Global R&E Routing Table Report 23:05 GMT Fri 09 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850971 Prefixes after maximum aggregation (per Origin AS): 324132 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 411471 Total ASes present in the Internet Routing Table: 71458 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61337 Origin ASes announcing only one prefix: 25325 Transit ASes present in the Internet Routing Table: 10121 Transit-only ASes present in the Internet Routing Table: 341 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 52 Max AS path prepend of ASN ( 48366) 51 Prefixes from unregistered ASNs in the Routing Table: 1128 Number of instances of unregistered ASNs: 1137 Number of 32-bit ASNs allocated by the RIRs: 36584 Number of 32-bit ASNs visible in the Routing Table: 30351 Prefixes from 32-bit ASNs in the Routing Table: 137851 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: 529 Number of addresses announced to Internet: 3040754432 Equivalent to 181 /8s, 62 /16s and 59 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 291342 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216921 Total APNIC prefixes after maximum aggregation: 63005 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212579 Unique aggregates announced from the APNIC address blocks: 90483 APNIC Region origin ASes present in the Internet Routing Table: 11630 APNIC Prefixes per ASN: 18.28 APNIC Region origin ASes announcing only one prefix: 3289 APNIC Region transit ASes present in the Internet Routing Table: 1646 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6857 Number of APNIC addresses announced to Internet: 774562816 Equivalent to 46 /8s, 42 /16s and 228 /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, 131072-147769 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: 249380 Total ARIN prefixes after maximum aggregation: 113879 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249104 Unique aggregates announced from the ARIN address blocks: 118935 ARIN Region origin ASes present in the Internet Routing Table: 18800 ARIN Prefixes per ASN: 13.25 ARIN Region origin ASes announcing only one prefix: 6835 ARIN Region transit ASes present in the Internet Routing Table: 1935 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3964 Number of ARIN addresses announced to Internet: 1271305216 Equivalent to 75 /8s, 198 /16s and 148 /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: 246854 Total RIPE prefixes after maximum aggregation: 114855 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243208 Unique aggregates announced from the RIPE address blocks: 143491 RIPE Region origin ASes present in the Internet Routing Table: 28008 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 4002 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 52 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10293 Number of RIPE addresses announced to Internet: 710910208 Equivalent to 42 /8s, 95 /16s and 161 /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: 110590 Total LACNIC prefixes after maximum aggregation: 26546 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 111741 Unique aggregates announced from the LACNIC address blocks: 47147 LACNIC Region origin ASes present in the Internet Routing Table: 10771 LACNIC Prefixes per ASN: 10.37 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2078 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8411 Number of LACNIC addresses announced to Internet: 176044032 Equivalent to 10 /8s, 126 /16s and 56 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 26086 Total AfriNIC prefixes after maximum aggregation: 5083 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 33810 Unique aggregates announced from the AfriNIC address blocks: 10946 AfriNIC Region origin ASes present in the Internet Routing Table: 1485 AfriNIC Prefixes per ASN: 22.77 AfriNIC Region origin ASes announcing only one prefix: 509 AfriNIC Region transit ASes present in the Internet Routing Table: 289 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 826 Number of AfriNIC addresses announced to Internet: 107506176 Equivalent to 6 /8s, 104 /16s and 106 /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 7545 5800 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4931 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3562 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3526 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2877 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2358 483 247 BBIL-AP BHARTI Airtel Ltd., IN 4766 2206 11375 563 KIXS-AS-KR Korea Telecom, KR 4755 2115 437 192 TATACOMM-AS TATA Communications formerl 45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 24560 1952 840 340 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 5212 9530 2329 AMAZON-02, US 11492 4824 318 678 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3963 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3509 1814 2446 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2584 373 115 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2535 5036 473 CENTURYLINK-US-LEGACY-QWEST, US 5972 2204 444 801 DNIC-ASBLK-05800-06055, US 20115 2169 2946 493 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 47331 7752 1046 3510 TTNET, TR 12479 6737 1721 140 UNI2-AS, ES 20940 3699 3359 187 AKAMAI-ASN1, NL 8551 3327 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2461 260 1317 M247, GB 34984 2215 356 594 TELLCOM-AS, TR 61317 1618 256 822 ASDETUK www.heficed.com, GB 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 8562 3447 584 Uninet S.A. de C.V., MX 10620 3407 525 651 Telmex Colombia S.A., CO 11830 2510 369 62 Instituto Costarricense de Electricidad 13999 1780 432 452 Mega Cable, S.A. de C.V., MX 6503 1487 359 478 Axtel, S.A.B. de C.V., MX 28573 1421 2286 233 CLARO S.A., BR 3816 1241 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1094 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2351 134 TIM SA, BR 11664 991 199 444 Techtel LMDS Comunicaciones Interactiva 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 22 LINKdotNET-AS, EG 24835 1456 498 30 RAYA-AS, EG 36992 1306 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 709 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 529 522 40 Vodafone-, EG 15399 496 49 26 WANANCHI-, KE 37342 482 32 1 MOVITEL, MZ 23889 438 232 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 8562 3447 584 Uninet S.A. de C.V., MX 47331 7752 1046 3510 TTNET, TR 12479 6737 1721 140 UNI2-AS, ES 7545 5800 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5212 9530 2329 AMAZON-02, US 9808 4931 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4824 318 678 CABLEONE, US 7155 4006 264 32 VIASAT-SP-BACKBONE, US 22773 3963 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3699 3359 187 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 6737 6597 UNI2-AS, ES 7545 5800 5124 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4931 4877 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7752 4242 TTNET, TR 11492 4824 4146 CABLEONE, US 7155 4006 3974 VIASAT-SP-BACKBONE, US 22773 3963 3700 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3562 3542 VIETEL-AS-AP Viettel Group, VN 20940 3699 3512 AKAMAI-ASN1, NL 7713 3526 3470 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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 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 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US 3577 UNALLOCATED 12.19.197.0/24 7018 ATT-INTERNET4, 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 Transit: 11426 TWC-11426-CAROLINAS, US 23.162.32.0/24 Origin: 32444 SAFELINK-MV, US Transit: 6939 HURRICANE, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 41.57.124.0/22 Origin: 37442 UNASSIGNED Transit: 174 COGENT-174, 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 /8:17 /9:14 /10:40 /11:100 /12:306 /13:587 /14:1189 /15:2029 /16:13433 /17:8211 /18:13729 /19:24850 /20:40564 /21:49711 /22:105577 /23:90750 /24:499851 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6922 7752 TTNET, TR 12479 5679 6737 UNI2-AS, ES 11492 3801 4824 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3094 4006 VIASAT-SP-BACKBONE, US 8151 3076 8562 Uninet S.A. de C.V., MX 22773 2965 3963 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2791 3327 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2250 2584 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1890 2:1143 3:143 4:20 5:3568 6:79 7:5 8:1509 11:164 12:1739 13:363 14:2210 15:92 16:17 17:325 18:93 20:122 21:1 22:188 23:4828 24:2432 25:2 27:2522 29:19 31:2306 32:108 34:1 35:46 36:1441 37:3780 38:2161 39:568 40:164 41:3749 42:957 43:2055 44:262 45:15271 46:3687 47:351 49:1609 50:1812 51:101 52:1233 54:218 55:794 56:9 57:54 58:1631 59:1044 60:933 61:2186 62:2322 63:1966 64:5392 65:2363 66:5032 67:2893 68:1170 69:4067 70:1379 71:680 72:3139 74:2592 75:1491 76:697 77:2037 78:3687 79:2655 80:1855 81:1648 82:1365 83:1137 84:1252 85:3411 86:702 87:1821 88:2700 89:3021 90:505 91:7379 92:1799 93:2562 94:3123 95:4488 96:1296 97:343 98:977 99:969 100:77 101:1264 102:1545 103:26321 104:3836 105:436 106:794 107:2244 108:721 109:3861 110:1893 111:2769 112:1806 113:1287 114:1435 115:1942 116:1860 117:2217 118:2324 119:1860 120:1036 121:957 122:2479 123:2157 124:1529 125:1882 128:1247 129:1294 130:870 131:1994 132:741 133:360 134:1620 135:297 136:775 137:942 138:2414 139:1214 140:757 141:1200 142:1197 143:1318 144:1277 145:327 146:1457 147:1351 148:2197 149:1454 150:818 151:1079 152:1582 153:419 154:2879 155:1341 156:1618 157:1204 158:942 159:2023 160:2311 161:1225 162:3325 163:1008 164:1539 165:1422 166:616 167:1819 168:3647 169:696 170:4284 171:790 172:2502 173:2969 174:1004 175:1098 176:3169 177:4375 178:2928 179:1888 180:2320 181:2617 182:3163 183:1598 184:2417 185:18532 186:4088 187:3127 188:3335 189:2856 190:8774 191:1412 192:10692 193:8230 194:6708 195:4797 196:2908 197:2200 198:6010 199:5987 200:7386 201:5260 202:10172 203:10115 204:4628 205:3338 206:3528 207:3374 208:4021 209:4712 210:3951 211:2181 212:3732 213:3470 214:1167 215:58 216:6297 217:2576 218:1048 219:463 220:2030 221:901 222:677 223:1720 End of report