IPv4 R&E Routing Table Report 23:05 GMT Fri 11 Oct, 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: 954899 Prefixes after maximum aggregation (per Origin AS): 365819 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467509 Number of IPv4 prefixes with a valid ROA: 503913 Number of IPv4 prefixes with an invalid ROA: 1186 Number of IPv4 prefixes with no ROA: 449800 Total ASes present in the Internet Routing Table: 76080 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 65373 Origin ASes announcing only one prefix: 26805 Transit ASes present in the Internet Routing Table: 10707 Transit-only ASes present in the Internet Routing Table: 503 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 54 Max AS path prepend of ASN (198039) 50 Prefixes from unregistered ASNs in the Routing Table: 994 Number of instances of unregistered ASNs: 1005 Number of 32-bit ASNs allocated by the RIRs: 45531 Number of 32-bit ASNs visible in the Routing Table: 37125 Prefixes from 32-bit ASNs in the Routing Table: 192309 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 531 Number of addresses announced to Internet: 3030306304 Equivalent to 180 /8s, 158 /16s and 206 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 313396 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251883 Total APNIC prefixes after maximum aggregation: 74896 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 244068 Unique aggregates announced from the APNIC address blocks: 100846 APNIC Region origin ASes present in the Internet Routing Table: 14301 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4352 APNIC Region transit ASes present in the Internet Routing Table: 1892 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: 9785 Number of APNIC addresses announced to Internet: 758840576 Equivalent to 45 /8s, 58 /16s and 253 /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: 280072 Total ARIN prefixes after maximum aggregation: 125770 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283153 Unique aggregates announced from the ARIN address blocks: 135318 ARIN Region origin ASes present in the Internet Routing Table: 19118 ARIN Prefixes per ASN: 14.81 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1902 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5014 Number of ARIN addresses announced to Internet: 1267267328 Equivalent to 75 /8s, 136 /16s and 247 /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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 266942 Total RIPE prefixes after maximum aggregation: 129192 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263647 Unique aggregates announced from the RIPE address blocks: 168083 RIPE Region origin ASes present in the Internet Routing Table: 28741 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12126 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: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12028 Number of RIPE addresses announced to Internet: 722125056 Equivalent to 43 /8s, 10 /16s and 193 /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, 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: 122109 Total LACNIC prefixes after maximum aggregation: 28787 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 119801 Unique aggregates announced from the LACNIC address blocks: 48521 LACNIC Region origin ASes present in the Internet Routing Table: 11151 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2460 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: 9051 Number of LACNIC addresses announced to Internet: 177558528 Equivalent to 10 /8s, 149 /16s and 84 /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: 32899 Total AfriNIC prefixes after maximum aggregation: 6535 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 43699 Unique aggregates announced from the AfriNIC address blocks: 14296 AfriNIC Region origin ASes present in the Internet Routing Table: 1884 AfriNIC Prefixes per ASN: 23.19 AfriNIC Region origin ASes announcing only one prefix: 685 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: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1247 Number of AfriNIC addresses announced to Internet: 104230400 Equivalent to 6 /8s, 54 /16s and 110 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 10058 8750 71 CHINAMOBILE-CN China Mobile Communication 7545 5960 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4488 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3981 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3838 510 266 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2775 828 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 434 196 TATACOMM-AS TATA Communications formerly 45090 2208 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 10882 11907 3795 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4487 8766 874 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3415 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3264 54912 2511 DNIC-AS-00749, US 7018 3198 23678 1978 ATT-INTERNET4, US 396982 2865 3652 422 GOOGLE-CLOUD-PLATFORM, US 16625 2799 1226 2107 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 7652 1708 141 UNI2-AS, ES 39891 4425 271 61 ALJAWWALSTC-AS, SA 20940 3798 3395 125 AKAMAI-ASN1, NL 9009 3640 312 1850 M247, RO 12389 2929 2295 882 ROSTELECOM-AS, RU 34984 2333 357 578 TELLCOM-AS, TR 212238 1773 130 1316 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 8551 1472 368 35 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 11534 3243 503 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2547 534 366 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1318 778 199 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1147 374 163 Axtel, S.A.B. de C.V., MX 6147 1106 369 22 Telefonica del Peru S.A.A., PE 22884 1061 97 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1044 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 1636 593 29 RAYA-AS, EG 24863 1615 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1343 85 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 992 523 47 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 37069 533 1100 11 MOBINIL, EG 36914 523 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 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 11534 3243 503 UNINET, MX 16509 10882 11907 3795 AMAZON-02, US 9808 10058 8750 71 CHINAMOBILE-CN China Mobile Communication 12479 7652 1708 141 UNI2-AS, ES 7545 5960 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4660 310 547 CABLEONE, US 18403 4488 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4487 8766 874 COGENT-174, US 39891 4425 271 61 ALJAWWALSTC-AS, SA 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 10058 9987 CHINAMOBILE-CN China Mobile Communications Grou 12479 7652 7511 UNI2-AS, ES 16509 10882 7087 AMAZON-02, US 7545 5960 5303 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4488 4465 FPT-AS-AP FPT Telecom Company, VN 39891 4425 4364 ALJAWWALSTC-AS, SA 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3981 3956 VIETEL-AS-AP Viettel Group, VN 20940 3798 3673 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 23.139.40.0/23 Origin: 945 8964, TW 23.139.40.0/23 Transit: 7018 ATT-INTERNET4, US 23.139.40.0/24 Origin: 202736 WISDOM, SG 23.139.40.0/24 Transit: 984 OWS, 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 /10:36 /11:91 /12:296 /13:577 /14:1171 /15:2057 /16:13177 /17:8172 /18:13607 /19:24252 /20:43501 /21:51611 /22:111416 /23:99194 /24:585709 /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 6712 7652 UNI2-AS, ES 8151 5714 11534 UNINET, MX 11492 3555 4660 CABLEONE, US 6327 3398 3603 SHAW, CA 39891 3187 4425 ALJAWWALSTC-AS, SA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2547 3415 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2220 10882 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2174 2513 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2273 2:1521 3:500 4:8 5:4474 6:168 7:6 8:1508 9:1 11:172 12:1425 13:371 14:2429 15:329 16:264 17:355 18:893 20:410 21:4 22:188 23:6852 24:2645 25:2 27:2651 29:19 31:2806 32:44 34:68 35:140 36:2355 37:4541 38:8663 39:919 40:154 41:4124 42:2146 43:2403 44:336 45:17498 46:4654 47:300 49:2004 50:1866 51:581 52:1579 54:318 55:955 56:8 57:221 58:2171 59:1199 60:1132 61:2764 62:2781 63:1853 64:5401 65:2268 66:4636 67:2978 68:1334 69:4009 70:1131 71:566 72:2859 74:2777 75:1626 76:630 77:2576 78:1864 79:1651 80:2191 81:2022 82:1730 83:1371 84:1743 85:3093 86:1007 87:2151 88:1258 89:4332 90:669 91:8230 92:2600 93:2635 94:3788 95:4295 96:1261 97:316 98:1073 99:740 100:74 101:1162 102:3403 103:32231 104:4451 105:710 106:984 107:2384 108:1161 109:4006 110:2179 111:3298 112:2045 113:1772 114:1917 115:2107 116:1948 117:2713 118:2872 119:1984 120:1866 121:1350 122:2687 123:2124 124:1614 125:2831 126:64 128:1396 129:930 130:1233 131:1829 132:808 133:444 134:1512 135:313 136:1211 137:1071 138:2853 139:1524 140:1456 141:1436 142:1766 143:1571 144:1022 145:386 146:2080 147:2039 148:2536 149:2826 150:1065 151:1385 152:2103 153:499 154:7016 155:1467 156:2578 157:1827 158:1201 159:2437 160:3178 161:1728 162:3567 163:1750 164:1930 165:2134 166:1293 167:1845 168:4068 169:776 170:4920 171:1028 172:3884 173:3106 174:902 175:1269 176:3465 177:4771 178:3582 179:2218 180:2487 181:3869 182:3320 183:2054 184:2261 185:21090 186:5037 187:4216 188:4244 189:4078 190:9649 191:1516 192:11032 193:9250 194:7578 195:5399 196:3239 197:3089 198:5897 199:8161 200:8044 201:6329 202:10189 203:10349 204:4548 205:3634 206:4567 207:3574 208:4190 209:5118 210:4497 211:2565 212:4486 213:3625 214:1068 215:48 216:6598 217:2992 218:1321 219:390 220:2068 221:1047 222:717 223:2246 End of report