2647 25:2 27:2648 29:19 31:3017 32:37 34:73 35:171 36:2371 37:4475 38:8892 39:891 40:149 41:4118 42:2082 43:2449 44:338 45:17679 46:4766 47:298 49:2013 50:1841 51:583 52:1576 54:316 55:977 56:8 57:229 58:2174 59:1174 60:1150 61:2784 62:2818 63:1835 64:5385 65:2267 66:4627 67:3012 68:1312 69:3973 70:1116 71:583 72:2855 74:2782 75:1629 76:635 77:2575 78:1877 79:1457 80:2195 81:2040 82:1756 83:1391 84:1754 85:3102 86:954 87:2154 88:1244 89:4376 90:707 91:8237 92:2599 93:2807 94:3824 95:4202 96:1244 97:313 98:1070 99:735 100:72 101:1413 102:3417 103:32234 104:4429 105:735 106:982 107:2397 108:1165 109:4063 110:2230 111:3256 112:2042 113:1775 114:1935 115:2103 116:1975 117:2700 118:2865 119:1945 120:1835 121:1354 122:2693 123:2152 124:1613 125:2840 126:62 128:1407 129:931 130:1233 131:1871 132:805 133:446 134:1525 135:317 136:1260 137:1089 138:2849 139:1536 140:1492 141:1445 142:1827 143:1600 144:1024 145:406 146:2093 147:2036 148:2563 149:2814 150:1144 151:1463 152:2101 153:499 154:7292 155:1567 156:2825 157:1839 158:1218 159:2429 160:3287 161:1737 162:3566 163:1760 164:1937 165:2136 166:1329 167:1847 168:4079 169:797 170:4995 171:994 172:3911 173:3129 174:920 175:1270 176:3528 177:4809 178:3687 179:2279 180:2539 181:3946 182:3350 183:2050 184:2265 185:21216 186:4993 187:4203 188:4197 189:4068 190:9553 191:1513 192:11148 193:9250 194:7617 195:5390 196:3207 197:3223 198:5890 199:8196 200:8007 201:6307 202:10240 203:10415 204:4595 205:3625 206:4583 207:3486 208:4230 209:5076 210:4515 211:2520 212:4533 213:3692 214:1051 215:47 216:6591 217:3074 218:1322 219:395 220:2092 221:1051 222:711 223:2281 End of report