Global R&E Routing Table Report 23:15 GMT Tue 27 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 844777 Prefixes after maximum aggregation (per Origin AS): 321474 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 406460 Total ASes present in the Internet Routing Table: 71043 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 60984 Origin ASes announcing only one prefix: 25217 Transit ASes present in the Internet Routing Table: 10059 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: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1037 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 35841 Number of 32-bit ASNs visible in the Routing Table: 29804 Prefixes from 32-bit ASNs in the Routing Table: 134439 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 533 Number of addresses announced to Internet: 3031906048 Equivalent to 180 /8s, 183 /16s and 55 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 289674 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215261 Total APNIC prefixes after maximum aggregation: 62904 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211444 Unique aggregates announced from the APNIC address blocks: 89340 APNIC Region origin ASes present in the Internet Routing Table: 11430 APNIC Prefixes per ASN: 18.50 APNIC Region origin ASes announcing only one prefix: 3261 APNIC Region transit ASes present in the Internet Routing Table: 1615 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6644 Number of APNIC addresses announced to Internet: 772944128 Equivalent to 46 /8s, 18 /16s and 49 /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, 131072-143673 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: 245754 Total ARIN prefixes after maximum aggregation: 112717 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246174 Unique aggregates announced from the ARIN address blocks: 117759 ARIN Region origin ASes present in the Internet Routing Table: 18749 ARIN Prefixes per ASN: 13.13 ARIN Region origin ASes announcing only one prefix: 6806 ARIN Region transit ASes present in the Internet Routing Table: 1940 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 30 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3836 Number of ARIN addresses announced to Internet: 1263827968 Equivalent to 75 /8s, 84 /16s and 124 /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: 244659 Total RIPE prefixes after maximum aggregation: 113770 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240625 Unique aggregates announced from the RIPE address blocks: 141467 RIPE Region origin ASes present in the Internet Routing Table: 27899 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11967 RIPE Region transit ASes present in the Internet Routing Table: 3991 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: 10154 Number of RIPE addresses announced to Internet: 711045632 Equivalent to 42 /8s, 97 /16s and 178 /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: 112240 Total LACNIC prefixes after maximum aggregation: 26379 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 113370 Unique aggregates announced from the LACNIC address blocks: 46912 LACNIC Region origin ASes present in the Internet Routing Table: 10753 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2038 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: 8374 Number of LACNIC addresses announced to Internet: 176358912 Equivalent to 10 /8s, 131 /16s and 6 /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: 25814 Total AfriNIC prefixes after maximum aggregation: 4939 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 32631 Unique aggregates announced from the AfriNIC address blocks: 10493 AfriNIC Region origin ASes present in the Internet Routing Table: 1450 AfriNIC Prefixes per ASN: 22.50 AfriNIC Region origin ASes announcing only one prefix: 490 AfriNIC Region transit ASes present in the Internet Routing Table: 293 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 796 Number of AfriNIC addresses announced to Internet: 107301376 Equivalent to 6 /8s, 101 /16s and 74 /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 5739 783 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5179 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3520 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3492 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2884 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2337 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2209 11358 561 KIXS-AS-KR Korea Telecom, KR 4755 2119 441 190 TATACOMM-AS TATA Communications formerl 45090 2098 1197 72 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1945 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 5029 9347 2224 AMAZON-02, US 11492 4747 315 698 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3935 3005 246 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3470 1788 2444 AKAMAI-AS, US 6327 3361 1317 70 SHAW, CA 30036 2560 373 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2535 5039 485 CENTURYLINK-US-LEGACY-QWEST, US 5650 2321 2992 1623 FRONTIER-FRTR, US 5972 2233 452 781 DNIC-ASBLK-05800-06055, 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 7797 1046 3502 TTNET, TR 12479 6532 1725 145 UNI2-AS, ES 20940 3580 3359 190 AKAMAI-ASN1, NL 8551 3541 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2879 2284 897 ROSTELECOM-AS, RU 9009 2411 247 1291 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1585 885 581 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 8527 3475 575 Uninet S.A. de C.V., MX 10620 3412 526 615 Telmex Colombia S.A., CO 11830 2494 369 62 Instituto Costarricense de Electricidad 7303 1896 2063 73 Telecom Argentina S.A., AR 13999 1674 447 424 Mega Cable, S.A. de C.V., MX 6503 1445 311 477 Axtel, S.A.B. de C.V., MX 28573 1357 2277 229 CLARO S.A., BR 3816 1229 644 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 377 39 Telefonica del Peru S.A.A., PE 11664 1003 212 401 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 1588 393 22 LINKdotNET-AS, EG 24835 1445 494 28 RAYA-AS, EG 36992 1202 1537 176 ETISALAT-MISR, EG 36903 1181 536 114 MT-MPLS, MA 29571 730 68 11 ORANGE-COTE-IVOIRE, CI 6713 550 1863 34 IAM-AS, MA 36935 519 522 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 8527 3475 575 Uninet S.A. de C.V., MX 47331 7797 1046 3502 TTNET, TR 12479 6532 1725 145 UNI2-AS, ES 7545 5739 783 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5179 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5029 9347 2224 AMAZON-02, US 11492 4747 315 698 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3935 3005 246 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3580 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 6532 6387 UNI2-AS, ES 9808 5179 5127 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5739 5069 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7797 4295 TTNET, TR 11492 4747 4049 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3935 3689 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3541 3501 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3492 3472 VIETEL-AS-AP Viettel Group, VN 7713 3520 3464 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 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46766 UNALLOCATED 8.44.208.0/24 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 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 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 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 /8:16 /9:13 /10:40 /11:101 /12:298 /13:584 /14:1189 /15:1982 /16:13490 /17:8222 /18:13655 /19:25272 /20:40643 /21:50182 /22:104892 /23:90048 /24:494138 /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 6974 7797 TTNET, TR 12479 5485 6532 UNI2-AS, ES 11492 3796 4747 CABLEONE, US 6327 3168 3361 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8151 3093 8527 Uninet S.A. de C.V., MX 8551 3005 3541 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2967 3935 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2234 2560 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1885 2:1102 3:111 4:19 5:3534 6:65 7:5 8:1484 11:164 12:1752 13:359 14:2201 15:75 16:15 17:321 18:93 20:122 21:1 22:188 23:4667 24:2399 25:2 27:2525 29:19 31:2334 32:107 34:2 35:40 36:1244 37:3772 38:2069 39:579 40:159 41:3768 42:925 43:2111 44:238 45:14928 46:3668 47:320 49:1591 50:1773 51:92 52:1237 54:225 55:774 56:8 57:59 58:1591 59:1069 60:889 61:2245 62:2233 63:1957 64:5324 65:2383 66:5131 67:2879 68:1155 69:4078 70:1400 71:689 72:3163 74:2585 75:1487 76:685 77:2023 78:3693 79:2702 80:1870 81:1654 82:1362 83:1120 84:1264 85:3380 86:704 87:1799 88:2698 89:3011 90:444 91:7309 92:1748 93:2519 94:3111 95:4446 96:1259 97:344 98:990 99:969 100:76 101:1203 102:1419 103:25984 104:3733 105:435 106:721 107:2260 108:711 109:4006 110:1899 111:2720 112:1858 113:1293 114:1444 115:1931 116:1808 117:2217 118:2259 119:1838 120:1072 121:987 122:2231 123:2194 124:1512 125:1900 128:1314 129:1084 130:837 131:2021 132:739 133:356 134:1589 135:289 136:748 137:925 138:2296 139:1175 140:714 141:1187 142:1153 143:1274 144:1258 145:330 146:1399 147:1298 148:2218 149:1400 150:807 151:1075 152:1553 153:394 154:2393 155:1325 156:1483 157:1175 158:917 159:2042 160:2129 161:1145 162:3259 163:989 164:1526 165:1397 166:585 167:1800 168:3555 169:679 170:4252 171:771 172:2149 173:2936 174:990 175:1059 176:3114 177:4296 178:2891 179:1946 180:2314 181:2593 182:3165 183:1641 184:2427 185:18227 186:4231 187:3176 188:3299 189:2851 190:8910 191:1382 192:10653 193:8032 194:6603 195:4725 196:2881 197:2185 198:6005 199:6008 200:7399 201:5326 202:10197 203:10100 204:4611 205:3323 206:3493 207:3317 208:4012 209:4650 210:3972 211:2072 212:3672 213:3345 214:1227 215:61 216:6170 217:2545 218:1040 219:476 220:2055 221:935 222:689 223:1703 End of report