IPv4 R&E Routing Table Report 23:05 GMT Wed 22 Jun, 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: 885319 Prefixes after maximum aggregation (per Origin AS): 336740 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434200 Number of IPv4 prefixes with a valid ROA: 331676 Number of IPv4 prefixes with an invalid ROA: 1251 Number of IPv4 prefixes with no ROA: 552392 Total ASes present in the Internet Routing Table: 73053 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62732 Origin ASes announcing only one prefix: 25793 Transit ASes present in the Internet Routing Table: 10321 Transit-only ASes present in the Internet Routing Table: 379 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 888 Number of instances of unregistered ASNs: 891 Number of 32-bit ASNs allocated by the RIRs: 39635 Number of 32-bit ASNs visible in the Routing Table: 32795 Prefixes from 32-bit ASNs in the Routing Table: 155296 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: 492 Number of addresses announced to Internet: 3068048384 Equivalent to 182 /8s, 222 /16s and 180 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 297582 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228996 Total APNIC prefixes after maximum aggregation: 66274 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224232 Unique aggregates announced from the APNIC address blocks: 95388 APNIC Region origin ASes present in the Internet Routing Table: 12635 APNIC Prefixes per ASN: 17.75 APNIC Region origin ASes announcing only one prefix: 3611 APNIC Region transit ASes present in the Internet Routing Table: 1728 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7917 Number of APNIC addresses announced to Internet: 772936960 Equivalent to 46 /8s, 18 /16s and 21 /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: 262033 Total ARIN prefixes after maximum aggregation: 120070 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262271 Unique aggregates announced from the ARIN address blocks: 126792 ARIN Region origin ASes present in the Internet Routing Table: 18951 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6904 ARIN Region transit ASes present in the Internet Routing Table: 1865 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4509 Number of ARIN addresses announced to Internet: 1297150464 Equivalent to 77 /8s, 80 /16s and 242 /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: 250524 Total RIPE prefixes after maximum aggregation: 116709 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247750 Unique aggregates announced from the RIPE address blocks: 151456 RIPE Region origin ASes present in the Internet Routing Table: 28112 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 4003 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10711 Number of RIPE addresses announced to Internet: 713773312 Equivalent to 42 /8s, 139 /16s and 81 /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: 115027 Total LACNIC prefixes after maximum aggregation: 27481 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114818 Unique aggregates announced from the LACNIC address blocks: 48667 LACNIC Region origin ASes present in the Internet Routing Table: 10966 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2222 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: 8684 Number of LACNIC addresses announced to Internet: 176288000 Equivalent to 10 /8s, 129 /16s and 241 /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: 27851 Total AfriNIC prefixes after maximum aggregation: 5529 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 35756 Unique aggregates announced from the AfriNIC address blocks: 11480 AfriNIC Region origin ASes present in the Internet Routing Table: 1649 AfriNIC Prefixes per ASN: 21.68 AfriNIC Region origin ASes announcing only one prefix: 567 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 974 Number of AfriNIC addresses announced to Internet: 107616768 Equivalent to 6 /8s, 106 /16s and 26 /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 9231 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5918 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3577 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3493 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2421 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2253 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 215 TATACOMM-AS TATA Communications formerl 24560 2088 851 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6619 10372 2677 AMAZON-02, US 11492 4507 299 675 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3888 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3437 1319 63 SHAW, CA 16625 3432 1784 2504 AKAMAI-AS, US 749 2993 50740 2250 DNIC-AS-00749, US 30036 2627 374 157 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2477 3342 354 GOOGLE-CLOUD-PLATFORM, US 209 2434 4960 415 CENTURYLINK-US-LEGACY-QWEST, 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 6868 1730 145 UNI2-AS, ES 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3964 3360 194 AKAMAI-ASN1, NL 12389 2859 2287 884 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2518 249 1305 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 58224 1804 934 592 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 10714 3404 560 Uninet S.A. de C.V., MX 10620 3488 517 743 Telmex Colombia S.A., CO 11830 2430 369 64 Instituto Costarricense de Electricidad 13999 1875 307 493 Mega Cable, S.A. de C.V., MX 28573 1365 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1364 351 536 Axtel, S.A.B. de C.V., MX 3816 1259 674 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1072 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 438 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1587 393 19 LINKdotNET-AS, EG 24835 1540 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 16 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 10714 3404 560 Uninet S.A. de C.V., MX 9808 9231 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6868 1730 145 UNI2-AS, ES 16509 6619 10372 2677 AMAZON-02, US 7545 5918 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 675 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3964 3360 194 AKAMAI-ASN1, NL 7155 3901 264 31 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 9231 9196 CHINAMOBILE-CN China Mobile Communications Grou 12479 6868 6723 UNI2-AS, ES 7545 5918 5226 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6619 3942 AMAZON-02, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4507 3832 CABLEONE, US 20940 3964 3770 AKAMAI-ASN1, NL 7552 3577 3558 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:40 /11:100 /12:301 /13:589 /14:1198 /15:2091 /16:13467 /17:8235 /18:13728 /19:24729 /20:43029 /21:50837 /22:107296 /23:94943 /24:524701 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5847 6868 UNI2-AS, ES 8151 4440 10714 Uninet S.A. de C.V., MX 8551 3473 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3414 4507 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2903 3888 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2284 2627 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1920 2:1021 3:157 4:5 5:3790 6:109 7:6 8:1536 9:1 11:172 12:1647 13:331 14:2328 15:211 16:44 17:385 18:174 20:213 21:4 22:188 23:5677 24:2359 25:6 27:2613 29:19 31:2439 32:92 34:6 35:87 36:1835 37:4420 38:3096 39:713 40:153 41:3891 42:1120 43:2195 44:288 45:15815 46:4105 47:295 49:1679 50:2171 51:236 52:1443 54:379 55:808 56:8 57:58 58:1704 59:1110 60:961 61:2260 62:2492 63:1929 64:5529 65:2329 66:4822 67:2962 68:1186 69:4163 70:1324 71:680 72:3037 74:2643 75:1392 76:574 77:2207 78:1846 79:3124 80:1998 81:1604 82:1486 83:1203 84:1311 85:2929 86:712 87:1914 88:1151 89:3308 90:540 91:7605 92:2004 93:2538 94:3432 95:3839 96:1309 97:350 98:1004 99:748 100:76 101:1272 102:2136 103:29205 104:4468 105:467 106:873 107:2538 108:842 109:4258 110:1973 111:3272 112:2038 113:1468 114:1471 115:1969 116:1886 117:2524 118:2301 119:1843 120:1668 121:1017 122:2503 123:2082 124:1541 125:2042 128:1176 129:1057 130:974 131:2021 132:810 133:378 134:1927 135:278 136:879 137:862 138:2432 139:1526 140:892 141:1445 142:1290 143:1433 144:1206 145:348 146:1807 147:1507 148:2199 149:1746 150:859 151:1073 152:1842 153:460 154:3555 155:1442 156:1691 157:1244 158:1047 159:2213 160:2542 161:1273 162:3454 163:1276 164:1627 165:1622 166:715 167:1746 168:3797 169:870 170:4447 171:832 172:3221 173:3121 174:1017 175:1148 176:3563 177:4647 178:3530 179:2112 180:2325 181:2982 182:3202 183:1954 184:2346 185:19538 186:4308 187:3768 188:3927 189:3363 190:8937 191:1378 192:10996 193:8619 194:7024 195:4931 196:3039 197:2395 198:5934 199:6009 200:7460 201:5814 202:10078 203:9960 204:4528 205:3463 206:3678 207:3345 208:3997 209:4653 210:4156 211:2322 212:4007 213:3406 214:1134 215:65 216:6463 217:2644 218:1269 219:408 220:1677 221:1006 222:652 223:2122 End of report