Global R&E Routing Table Report 23:05 GMT Sun 04 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850297 Prefixes after maximum aggregation (per Origin AS): 323834 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 410860 Total ASes present in the Internet Routing Table: 71400 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61292 Origin ASes announcing only one prefix: 25325 Transit ASes present in the Internet Routing Table: 10108 Transit-only ASes present in the Internet Routing Table: 333 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: 1118 Number of instances of unregistered ASNs: 1127 Number of 32-bit ASNs allocated by the RIRs: 36546 Number of 32-bit ASNs visible in the Routing Table: 30312 Prefixes from 32-bit ASNs in the Routing Table: 137551 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 514 Number of addresses announced to Internet: 3040033792 Equivalent to 181 /8s, 51 /16s and 60 /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: 291198 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216634 Total APNIC prefixes after maximum aggregation: 62925 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212361 Unique aggregates announced from the APNIC address blocks: 90302 APNIC Region origin ASes present in the Internet Routing Table: 11598 APNIC Prefixes per ASN: 18.31 APNIC Region origin ASes announcing only one prefix: 3282 APNIC Region transit ASes present in the Internet Routing Table: 1649 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: 6825 Number of APNIC addresses announced to Internet: 774114048 Equivalent to 46 /8s, 36 /16s and 11 /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: 249116 Total ARIN prefixes after maximum aggregation: 113800 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 248891 Unique aggregates announced from the ARIN address blocks: 118767 ARIN Region origin ASes present in the Internet Routing Table: 18798 ARIN Prefixes per ASN: 13.24 ARIN Region origin ASes announcing only one prefix: 6835 ARIN Region transit ASes present in the Internet Routing Table: 1937 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: 3952 Number of ARIN addresses announced to Internet: 1271532288 Equivalent to 75 /8s, 202 /16s and 11 /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: 246836 Total RIPE prefixes after maximum aggregation: 114732 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243108 Unique aggregates announced from the RIPE address blocks: 143258 RIPE Region origin ASes present in the Internet Routing Table: 27992 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12026 RIPE Region transit ASes present in the Internet Routing Table: 3990 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: 10281 Number of RIPE addresses announced to Internet: 710709504 Equivalent to 42 /8s, 92 /16s and 145 /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: 110685 Total LACNIC prefixes after maximum aggregation: 26568 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 111862 Unique aggregates announced from the LACNIC address blocks: 47188 LACNIC Region origin ASes present in the Internet Routing Table: 10776 LACNIC Prefixes per ASN: 10.38 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2066 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8423 Number of LACNIC addresses announced to Internet: 176055808 Equivalent to 10 /8s, 126 /16s and 102 /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: 25896 Total AfriNIC prefixes after maximum aggregation: 5064 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 33561 Unique aggregates announced from the AfriNIC address blocks: 10883 AfriNIC Region origin ASes present in the Internet Routing Table: 1488 AfriNIC Prefixes per ASN: 22.55 AfriNIC Region origin ASes announcing only one prefix: 514 AfriNIC Region transit ASes present in the Internet Routing Table: 293 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 41 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 831 Number of AfriNIC addresses announced to Internet: 107195136 Equivalent to 6 /8s, 99 /16s and 171 /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 5794 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4932 8999 55 CMNET-GD Guangdong Mobile Communication 7552 3569 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3528 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2867 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2358 483 247 BBIL-AP BHARTI Airtel Ltd., IN 4766 2218 11375 563 KIXS-AS-KR Korea Telecom, KR 45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2113 437 190 TATACOMM-AS TATA Communications formerl 24560 1953 840 339 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 5216 9530 2333 AMAZON-02, US 11492 4795 316 671 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3967 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3499 1809 2436 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2582 373 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2536 5037 475 CENTURYLINK-US-LEGACY-QWEST, US 5972 2251 451 786 DNIC-ASBLK-05800-06055, US 20115 2168 2930 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 47331 7800 1050 3505 TTNET, TR 12479 6728 1721 140 UNI2-AS, ES 20940 3660 3359 189 AKAMAI-ASN1, NL 8551 3337 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2884 2283 895 ROSTELECOM-AS, RU 9009 2453 259 1309 M247, GB 34984 2218 357 595 TELLCOM-AS, TR 61317 1612 255 815 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 8536 3443 593 Uninet S.A. de C.V., MX 10620 3407 525 651 Telmex Colombia S.A., CO 11830 2509 369 62 Instituto Costarricense de Electricidad 13999 1773 433 462 Mega Cable, S.A. de C.V., MX 6503 1447 359 479 Axtel, S.A.B. de C.V., MX 28573 1421 2285 234 CLARO S.A., BR 3816 1239 650 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1112 374 31 Telefonica del Peru S.A.A., PE 26615 1071 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 1652 393 22 LINKdotNET-AS, EG 24835 1456 498 30 RAYA-AS, EG 36992 1303 1489 266 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 710 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 529 522 40 Vodafone-, EG 15399 495 49 25 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 8536 3443 593 Uninet S.A. de C.V., MX 47331 7800 1050 3505 TTNET, TR 12479 6728 1721 140 UNI2-AS, ES 7545 5794 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5216 9530 2333 AMAZON-02, US 9808 4932 8999 55 CMNET-GD Guangdong Mobile Communication 11492 4795 316 671 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3967 3013 263 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3660 3359 189 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 6728 6588 UNI2-AS, ES 7545 5794 5118 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4932 4877 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7800 4295 TTNET, TR 11492 4795 4124 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3967 3704 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3569 3549 VIETEL-AS-AP Viettel Group, VN 7713 3528 3472 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3660 3471 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 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 /8:17 /9:14 /10:40 /11:100 /12:306 /13:587 /14:1188 /15:2028 /16:13423 /17:8202 /18:13732 /19:24824 /20:40549 /21:49671 /22:105531 /23:90681 /24:499391 /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 6970 7800 TTNET, TR 12479 5686 6728 UNI2-AS, ES 11492 3806 4795 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3115 4027 VIASAT-SP-BACKBONE, US 8151 3057 8536 Uninet S.A. de C.V., MX 22773 2969 3967 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2801 3337 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2248 2582 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1145 3:142 4:20 5:3562 6:79 7:5 8:1510 11:164 12:1733 13:365 14:2208 15:89 16:17 17:324 18:93 20:122 21:1 22:188 23:4808 24:2434 25:2 27:2520 29:19 31:2297 32:107 34:1 35:46 36:1440 37:3763 38:2164 39:589 40:164 41:3735 42:958 43:2061 44:263 45:15183 46:3694 47:351 49:1606 50:1805 51:101 52:1239 54:219 55:796 56:9 57:54 58:1630 59:1045 60:931 61:2186 62:2322 63:1965 64:5379 65:2367 66:5054 67:2896 68:1173 69:4076 70:1382 71:679 72:3128 74:2586 75:1490 76:698 77:2039 78:3701 79:2658 80:1852 81:1646 82:1365 83:1145 84:1253 85:3429 86:700 87:1828 88:2694 89:3022 90:493 91:7361 92:1789 93:2558 94:3113 95:4479 96:1289 97:343 98:975 99:968 100:77 101:1266 102:1519 103:26258 104:3815 105:441 106:785 107:2240 108:723 109:3862 110:1888 111:2766 112:1814 113:1289 114:1437 115:1946 116:1827 117:2221 118:2324 119:1844 120:1036 121:958 122:2481 123:2156 124:1534 125:1885 128:1251 129:1288 130:867 131:2038 132:741 133:360 134:1616 135:297 136:778 137:940 138:2407 139:1212 140:757 141:1185 142:1194 143:1320 144:1258 145:327 146:1454 147:1341 148:2204 149:1445 150:815 151:1078 152:1545 153:418 154:2827 155:1332 156:1610 157:1197 158:924 159:2019 160:2314 161:1183 162:3313 163:1005 164:1533 165:1395 166:610 167:1807 168:3650 169:694 170:4336 171:790 172:2482 173:2969 174:990 175:1091 176:3168 177:4390 178:2918 179:1878 180:2318 181:2625 182:3160 183:1598 184:2416 185:18464 186:4070 187:3089 188:3339 189:2871 190:8948 191:1417 192:10697 193:8229 194:6712 195:4805 196:2910 197:2189 198:6003 199:6003 200:7399 201:5231 202:10160 203:10109 204:4620 205:3352 206:3517 207:3380 208:4017 209:4699 210:3984 211:2185 212:3725 213:3466 214:1177 215:58 216:6292 217:2574 218:1054 219:462 220:2039 221:901 222:679 223:1721 End of report