Global R&E Routing Table Report 23:05 GMT Thu 01 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 850185 Prefixes after maximum aggregation (per Origin AS): 323744 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 410702 Total ASes present in the Internet Routing Table: 71377 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61294 Origin ASes announcing only one prefix: 25335 Transit ASes present in the Internet Routing Table: 10083 Transit-only ASes present in the Internet Routing Table: 332 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: 1121 Number of instances of unregistered ASNs: 1130 Number of 32-bit ASNs allocated by the RIRs: 36499 Number of 32-bit ASNs visible in the Routing Table: 30280 Prefixes from 32-bit ASNs in the Routing Table: 137451 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: 534 Number of addresses announced to Internet: 3040209152 Equivalent to 181 /8s, 53 /16s and 233 /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: 291172 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216727 Total APNIC prefixes after maximum aggregation: 62892 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 212545 Unique aggregates announced from the APNIC address blocks: 90148 APNIC Region origin ASes present in the Internet Routing Table: 11594 APNIC Prefixes per ASN: 18.33 APNIC Region origin ASes announcing only one prefix: 3295 APNIC Region transit ASes present in the Internet Routing Table: 1648 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: 6821 Number of APNIC addresses announced to Internet: 774170112 Equivalent to 46 /8s, 36 /16s and 230 /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: 248988 Total ARIN prefixes after maximum aggregation: 113759 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 248789 Unique aggregates announced from the ARIN address blocks: 118776 ARIN Region origin ASes present in the Internet Routing Table: 18799 ARIN Prefixes per ASN: 13.23 ARIN Region origin ASes announcing only one prefix: 6838 ARIN Region transit ASes present in the Internet Routing Table: 1939 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: 3949 Number of ARIN addresses announced to Internet: 1271269376 Equivalent to 75 /8s, 198 /16s and 8 /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: 246792 Total RIPE prefixes after maximum aggregation: 114715 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243119 Unique aggregates announced from the RIPE address blocks: 143272 RIPE Region origin ASes present in the Internet Routing Table: 27981 RIPE Prefixes per ASN: 8.69 RIPE Region origin ASes announcing only one prefix: 12012 RIPE Region transit ASes present in the Internet Routing Table: 3976 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: 10264 Number of RIPE addresses announced to Internet: 710758144 Equivalent to 42 /8s, 93 /16s and 79 /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: 110587 Total LACNIC prefixes after maximum aggregation: 26553 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 111761 Unique aggregates announced from the LACNIC address blocks: 47180 LACNIC Region origin ASes present in the Internet Routing Table: 10770 LACNIC Prefixes per ASN: 10.38 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2053 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: 8419 Number of LACNIC addresses announced to Internet: 176050176 Equivalent to 10 /8s, 126 /16s and 80 /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: 25958 Total AfriNIC prefixes after maximum aggregation: 5078 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 33437 Unique aggregates announced from the AfriNIC address blocks: 10853 AfriNIC Region origin ASes present in the Internet Routing Table: 1483 AfriNIC Prefixes per ASN: 22.55 AfriNIC Region origin ASes announcing only one prefix: 511 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: 827 Number of AfriNIC addresses announced to Internet: 107529216 Equivalent to 6 /8s, 104 /16s and 196 /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 5787 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4931 8999 55 CMNET-GD Guangdong Mobile Communication 7552 3545 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3527 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2882 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 1945 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 5221 9531 2321 AMAZON-02, US 11492 4791 316 669 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3965 3013 262 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3505 1811 2442 AKAMAI-AS, US 6327 3360 1317 69 SHAW, CA 30036 2580 373 135 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2538 5037 477 CENTURYLINK-US-LEGACY-QWEST, US 5972 2237 452 792 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 7815 1051 3503 TTNET, TR 12479 6725 1721 140 UNI2-AS, ES 20940 3665 3359 190 AKAMAI-ASN1, NL 8551 3337 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2879 2281 893 ROSTELECOM-AS, RU 9009 2465 260 1318 M247, GB 34984 2218 357 595 TELLCOM-AS, TR 61317 1617 255 816 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 8534 3443 592 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 1453 359 479 Axtel, S.A.B. de C.V., MX 28573 1420 2284 234 CLARO S.A., BR 3816 1239 650 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1113 374 31 Telefonica del Peru S.A.A., PE 26615 1065 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 1651 393 22 LINKdotNET-AS, EG 24835 1457 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 494 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 8534 3443 592 Uninet S.A. de C.V., MX 47331 7815 1051 3503 TTNET, TR 12479 6725 1721 140 UNI2-AS, ES 7545 5787 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5221 9531 2321 AMAZON-02, US 9808 4931 8999 55 CMNET-GD Guangdong Mobile Communication 11492 4791 316 669 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3965 3013 262 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3665 3359 190 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 6725 6585 UNI2-AS, ES 7545 5787 5110 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4931 4876 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7815 4312 TTNET, TR 11492 4791 4122 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3965 3703 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3545 3525 VIETEL-AS-AP Viettel Group, VN 20940 3665 3475 AKAMAI-ASN1, NL 7713 3527 3471 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 23.142.80.0/24 Origin: 209319 IPV6ROUTING, US Transit: 46573 LAYER-HOST, 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 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 /16:13439 /17:8220 /18:13734 /19:24874 /20:40575 /21:49660 /22:105471 /23:90747 /24:499172 /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 6984 7815 TTNET, TR 12479 5683 6725 UNI2-AS, ES 11492 3806 4791 CABLEONE, US 6327 3167 3360 SHAW, CA 7155 3115 4027 VIASAT-SP-BACKBONE, US 8151 3056 8534 Uninet S.A. de C.V., MX 22773 2968 3965 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2801 3337 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2246 2580 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 2:1148 3:142 4:19 5:3558 6:79 7:5 8:1511 11:164 12:1740 13:365 14:2204 15:87 16:17 17:324 18:93 20:122 21:1 22:188 23:4807 24:2435 25:2 27:2513 29:19 31:2296 32:107 34:1 35:46 36:1439 37:3771 38:2166 39:588 40:164 41:3723 42:977 43:2064 44:262 45:15167 46:3705 47:351 49:1607 50:1803 51:101 52:1234 54:219 55:787 56:9 57:54 58:1627 59:1045 60:929 61:2212 62:2323 63:1962 64:5369 65:2374 66:5054 67:2897 68:1172 69:4068 70:1382 71:680 72:3139 74:2590 75:1490 76:697 77:2037 78:3701 79:2658 80:1859 81:1650 82:1364 83:1144 84:1251 85:3433 86:699 87:1827 88:2697 89:3022 90:494 91:7361 92:1784 93:2558 94:3108 95:4489 96:1290 97:342 98:975 99:970 100:77 101:1267 102:1535 103:26255 104:3815 105:441 106:791 107:2244 108:724 109:3868 110:1890 111:2784 112:1814 113:1290 114:1437 115:1947 116:1818 117:2217 118:2314 119:1842 120:1036 121:958 122:2493 123:2155 124:1533 125:1885 128:1248 129:1281 130:867 131:2034 132:741 133:360 134:1615 135:297 136:778 137:941 138:2386 139:1213 140:756 141:1190 142:1196 143:1320 144:1258 145:325 146:1455 147:1349 148:2206 149:1447 150:816 151:1078 152:1539 153:417 154:2663 155:1330 156:1595 157:1198 158:919 159:2019 160:2315 161:1182 162:3309 163:1008 164:1537 165:1428 166:610 167:1811 168:3647 169:696 170:4358 171:784 172:2485 173:2965 174:989 175:1089 176:3157 177:4394 178:2920 179:1909 180:2317 181:2625 182:3162 183:1598 184:2415 185:18462 186:4066 187:3103 188:3338 189:2859 190:8939 191:1418 192:10703 193:8228 194:6703 195:4805 196:2870 197:2191 198:6003 199:6002 200:7395 201:5230 202:10160 203:10108 204:4621 205:3326 206:3510 207:3377 208:4009 209:4692 210:3983 211:2187 212:3723 213:3457 214:1169 215:58 216:6285 217:2567 218:1054 219:463 220:2033 221:901 222:679 223:1719 End of report