IPv4 R&E Routing Table Report 23:05 GMT Fri 19 Jul, 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: 939323 Prefixes after maximum aggregation (per Origin AS): 360408 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 462016 Number of IPv4 prefixes with a valid ROA: 479875 Number of IPv4 prefixes with an invalid ROA: 1142 Number of IPv4 prefixes with no ROA: 458306 Total ASes present in the Internet Routing Table: 74455 Prefixes per ASN: 12.62 Origin-only ASes present in the Internet Routing Table: 63994 Origin ASes announcing only one prefix: 26394 Transit ASes present in the Internet Routing Table: 10461 Transit-only ASes present in the Internet Routing Table: 502 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 973 Number of instances of unregistered ASNs: 984 Number of 32-bit ASNs allocated by the RIRs: 45013 Number of 32-bit ASNs visible in the Routing Table: 35497 Prefixes from 32-bit ASNs in the Routing Table: 184740 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3023402496 Equivalent to 180 /8s, 53 /16s and 118 /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: 310728 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242708 Total APNIC prefixes after maximum aggregation: 71676 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 234656 Unique aggregates announced from the APNIC address blocks: 97987 APNIC Region origin ASes present in the Internet Routing Table: 12867 APNIC Prefixes per ASN: 18.24 APNIC Region origin ASes announcing only one prefix: 4042 APNIC Region transit ASes present in the Internet Routing Table: 1757 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8465 Number of APNIC addresses announced to Internet: 759516672 Equivalent to 45 /8s, 69 /16s and 78 /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: 276929 Total ARIN prefixes after maximum aggregation: 125176 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281418 Unique aggregates announced from the ARIN address blocks: 134741 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6947 ARIN Region transit ASes present in the Internet Routing Table: 1893 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4934 Number of ARIN addresses announced to Internet: 1267133440 Equivalent to 75 /8s, 134 /16s and 236 /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: 265420 Total RIPE prefixes after maximum aggregation: 127598 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260728 Unique aggregates announced from the RIPE address blocks: 165443 RIPE Region origin ASes present in the Internet Routing Table: 28658 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12118 RIPE Region transit ASes present in the Internet Routing Table: 3892 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11886 Number of RIPE addresses announced to Internet: 714886912 Equivalent to 42 /8s, 156 /16s and 79 /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: 121772 Total LACNIC prefixes after maximum aggregation: 29085 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119738 Unique aggregates announced from the LACNIC address blocks: 50032 LACNIC Region origin ASes present in the Internet Routing Table: 11126 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2633 LACNIC Region transit ASes present in the Internet Routing Table: 2427 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9009 Number of LACNIC addresses announced to Internet: 177215744 Equivalent to 10 /8s, 144 /16s and 25 /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: 31521 Total AfriNIC prefixes after maximum aggregation: 6221 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 42255 Unique aggregates announced from the AfriNIC address blocks: 13377 AfriNIC Region origin ASes present in the Internet Routing Table: 1831 AfriNIC Prefixes per ASN: 23.08 AfriNIC Region origin ASes announcing only one prefix: 654 AfriNIC Region transit ASes present in the Internet Routing Table: 347 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1203 Number of AfriNIC addresses announced to Internet: 104371712 Equivalent to 6 /8s, 56 /16s and 150 /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 9844 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5658 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4190 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3960 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3786 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3240 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2822 859 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2196 433 199 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 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 10175 11546 3633 AMAZON-02, US 11492 4630 307 558 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3816 8790 885 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3420 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3252 54899 2504 DNIC-AS-00749, US 16625 3008 1296 2171 AKAMAI-AS, US 7018 2955 23691 1852 ATT-INTERNET4, US 396982 2760 3594 409 GOOGLE-CLOUD-PLATFORM, 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 7693 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3809 3396 129 AKAMAI-ASN1, NL 9009 3584 305 1828 M247, RO 12389 2868 2292 858 ROSTELECOM-AS, RU 34984 2346 361 578 TELLCOM-AS, TR 8551 1774 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1713 123 1252 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1537 1852 14 TE-AS TE-AS, EG 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 11870 3306 508 UNINET, MX 10620 3521 492 937 Telmex Colombia S.A., CO 13999 2544 354 679 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 783 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 26615 1084 2503 53 TIM SA, BR 6147 1080 369 22 Telefonica del Peru S.A.A., PE 22884 1061 97 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1612 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1381 1520 280 ETISALAT-MISR, EG 29571 1269 80 74 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 15399 519 56 58 WANANCHI-, KE 37342 512 32 1 MOVITEL, MZ 36914 499 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 11870 3306 508 UNINET, MX 16509 10175 11546 3633 AMAZON-02, US 9808 9844 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7693 1708 145 UNI2-AS, ES 7545 5658 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4630 307 558 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4190 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3960 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9844 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7693 7548 UNI2-AS, ES 16509 10175 6542 AMAZON-02, US 7545 5658 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4190 4166 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4630 4072 CABLEONE, US 7552 3960 3939 VIETEL-AS-AP Viettel Group, VN 20940 3809 3680 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: 6939 HURRICANE, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /10:37 /11:92 /12:294 /13:570 /14:1163 /15:2052 /16:13162 /17:8136 /18:13578 /19:24284 /20:43090 /21:51171 /22:110342 /23:98743 /24:572569 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6785 7693 UNI2-AS, ES 8151 5928 11870 UNINET, MX 11492 3539 4630 CABLEONE, US 6327 3391 3594 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2559 3420 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2168 2508 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2150 3521 Telmex Colombia S.A., CO 16509 2140 10175 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2289 2:1506 3:378 4:6 5:4381 6:149 7:6 8:1511 9:1 11:172 12:1438 13:363 14:2324 15:322 16:219 17:363 18:785 20:384 21:4 22:188 23:6881 24:2694 25:2 27:2484 29:19 31:2587 32:44 34:65 35:133 36:2310 37:4428 38:8111 39:911 40:149 41:4053 42:1985 43:2291 44:329 45:17245 46:4539 47:300 49:1935 50:1863 51:580 52:1573 54:315 55:923 56:8 57:214 58:2118 59:1153 60:1050 61:2647 62:2751 63:1881 64:5461 65:2288 66:4613 67:3005 68:1309 69:4052 70:1159 71:558 72:2855 74:2602 75:1552 76:623 77:2487 78:1866 79:1780 80:2176 81:2012 82:1653 83:1361 84:1694 85:3178 86:932 87:2028 88:1237 89:4205 90:692 91:8170 92:2342 93:2722 94:3732 95:4201 96:1279 97:317 98:1028 99:739 100:73 101:1153 102:3310 103:28963 104:4752 105:698 106:995 107:2494 108:1152 109:4060 110:2120 111:3188 112:2046 113:1774 114:1627 115:1872 116:1871 117:2632 118:2596 119:1861 120:1747 121:1292 122:2670 123:2160 124:1592 125:2833 126:32 128:1375 129:923 130:1174 131:1879 132:804 133:417 134:1726 135:319 136:1121 137:1041 138:2866 139:1517 140:1416 141:1376 142:1669 143:1632 144:1002 145:359 146:2095 147:2003 148:2548 149:2760 150:1029 151:1336 152:2215 153:522 154:6814 155:1430 156:2184 157:1817 158:1177 159:2430 160:2806 161:1700 162:3514 163:1676 164:1676 165:2130 166:1248 167:1819 168:4050 169:788 170:4937 171:1030 172:3874 173:3057 174:896 175:1190 176:3447 177:4643 178:3598 179:2233 180:2308 181:3800 182:3197 183:1978 184:2254 185:20871 186:4968 187:4376 188:4064 189:4175 190:9462 191:1505 192:11018 193:9164 194:7484 195:5296 196:3148 197:2731 198:5916 199:8024 200:8040 201:6215 202:9914 203:10027 204:4571 205:3633 206:4465 207:3490 208:4152 209:4984 210:4382 211:2529 212:4369 213:3598 214:1068 215:49 216:6722 217:3063 218:1326 219:429 220:1776 221:1016 222:692 223:2201 End of report