Global R&E Routing Table Report 23:15 GMT Sat 24 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 844457 Prefixes after maximum aggregation (per Origin AS): 321421 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 405783 Total ASes present in the Internet Routing Table: 70941 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60914 Origin ASes announcing only one prefix: 25198 Transit ASes present in the Internet Routing Table: 10027 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: 1029 Number of instances of unregistered ASNs: 1044 Number of 32-bit ASNs allocated by the RIRs: 35819 Number of 32-bit ASNs visible in the Routing Table: 29711 Prefixes from 32-bit ASNs in the Routing Table: 133970 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: 499 Number of addresses announced to Internet: 3031538688 Equivalent to 180 /8s, 177 /16s and 156 /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: 289773 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214970 Total APNIC prefixes after maximum aggregation: 62917 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211117 Unique aggregates announced from the APNIC address blocks: 89074 APNIC Region origin ASes present in the Internet Routing Table: 11353 APNIC Prefixes per ASN: 18.60 APNIC Region origin ASes announcing only one prefix: 3241 APNIC Region transit ASes present in the Internet Routing Table: 1600 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: 6571 Number of APNIC addresses announced to Internet: 772279552 Equivalent to 46 /8s, 8 /16s and 13 /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: 245585 Total ARIN prefixes after maximum aggregation: 112705 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 245993 Unique aggregates announced from the ARIN address blocks: 117761 ARIN Region origin ASes present in the Internet Routing Table: 18734 ARIN Prefixes per ASN: 13.13 ARIN Region origin ASes announcing only one prefix: 6799 ARIN Region transit ASes present in the Internet Routing Table: 1943 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: 3828 Number of ARIN addresses announced to Internet: 1263929344 Equivalent to 75 /8s, 86 /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: 244830 Total RIPE prefixes after maximum aggregation: 113735 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240813 Unique aggregates announced from the RIPE address blocks: 141459 RIPE Region origin ASes present in the Internet Routing Table: 27896 RIPE Prefixes per ASN: 8.63 RIPE Region origin ASes announcing only one prefix: 11977 RIPE Region transit ASes present in the Internet Routing Table: 3979 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: 10143 Number of RIPE addresses announced to Internet: 711093504 Equivalent to 42 /8s, 98 /16s and 109 /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: 112203 Total LACNIC prefixes after maximum aggregation: 26355 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 113356 Unique aggregates announced from the LACNIC address blocks: 46993 LACNIC Region origin ASes present in the Internet Routing Table: 10745 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2035 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: 8370 Number of LACNIC addresses announced to Internet: 176099584 Equivalent to 10 /8s, 127 /16s and 17 /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: 25828 Total AfriNIC prefixes after maximum aggregation: 4948 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 32679 Unique aggregates announced from the AfriNIC address blocks: 10044 AfriNIC Region origin ASes present in the Internet Routing Table: 1453 AfriNIC Prefixes per ASN: 22.49 AfriNIC Region origin ASes announcing only one prefix: 495 AfriNIC Region transit ASes present in the Internet Routing Table: 290 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: 799 Number of AfriNIC addresses announced to Internet: 107716352 Equivalent to 6 /8s, 107 /16s and 159 /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 783 668 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5175 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3522 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3482 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2983 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2336 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2205 11358 561 KIXS-AS-KR Korea Telecom, KR 4755 2119 441 191 TATACOMM-AS TATA Communications formerl 45090 2098 1197 72 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1947 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 5037 9349 2234 AMAZON-02, US 11492 4752 315 712 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3937 3005 250 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3439 1773 2433 AKAMAI-AS, US 6327 3361 1317 70 SHAW, CA 30036 2559 373 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2536 5039 486 CENTURYLINK-US-LEGACY-QWEST, US 5650 2345 2997 1640 FRONTIER-FRTR, US 5972 2231 451 784 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 7794 1045 3500 TTNET, TR 12479 6490 1725 144 UNI2-AS, ES 8551 3637 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3578 3359 190 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2880 2284 897 ROSTELECOM-AS, RU 9009 2415 247 1291 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1581 883 574 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 8518 3474 575 Uninet S.A. de C.V., MX 10620 3412 526 615 Telmex Colombia S.A., CO 11830 2454 369 62 Instituto Costarricense de Electricidad 7303 1901 2063 73 Telecom Argentina S.A., AR 13999 1673 447 424 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1376 2277 224 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 1587 393 22 LINKdotNET-AS, EG 24835 1443 486 27 RAYA-AS, EG 36992 1203 1537 177 ETISALAT-MISR, EG 36903 1181 536 114 MT-MPLS, MA 29571 730 68 11 ORANGE-COTE-IVOIRE, CI 6713 549 1863 34 IAM-AS, MA 36935 517 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 482 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 8518 3474 575 Uninet S.A. de C.V., MX 47331 7794 1045 3500 TTNET, TR 12479 6490 1725 144 UNI2-AS, ES 7545 5731 783 668 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5175 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5037 9349 2234 AMAZON-02, US 11492 4752 315 712 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3937 3005 250 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3637 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 6490 6346 UNI2-AS, ES 9808 5175 5123 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5731 5063 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7794 4294 TTNET, TR 11492 4752 4040 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3937 3687 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3637 3596 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3522 3466 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 7552 3482 3462 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: 398481 REDMERCURY, US Transit: 209319 IPV6ROUTING, US 23.178.80.0/24 Origin: 211544 UNLABELED, US Transit: 20473 AS-CHOOPA, 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 /8:16 /9:13 /10:40 /11:101 /12:298 /13:584 /14:1188 /15:1981 /16:13505 /17:8228 /18:13657 /19:25269 /20:40744 /21:50207 /22:104808 /23:89917 /24:493889 /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 7794 TTNET, TR 12479 5443 6490 UNI2-AS, ES 11492 3803 4752 CABLEONE, US 6327 3168 3361 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8551 3100 3637 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 8151 3084 8518 Uninet S.A. de C.V., MX 22773 2966 3937 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2234 2559 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1884 2:1106 3:111 4:19 5:3533 6:65 7:5 8:1480 11:36 12:1749 13:361 14:2199 15:76 16:15 17:320 18:93 20:122 22:188 23:4652 24:2398 25:2 27:2524 29:19 31:2331 32:107 34:2 35:40 36:1243 37:3766 38:2068 39:577 40:159 41:3767 42:924 43:2094 44:239 45:14993 46:3697 47:319 49:1609 50:1770 51:92 52:1238 54:225 55:754 56:8 57:59 58:1598 59:1060 60:887 61:2236 62:2232 63:1961 64:5311 65:2373 66:5147 67:2880 68:1155 69:4056 70:1400 71:689 72:3165 74:2582 75:1486 76:685 77:2033 78:3695 79:2777 80:1868 81:1662 82:1350 83:1117 84:1262 85:3384 86:706 87:1795 88:2696 89:3016 90:443 91:7316 92:1750 93:2541 94:3107 95:4439 96:1262 97:345 98:989 99:969 100:76 101:1208 102:1413 103:25774 104:3742 105:435 106:719 107:2259 108:706 109:4025 110:1892 111:2704 112:1860 113:1294 114:1453 115:1928 116:1807 117:2197 118:2253 119:1836 120:1065 121:997 122:2212 123:2193 124:1511 125:1897 128:1310 129:1092 130:834 131:2027 132:739 133:356 134:1589 135:289 136:734 137:923 138:2304 139:1173 140:723 141:1189 142:1149 143:1261 144:1260 145:331 146:1396 147:1301 148:2217 149:1401 150:801 151:1081 152:1544 153:394 154:2389 155:1324 156:1484 157:1171 158:916 159:2046 160:2134 161:1139 162:3256 163:981 164:1526 165:1387 166:584 167:1806 168:3561 169:676 170:4256 171:771 172:2144 173:2941 174:989 175:1072 176:3110 177:4336 178:2890 179:1973 180:2364 181:2593 182:3164 183:1642 184:2428 185:18204 186:4211 187:3180 188:3295 189:2850 190:8897 191:1376 192:10650 193:8021 194:6598 195:4724 196:2889 197:2185 198:6013 199:6010 200:7396 201:5324 202:10188 203:10079 204:4617 205:3324 206:3483 207:3318 208:4013 209:4650 210:3941 211:2058 212:3666 213:3345 214:1225 215:61 216:6180 217:2541 218:1039 219:476 220:2057 221:943 222:771 223:1701 End of report