Global R&E Routing Table Report 23:15 GMT Sat 17 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 843087 Prefixes after maximum aggregation (per Origin AS): 321293 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 405630 Total ASes present in the Internet Routing Table: 70897 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 60879 Origin ASes announcing only one prefix: 25220 Transit ASes present in the Internet Routing Table: 10018 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: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1018 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 35738 Number of 32-bit ASNs visible in the Routing Table: 29649 Prefixes from 32-bit ASNs in the Routing Table: 133603 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: 522 Number of addresses announced to Internet: 2948802048 Equivalent to 175 /8s, 195 /16s and 38 /24s Percentage of available address space announced: 79.6 Percentage of allocated address space announced: 79.6 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: 289288 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214847 Total APNIC prefixes after maximum aggregation: 62853 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211003 Unique aggregates announced from the APNIC address blocks: 89013 APNIC Region origin ASes present in the Internet Routing Table: 11315 APNIC Prefixes per ASN: 18.65 APNIC Region origin ASes announcing only one prefix: 3232 APNIC Region transit ASes present in the Internet Routing Table: 1596 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: 6540 Number of APNIC addresses announced to Internet: 772259072 Equivalent to 46 /8s, 7 /16s and 189 /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: 245005 Total ARIN prefixes after maximum aggregation: 112678 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 245454 Unique aggregates announced from the ARIN address blocks: 117674 ARIN Region origin ASes present in the Internet Routing Table: 18749 ARIN Prefixes per ASN: 13.09 ARIN Region origin ASes announcing only one prefix: 6815 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 3826 Number of ARIN addresses announced to Internet: 1180825856 Equivalent to 70 /8s, 97 /16s and 249 /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: 244364 Total RIPE prefixes after maximum aggregation: 113754 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240299 Unique aggregates announced from the RIPE address blocks: 141401 RIPE Region origin ASes present in the Internet Routing Table: 27891 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11981 RIPE Region transit ASes present in the Internet Routing Table: 3994 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: 10133 Number of RIPE addresses announced to Internet: 711311616 Equivalent to 42 /8s, 101 /16s and 193 /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: 112191 Total LACNIC prefixes after maximum aggregation: 26327 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 113326 Unique aggregates announced from the LACNIC address blocks: 47081 LACNIC Region origin ASes present in the Internet Routing Table: 10738 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2699 LACNIC Region transit ASes present in the Internet Routing Table: 2028 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8360 Number of LACNIC addresses announced to Internet: 176255488 Equivalent to 10 /8s, 129 /16s and 114 /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: 25650 Total AfriNIC prefixes after maximum aggregation: 4920 AfriNIC Deaggregation factor: 5.21 Prefixes being announced from the AfriNIC address blocks: 32483 Unique aggregates announced from the AfriNIC address blocks: 9986 AfriNIC Region origin ASes present in the Internet Routing Table: 1443 AfriNIC Prefixes per ASN: 22.51 AfriNIC Region origin ASes announcing only one prefix: 493 AfriNIC Region transit ASes present in the Internet Routing Table: 285 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: 790 Number of AfriNIC addresses announced to Internet: 107723520 Equivalent to 6 /8s, 107 /16s and 187 /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 5731 783 673 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5144 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3523 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3476 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2981 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2333 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2200 11358 560 KIXS-AS-KR Korea Telecom, KR 4755 2114 441 191 TATACOMM-AS TATA Communications formerl 45090 2099 1197 72 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1943 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 4992 9334 2228 AMAZON-02, US 11492 4747 315 716 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3920 3005 248 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3377 1751 2411 AKAMAI-AS, US 6327 3359 1317 70 SHAW, CA 30036 2556 373 123 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2530 5039 487 CENTURYLINK-US-LEGACY-QWEST, US 5650 2341 2996 1636 FRONTIER-FRTR, US 5972 2224 450 782 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 7790 1044 3499 TTNET, TR 12479 6439 1724 143 UNI2-AS, ES 20940 3576 3360 193 AKAMAI-ASN1, NL 8551 3520 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2877 2284 898 ROSTELECOM-AS, RU 9009 2396 246 1282 M247, GB 34984 2215 357 587 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1580 883 575 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 8497 3473 571 Uninet S.A. de C.V., MX 10620 3409 526 613 Telmex Colombia S.A., CO 11830 2493 369 62 Instituto Costarricense de Electricidad 7303 1899 2063 74 Telecom Argentina S.A., AR 13999 1664 447 430 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1360 2274 223 CLARO S.A., BR 3816 1224 640 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1128 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 1585 393 22 LINKdotNET-AS, EG 24835 1443 486 27 RAYA-AS, EG 36992 1200 1537 176 ETISALAT-MISR, EG 36903 1186 528 113 MT-MPLS, MA 29571 726 68 11 ORANGE-COTE-IVOIRE, CI 6713 548 1863 34 IAM-AS, MA 36935 514 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 478 47 18 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 8497 3473 571 Uninet S.A. de C.V., MX 47331 7790 1044 3499 TTNET, TR 12479 6439 1724 143 UNI2-AS, ES 7545 5731 783 673 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5144 8995 52 CMNET-GD Guangdong Mobile Communication 16509 4992 9334 2228 AMAZON-02, US 11492 4747 315 716 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3920 3005 248 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3576 3360 193 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 6439 6296 UNI2-AS, ES 9808 5144 5092 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5731 5058 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7790 4291 TTNET, TR 11492 4747 4031 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3920 3672 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3520 3479 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3523 3468 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 7552 3476 3456 VIETEL-AS-AP Viettel Group, VN 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: 397881 STINGERS, US Transit: 398481 REDMERCURY, US 23.177.176.0/24 Origin: 7018 ATT-INTERNET4, US Transit: 6461 ZAYO-6461, 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 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 /8:12 /9:12 /10:39 /11:100 /12:297 /13:582 /14:1186 /15:1983 /16:13517 /17:8252 /18:13640 /19:25208 /20:40703 /21:50146 /22:104613 /23:89777 /24:493008 /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 6970 7790 TTNET, TR 12479 5391 6439 UNI2-AS, ES 11492 3801 4747 CABLEONE, US 6327 3166 3359 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8151 3067 8497 Uninet S.A. de C.V., MX 8551 2983 3520 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2953 3920 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2233 2556 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1882 2:1106 3:110 4:19 5:3555 6:64 7:5 8:1484 11:36 12:1749 13:358 14:2199 15:75 16:15 17:320 18:93 20:122 22:188 23:4645 24:2397 25:2 27:2518 29:19 31:2328 32:107 34:2 35:40 36:1245 37:3764 38:2073 39:577 40:160 41:3744 42:923 43:2101 44:238 45:14898 46:3652 47:319 49:1604 50:1764 51:92 52:1224 54:217 55:760 56:8 57:58 58:1607 59:1053 60:887 61:2268 62:2220 63:1958 64:5296 65:2370 66:5144 67:2869 68:1152 69:4049 70:1398 71:688 72:3162 74:2580 75:1485 76:686 77:2031 78:3696 79:2652 80:1865 81:1660 82:1334 83:1117 84:1255 85:3363 86:703 87:1784 88:2703 89:3013 90:433 91:7320 92:1743 93:2542 94:3098 95:4427 96:1263 97:345 98:987 99:971 100:75 101:1199 102:1376 103:25742 104:3718 105:435 106:724 107:2246 108:706 109:4027 110:1886 111:2710 112:1856 113:1297 114:1449 115:1922 116:1802 117:2196 118:2269 119:1835 120:1066 121:998 122:2212 123:2196 124:1515 125:1904 128:1312 129:911 130:824 131:2037 132:745 133:355 134:1606 135:294 136:739 137:926 138:2314 139:1182 140:726 141:1190 142:1144 143:1250 144:1257 145:330 146:1383 147:1294 148:2216 149:1408 150:802 151:1080 152:1538 153:394 154:2333 155:1320 156:1484 157:1165 158:918 159:2046 160:2120 161:1124 162:3267 163:977 164:1510 165:1359 166:585 167:1813 168:3551 169:667 170:4221 171:765 172:2132 173:2934 174:987 175:1079 176:3102 177:4350 178:2893 179:1937 180:2356 181:2592 182:3172 183:1636 184:2426 185:18181 186:4216 187:3167 188:3299 189:2847 190:8947 191:1433 192:10651 193:8000 194:6594 195:4719 196:2894 197:2179 198:6004 199:5999 200:7377 201:5356 202:10216 203:10059 204:4612 205:3325 206:3469 207:3316 208:4006 209:4641 210:3956 211:2069 212:3683 213:3348 214:1223 215:61 216:6167 217:2524 218:1034 219:476 220:2049 221:959 222:781 223:1696 End of report