Global R&E Routing Table Report 23:15 GMT Fri 21 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 845897 Prefixes after maximum aggregation (per Origin AS): 321947 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 407850 Total ASes present in the Internet Routing Table: 71174 Prefixes per ASN: 11.88 Origin-only ASes present in the Internet Routing Table: 61126 Origin ASes announcing only one prefix: 25250 Transit ASes present in the Internet Routing Table: 10048 Transit-only ASes present in the Internet Routing Table: 322 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1182 Number of instances of unregistered ASNs: 1195 Number of 32-bit ASNs allocated by the RIRs: 36085 Number of 32-bit ASNs visible in the Routing Table: 29982 Prefixes from 32-bit ASNs in the Routing Table: 135383 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 653 Number of addresses announced to Internet: 3040158208 Equivalent to 181 /8s, 53 /16s and 34 /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: 290038 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215520 Total APNIC prefixes after maximum aggregation: 62553 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 211628 Unique aggregates announced from the APNIC address blocks: 89841 APNIC Region origin ASes present in the Internet Routing Table: 11494 APNIC Prefixes per ASN: 18.41 APNIC Region origin ASes announcing only one prefix: 3279 APNIC Region transit ASes present in the Internet Routing Table: 1614 Average APNIC Region AS path length visible: 3.3 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6712 Number of APNIC addresses announced to Internet: 774452480 Equivalent to 46 /8s, 41 /16s and 53 /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: 246784 Total ARIN prefixes after maximum aggregation: 112880 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 247162 Unique aggregates announced from the ARIN address blocks: 118038 ARIN Region origin ASes present in the Internet Routing Table: 18770 ARIN Prefixes per ASN: 13.17 ARIN Region origin ASes announcing only one prefix: 6803 ARIN Region transit ASes present in the Internet Routing Table: 1941 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3876 Number of ARIN addresses announced to Internet: 1271307008 Equivalent to 75 /8s, 198 /16s and 155 /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: 245712 Total RIPE prefixes after maximum aggregation: 114265 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 241674 Unique aggregates announced from the RIPE address blocks: 141919 RIPE Region origin ASes present in the Internet Routing Table: 27933 RIPE Prefixes per ASN: 8.65 RIPE Region origin ASes announcing only one prefix: 11982 RIPE Region transit ASes present in the Internet Routing Table: 3992 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 58 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10191 Number of RIPE addresses announced to Internet: 710329088 Equivalent to 42 /8s, 86 /16s and 195 /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: 110777 Total LACNIC prefixes after maximum aggregation: 26504 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 111902 Unique aggregates announced from the LACNIC address blocks: 47058 LACNIC Region origin ASes present in the Internet Routing Table: 10754 LACNIC Prefixes per ASN: 10.41 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2025 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: 8393 Number of LACNIC addresses announced to Internet: 176215296 Equivalent to 10 /8s, 128 /16s and 213 /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: 25910 Total AfriNIC prefixes after maximum aggregation: 4958 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 32878 Unique aggregates announced from the AfriNIC address blocks: 10489 AfriNIC Region origin ASes present in the Internet Routing Table: 1465 AfriNIC Prefixes per ASN: 22.44 AfriNIC Region origin ASes announcing only one prefix: 496 AfriNIC Region transit ASes present in the Internet Routing Table: 301 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 810 Number of AfriNIC addresses announced to Internet: 107391488 Equivalent to 6 /8s, 102 /16s and 170 /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 5789 783 668 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5267 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3521 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3505 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2888 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2341 482 241 BBIL-AP BHARTI Airtel Ltd., IN 4766 2204 11359 558 KIXS-AS-KR Korea Telecom, KR 4755 2127 441 192 TATACOMM-AS TATA Communications formerl 45090 2116 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1942 314 16 TOT-NET TOT Public Company Limited, TH 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 5219 9380 2272 AMAZON-02, US 11492 4806 318 586 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3938 3002 247 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3447 1769 2425 AKAMAI-AS, US 6327 3360 1317 68 SHAW, CA 30036 2570 373 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2526 5037 481 CENTURYLINK-US-LEGACY-QWEST, US 5972 2234 451 786 DNIC-ASBLK-05800-06055, US 20115 2170 2928 508 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 7742 1038 3505 TTNET, TR 12479 6642 1725 146 UNI2-AS, ES 20940 3603 3359 188 AKAMAI-ASN1, NL 8551 3438 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2889 2281 891 ROSTELECOM-AS, RU 9009 2428 253 1304 M247, GB 34984 2203 355 591 TELLCOM-AS, TR 13188 1609 100 31 TRIOLAN, UA 58224 1599 886 582 TCI, IR 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 8600 3483 571 Uninet S.A. de C.V., MX 10620 3422 526 613 Telmex Colombia S.A., CO 11830 2494 369 62 Instituto Costarricense de Electricidad 13999 1727 434 444 Mega Cable, S.A. de C.V., MX 6503 1451 311 477 Axtel, S.A.B. de C.V., MX 28573 1371 2282 226 CLARO S.A., BR 3816 1233 648 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1120 377 38 Telefonica del Peru S.A.A., PE 11664 1004 208 417 Techtel LMDS Comunicaciones Interactiva 11172 963 111 69 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 1592 393 22 LINKdotNET-AS, EG 24835 1452 494 28 RAYA-AS, EG 36992 1196 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 731 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 526 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 483 48 24 WANANCHI-, KE 23889 439 232 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 8600 3483 571 Uninet S.A. de C.V., MX 47331 7742 1038 3505 TTNET, TR 12479 6642 1725 146 UNI2-AS, ES 7545 5789 783 668 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5267 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5219 9380 2272 AMAZON-02, US 11492 4806 318 586 CABLEONE, US 7155 4027 264 32 VIASAT-SP-BACKBONE, US 22773 3938 3002 247 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3603 3359 188 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 6642 6496 UNI2-AS, ES 9808 5267 5215 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5789 5121 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7742 4237 TTNET, TR 11492 4806 4220 CABLEONE, US 7155 4027 3995 VIASAT-SP-BACKBONE, US 22773 3938 3691 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3505 3485 VIETEL-AS-AP Viettel Group, VN 7713 3521 3465 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 20940 3603 3415 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 46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 5.181.53.0/24 Origin: 48402 VIOUSLY, FR Transit: 8218 NEO-ASN legacy Neotelecoms, FR 23.141.0.0/24 Origin: 395350 UNASSIGNED Transit: 11426 TWC-11426-CAROLINAS, US 23.142.80.0/24 Origin: 398481 REDMERCURY, US Transit: 209319 IPV6ROUTING, 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 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 /12:307 /13:585 /14:1185 /15:2030 /16:13458 /17:8224 /18:13698 /19:25238 /20:40456 /21:49542 /22:105037 /23:90112 /24:495844 /25:0 /26:1 /27:0 /28:0 /29:1 /30:3 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6929 7742 TTNET, TR 12479 5599 6642 UNI2-AS, ES 11492 3835 4806 CABLEONE, US 6327 3167 3360 SHAW, CA 8151 3151 8600 Uninet S.A. de C.V., MX 7155 3115 4027 VIASAT-SP-BACKBONE, US 22773 2967 3938 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2902 3438 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2237 2570 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1195 3:128 4:20 5:3559 6:66 7:5 8:1498 11:164 12:1739 13:364 14:2205 15:75 16:15 17:322 18:107 20:122 21:1 22:188 23:4741 24:2429 25:2 27:2525 29:19 31:2318 32:107 34:16 35:46 36:1396 37:3773 38:2143 39:589 40:158 41:3764 42:940 43:2089 44:253 45:14930 46:3689 47:319 49:1607 50:1784 51:100 52:1278 54:241 55:756 56:7 57:55 58:1596 59:1045 60:921 61:2186 62:2262 63:1966 64:5326 65:2379 66:5015 67:2903 68:1166 69:4060 70:1384 71:680 72:3146 74:2594 75:1488 76:692 77:2002 78:3692 79:2600 80:1874 81:1633 82:1373 83:1128 84:1266 85:3400 86:705 87:1830 88:2699 89:3008 90:470 91:7322 92:1771 93:2533 94:3121 95:4471 96:1275 97:345 98:996 99:970 100:78 101:1287 102:1460 103:26040 104:3748 105:434 106:715 107:2272 108:713 109:4016 110:1892 111:2724 112:1876 113:1275 114:1450 115:1948 116:1802 117:2230 118:2269 119:1839 120:1079 121:957 122:2243 123:2193 124:1535 125:1862 128:1207 129:1255 130:846 131:2029 132:741 133:356 134:1614 135:293 136:741 137:931 138:2314 139:1171 140:730 141:1186 142:1185 143:1278 144:1262 145:329 146:1392 147:1312 148:2200 149:1420 150:811 151:1074 152:1543 153:410 154:2459 155:1329 156:1505 157:1179 158:911 159:2046 160:2317 161:1160 162:3269 163:997 164:1530 165:1407 166:595 167:1802 168:3589 169:683 170:4253 171:770 172:2368 173:2949 174:997 175:1076 176:3145 177:4350 178:2904 179:1946 180:2313 181:2618 182:3160 183:1584 184:2420 185:18269 186:4162 187:3115 188:3294 189:2902 190:8919 191:1418 192:10658 193:8111 194:6619 195:4738 196:2892 197:2196 198:6036 199:6003 200:7409 201:5272 202:10169 203:10092 204:4604 205:3321 206:3451 207:3326 208:4009 209:4679 210:3964 211:2078 212:3699 213:3366 214:1212 215:62 216:6181 217:2519 218:1039 219:461 220:2046 221:930 222:692 223:1702 End of report