IPv4 R&E Routing Table Report 23:05 GMT Thu 01 Dec, 2022 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: 900659 Prefixes after maximum aggregation (per Origin AS): 342614 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442823 Number of IPv4 prefixes with a valid ROA: 364694 Number of IPv4 prefixes with an invalid ROA: 1522 Number of IPv4 prefixes with no ROA: 534443 Total ASes present in the Internet Routing Table: 73672 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63329 Origin ASes announcing only one prefix: 26028 Transit ASes present in the Internet Routing Table: 10343 Transit-only ASes present in the Internet Routing Table: 410 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 979 Number of instances of unregistered ASNs: 979 Number of 32-bit ASNs allocated by the RIRs: 40752 Number of 32-bit ASNs visible in the Routing Table: 33686 Prefixes from 32-bit ASNs in the Routing Table: 164176 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3061825280 Equivalent to 182 /8s, 127 /16s and 191 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 302742 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233405 Total APNIC prefixes after maximum aggregation: 67571 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228206 Unique aggregates announced from the APNIC address blocks: 97220 APNIC Region origin ASes present in the Internet Routing Table: 13042 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3790 APNIC Region transit ASes present in the Internet Routing Table: 1748 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8353 Number of APNIC addresses announced to Internet: 773006592 Equivalent to 46 /8s, 19 /16s and 37 /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, 131072-151865 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: 266017 Total ARIN prefixes after maximum aggregation: 121121 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267606 Unique aggregates announced from the ARIN address blocks: 129374 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6989 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4671 Number of ARIN addresses announced to Internet: 1288496640 Equivalent to 76 /8s, 204 /16s and 230 /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, 393216-401308 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: 254309 Total RIPE prefixes after maximum aggregation: 119410 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251080 Unique aggregates announced from the RIPE address blocks: 154946 RIPE Region origin ASes present in the Internet Routing Table: 28140 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 11985 RIPE Region transit ASes present in the Internet Routing Table: 3972 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10880 Number of RIPE addresses announced to Internet: 716099840 Equivalent to 42 /8s, 174 /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 196608-213403 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: 116987 Total LACNIC prefixes after maximum aggregation: 28131 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116336 Unique aggregates announced from the LACNIC address blocks: 48842 LACNIC Region origin ASes present in the Internet Routing Table: 10988 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2242 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: 8752 Number of LACNIC addresses announced to Internet: 175865344 Equivalent to 10 /8s, 123 /16s and 126 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 28962 Total AfriNIC prefixes after maximum aggregation: 5642 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36924 Unique aggregates announced from the AfriNIC address blocks: 12015 AfriNIC Region origin ASes present in the Internet Routing Table: 1698 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 587 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1030 Number of AfriNIC addresses announced to Internet: 108062720 Equivalent to 6 /8s, 112 /16s and 232 /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 9128 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5953 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3616 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1874 92 VNPT-AS-VN VNPT Corp, VN 9498 2563 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2305 848 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2285 11250 593 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 215 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7670 10624 2905 AMAZON-02, US 11492 4546 301 570 CABLEONE, US 7155 3892 265 32 VIASAT-SP-BACKBONE, US 22773 3704 3060 317 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1320 63 SHAW, CA 16625 3505 1828 2528 AKAMAI-AS, US 749 3063 50660 2330 DNIC-AS-00749, US 30036 2584 369 332 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2577 24059 1548 ATT-INTERNET4, US 396982 2565 3482 360 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 6955 1730 151 UNI2-AS, ES 20940 4070 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2290 912 ROSTELECOM-AS, RU 9009 2649 252 1361 M247, RO 34984 2250 357 609 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1801 937 531 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10797 3336 597 Uninet S.A. de C.V., MX 10620 3461 506 848 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2128 349 551 Mega Cable, S.A. de C.V., MX 28573 1329 2326 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1288 728 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 369 22 Telefonica del Peru S.A.A., PE 11664 1133 184 474 Techtel LMDS Comunicaciones Interactiva 26615 989 2466 43 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 1548 537 31 RAYA-AS, EG 24863 1537 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 40 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 529 54 45 WANANCHI-, KE 37342 441 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10797 3336 597 Uninet S.A. de C.V., MX 9808 9128 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7670 10624 2905 AMAZON-02, US 12479 6955 1730 151 UNI2-AS, ES 7545 5953 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 570 CABLEONE, US 20940 4070 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3892 265 32 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 9128 9081 CHINAMOBILE-CN China Mobile Communications Grou 12479 6955 6804 UNI2-AS, ES 7545 5953 5258 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7670 4765 AMAZON-02, US 11492 4546 3976 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3979 3941 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4070 3896 AKAMAI-ASN1, NL 7155 3892 3860 VIASAT-SP-BACKBONE, US 7552 3616 3595 VIETEL-AS-AP Viettel Group, VN 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /9:13 /10:38 /11:100 /12:295 /13:584 /14:1195 /15:2078 /16:13471 /17:8254 /18:13780 /19:24828 /20:42995 /21:50923 /22:108739 /23:96302 /24:537041 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5988 6955 UNI2-AS, ES 8151 4781 10797 Uninet S.A. de C.V., MX 11492 3453 4546 CABLEONE, US 8551 3443 3979 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3527 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2981 3892 VIASAT-SP-BACKBONE, US 22773 2734 3704 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2242 2584 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1851 2:1025 3:166 4:5 5:4071 6:118 7:5 8:1542 9:1 11:173 12:1616 13:380 14:2367 15:285 16:73 17:367 18:384 20:239 21:4 22:188 23:5999 24:2440 25:6 27:2708 29:19 31:2484 32:104 34:8 35:94 36:1834 37:4571 38:3865 39:771 40:144 41:3975 42:1182 43:2280 44:304 45:16340 46:4152 47:371 49:1703 50:1926 51:244 52:1506 54:397 55:842 56:8 57:78 58:1726 59:1104 60:1004 61:2422 62:2574 63:1948 64:5640 65:2334 66:4830 67:2984 68:1377 69:4130 70:1287 71:678 72:2982 74:2634 75:1469 76:596 77:2250 78:1822 79:3155 80:2050 81:1673 82:1498 83:1222 84:1488 85:2970 86:753 87:1924 88:1168 89:3490 90:576 91:7601 92:1986 93:2560 94:3535 95:3878 96:1315 97:343 98:1170 99:740 100:69 101:1282 102:2474 103:30415 104:4553 105:483 106:827 107:2531 108:909 109:4320 110:2016 111:3260 112:2038 113:1507 114:1593 115:2012 116:1882 117:2468 118:2332 119:1883 120:1693 121:1045 122:2571 123:2126 124:1535 125:2140 128:1204 129:967 130:961 131:2012 132:828 133:400 134:1904 135:267 136:877 137:922 138:2560 139:1521 140:1032 141:1480 142:1408 143:1422 144:1201 145:354 146:1883 147:1508 148:2245 149:1838 150:862 151:1144 152:1961 153:455 154:3788 155:1410 156:1636 157:1292 158:1037 159:2241 160:2573 161:1419 162:3513 163:1441 164:1671 165:1639 166:837 167:1746 168:3834 169:913 170:4570 171:867 172:3525 173:3100 174:1033 175:1157 176:3613 177:4783 178:3550 179:2137 180:2393 181:3339 182:3218 183:1937 184:2345 185:19936 186:4617 187:3944 188:4047 189:3429 190:9012 191:1462 192:10977 193:8784 194:7197 195:5080 196:3002 197:2439 198:5950 199:6080 200:7631 201:5827 202:10196 203:10047 204:4599 205:3490 206:3775 207:3351 208:4098 209:4762 210:4157 211:2390 212:4024 213:3459 214:1098 215:57 216:6575 217:2621 218:1264 219:410 220:1797 221:952 222:666 223:2001 End of report