IPv4 R&E Routing Table Report 23:05 GMT Tue 10 May, 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: 881111 Prefixes after maximum aggregation (per Origin AS): 335579 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 431639 Number of IPv4 prefixes with a valid ROA: 323024 Number of IPv4 prefixes with an invalid ROA: 1064 Number of IPv4 prefixes with no ROA: 557023 Total ASes present in the Internet Routing Table: 72942 Prefixes per ASN: 12.08 Origin-only ASes present in the Internet Routing Table: 62638 Origin ASes announcing only one prefix: 25736 Transit ASes present in the Internet Routing Table: 10304 Transit-only ASes present in the Internet Routing Table: 375 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 824 Number of instances of unregistered ASNs: 829 Number of 32-bit ASNs allocated by the RIRs: 39341 Number of 32-bit ASNs visible in the Routing Table: 32593 Prefixes from 32-bit ASNs in the Routing Table: 153362 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 454 Number of addresses announced to Internet: 3066318592 Equivalent to 182 /8s, 196 /16s and 79 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 296191 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228564 Total APNIC prefixes after maximum aggregation: 65986 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223713 Unique aggregates announced from the APNIC address blocks: 94753 APNIC Region origin ASes present in the Internet Routing Table: 12532 APNIC Prefixes per ASN: 17.85 APNIC Region origin ASes announcing only one prefix: 3564 APNIC Region transit ASes present in the Internet Routing Table: 1719 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: 7797 Number of APNIC addresses announced to Internet: 773311744 Equivalent to 46 /8s, 23 /16s and 205 /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: 260114 Total ARIN prefixes after maximum aggregation: 120000 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 260059 Unique aggregates announced from the ARIN address blocks: 125851 ARIN Region origin ASes present in the Internet Routing Table: 18957 ARIN Prefixes per ASN: 13.72 ARIN Region origin ASes announcing only one prefix: 6917 ARIN Region transit ASes present in the Internet Routing Table: 1870 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: 4468 Number of ARIN addresses announced to Internet: 1295156224 Equivalent to 77 /8s, 50 /16s and 132 /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: 249255 Total RIPE prefixes after maximum aggregation: 116097 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246620 Unique aggregates announced from the RIPE address blocks: 150442 RIPE Region origin ASes present in the Internet Routing Table: 28124 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 4001 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10708 Number of RIPE addresses announced to Internet: 713815552 Equivalent to 42 /8s, 139 /16s and 246 /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: 114531 Total LACNIC prefixes after maximum aggregation: 27393 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114356 Unique aggregates announced from the LACNIC address blocks: 48574 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2210 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8664 Number of LACNIC addresses announced to Internet: 176406784 Equivalent to 10 /8s, 131 /16s and 193 /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: 27823 Total AfriNIC prefixes after maximum aggregation: 5451 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35909 Unique aggregates announced from the AfriNIC address blocks: 11629 AfriNIC Region origin ASes present in the Internet Routing Table: 1625 AfriNIC Prefixes per ASN: 22.10 AfriNIC Region origin ASes announcing only one prefix: 559 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: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 956 Number of AfriNIC addresses announced to Internet: 107361792 Equivalent to 6 /8s, 102 /16s and 54 /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 9132 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5921 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3594 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3495 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2402 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 438 201 TATACOMM-AS TATA Communications formerl 24560 2053 855 379 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 6391 10287 2758 AMAZON-02, US 11492 4494 298 692 CABLEONE, US 22773 3921 3063 349 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3604 1840 2546 AKAMAI-AS, US 6327 3437 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2618 373 158 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2479 4961 421 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 492 CHARTER-20115, 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 6781 1730 150 UNI2-AS, ES 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3924 3360 191 AKAMAI-ASN1, NL 39891 3751 216 30 ALJAWWALSTC-AS, SA 6849 2907 355 21 UKRTELNET, UA 12389 2897 2273 908 ROSTELECOM-AS, RU 9009 2479 247 1294 M247, GB 34984 2239 357 635 TELLCOM-AS, TR 58224 1815 931 613 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 10589 3396 563 Uninet S.A. de C.V., MX 10620 3475 519 738 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1784 298 474 Mega Cable, S.A. de C.V., MX 6503 1454 355 527 Axtel, S.A.B. de C.V., MX 28573 1389 2333 253 CLARO S.A., BR 3816 1255 669 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 21 Telefonica del Peru S.A.A., PE 11664 1018 191 442 Techtel LMDS Comunicaciones Interactiva 11172 957 133 61 Alestra, S. de R.L. de C.V., MX 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 1649 393 21 LINKdotNET-AS, EG 24835 1442 501 30 RAYA-AS, EG 36992 1310 1518 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 932 65 59 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 511 51 33 WANANCHI-, KE 37342 467 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 10589 3396 563 Uninet S.A. de C.V., MX 9808 9132 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6781 1730 150 UNI2-AS, ES 16509 6391 10287 2758 AMAZON-02, US 7545 5921 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4494 298 692 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3924 3360 191 AKAMAI-ASN1, NL 22773 3921 3063 349 ASN-CXA-ALL-CCI-22773-RDC, US 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 9132 9091 CHINAMOBILE-CN China Mobile Communications Grou 12479 6781 6631 UNI2-AS, ES 7545 5921 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4494 3802 CABLEONE, US 20940 3924 3733 AKAMAI-ASN1, NL 39891 3751 3721 ALJAWWALSTC-AS, SA 16509 6391 3633 AMAZON-02, US 7552 3594 3575 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 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 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 23.185.16.0/24 Origin: 399244 BLOOM-HOST, US 23.185.16.0/24 Transit: 13335 CLOUDFLARENET, US 23.185.17.0/24 Origin: 399244 BLOOM-HOST, US 23.185.17.0/24 Transit: 13335 CLOUDFLARENET, US 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 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 /12:303 /13:589 /14:1203 /15:2098 /16:13515 /17:8238 /18:13774 /19:24838 /20:42397 /21:50721 /22:106977 /23:94298 /24:521985 /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 5761 6781 UNI2-AS, ES 8151 4304 10589 Uninet S.A. de C.V., MX 8551 3475 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3400 4494 CABLEONE, US 6327 3250 3437 SHAW, CA 39891 3067 3751 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2932 3921 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2275 2618 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1925 2:1034 3:154 4:6 5:3781 6:104 7:5 8:1524 9:1 11:172 12:1711 13:299 14:2368 15:199 16:45 17:385 18:159 20:209 21:4 22:188 23:5645 24:2273 25:6 27:2597 29:19 31:2409 32:93 34:1 35:73 36:1759 37:4376 38:2798 39:699 40:153 41:3972 42:1089 43:2165 44:292 45:15992 46:4129 47:294 49:1684 50:2106 51:100 52:1421 54:365 55:719 56:8 57:60 58:1697 59:1121 60:959 61:2248 62:2504 63:1944 64:5487 65:2319 66:4794 67:2971 68:1190 69:4135 70:1332 71:678 72:3044 74:2637 75:1390 76:584 77:2188 78:1851 79:3111 80:1991 81:1593 82:1494 83:1206 84:1350 85:2891 86:710 87:1963 88:1107 89:3271 90:521 91:7621 92:1995 93:2579 94:3488 95:3850 96:1304 97:348 98:999 99:737 100:75 101:1270 102:2086 103:28907 104:4354 105:463 106:871 107:2510 108:822 109:4196 110:2011 111:3228 112:2026 113:1474 114:1478 115:1971 116:1878 117:2510 118:2333 119:1858 120:1659 121:1018 122:2548 123:2094 124:1537 125:2057 128:1180 129:1092 130:958 131:2046 132:789 133:372 134:1893 135:289 136:879 137:849 138:2434 139:1501 140:848 141:1399 142:1279 143:1456 144:1213 145:343 146:1790 147:1480 148:2215 149:1716 150:844 151:1083 152:1848 153:457 154:3502 155:1425 156:1752 157:1226 158:1043 159:2173 160:2491 161:1268 162:3457 163:1262 164:1630 165:1612 166:702 167:1726 168:3773 169:841 170:4504 171:828 172:3132 173:3097 174:1024 175:1123 176:3502 177:4649 178:3486 179:2015 180:2314 181:2969 182:3191 183:1950 184:2380 185:19446 186:4335 187:3708 188:3857 189:3207 190:8856 191:1310 192:10988 193:8597 194:6991 195:4951 196:2989 197:2431 198:5953 199:6026 200:7402 201:5707 202:10094 203:9990 204:4548 205:3432 206:3687 207:3346 208:4026 209:4639 210:4055 211:2341 212:3969 213:3426 214:1159 215:67 216:6406 217:2664 218:1247 219:404 220:1669 221:977 222:670 223:2109 End of report