Global R&E Routing Table Report 23:15 GMT Tue 20 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 843620 Prefixes after maximum aggregation (per Origin AS): 321352 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 405622 Total ASes present in the Internet Routing Table: 70921 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60901 Origin ASes announcing only one prefix: 25223 Transit ASes present in the Internet Routing Table: 10020 Transit-only ASes present in the Internet Routing Table: 334 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: 1019 Number of instances of unregistered ASNs: 1034 Number of 32-bit ASNs allocated by the RIRs: 35764 Number of 32-bit ASNs visible in the Routing Table: 29671 Prefixes from 32-bit ASNs in the Routing Table: 133581 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: 511 Number of addresses announced to Internet: 3032489216 Equivalent to 180 /8s, 192 /16s and 29 /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: 289454 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214779 Total APNIC prefixes after maximum aggregation: 62839 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 210970 Unique aggregates announced from the APNIC address blocks: 89008 APNIC Region origin ASes present in the Internet Routing Table: 11326 APNIC Prefixes per ASN: 18.63 APNIC Region origin ASes announcing only one prefix: 3240 APNIC Region transit ASes present in the Internet Routing Table: 1604 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: 6549 Number of APNIC addresses announced to Internet: 772224256 Equivalent to 46 /8s, 7 /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, 131072-143673 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: 245189 Total ARIN prefixes after maximum aggregation: 112739 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 245594 Unique aggregates announced from the ARIN address blocks: 117743 ARIN Region origin ASes present in the Internet Routing Table: 18750 ARIN Prefixes per ASN: 13.10 ARIN Region origin ASes announcing only one prefix: 6811 ARIN Region transit ASes present in the Internet Routing Table: 1938 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: 3834 Number of ARIN addresses announced to Internet: 1264585728 Equivalent to 75 /8s, 96 /16s and 12 /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: 244671 Total RIPE prefixes after maximum aggregation: 113707 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240593 Unique aggregates announced from the RIPE address blocks: 141408 RIPE Region origin ASes present in the Internet Routing Table: 27889 RIPE Prefixes per ASN: 8.63 RIPE Region origin ASes announcing only one prefix: 11978 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 10132 Number of RIPE addresses announced to Internet: 711153664 Equivalent to 42 /8s, 99 /16s and 88 /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: 26379 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 113332 Unique aggregates announced from the LACNIC address blocks: 46979 LACNIC Region origin ASes present in the Internet Routing Table: 10744 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2704 LACNIC Region transit ASes present in the Internet Routing Table: 2027 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: 8361 Number of LACNIC addresses announced to Internet: 176318464 Equivalent to 10 /8s, 130 /16s and 104 /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: 25759 Total AfriNIC prefixes after maximum aggregation: 4926 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 32620 Unique aggregates announced from the AfriNIC address blocks: 10020 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: 287 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: 795 Number of AfriNIC addresses announced to Internet: 107783424 Equivalent to 6 /8s, 108 /16s and 165 /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 5738 783 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5144 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 2333 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2209 11358 561 KIXS-AS-KR Korea Telecom, KR 4755 2117 441 191 TATACOMM-AS TATA Communications formerl 45090 2099 1197 72 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1946 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 5001 9333 2224 AMAZON-02, US 11492 4750 315 710 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3931 3005 251 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3419 1769 2432 AKAMAI-AS, US 6327 3359 1317 70 SHAW, CA 30036 2560 373 124 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2529 5039 486 CENTURYLINK-US-LEGACY-QWEST, US 5650 2341 2996 1636 FRONTIER-FRTR, US 5972 2225 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 7794 1045 3496 TTNET, TR 12479 6455 1724 144 UNI2-AS, ES 8551 3643 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3580 3360 193 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2876 2284 898 ROSTELECOM-AS, RU 9009 2405 246 1285 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1580 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 8503 3473 570 Uninet S.A. de C.V., MX 10620 3410 526 614 Telmex Colombia S.A., CO 11830 2494 369 62 Instituto Costarricense de Electricidad 7303 1900 2063 74 Telecom Argentina S.A., AR 13999 1672 447 424 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1371 2276 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 1002 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 1586 393 22 LINKdotNET-AS, EG 24835 1444 486 27 RAYA-AS, EG 36992 1202 1537 176 ETISALAT-MISR, EG 36903 1187 529 111 MT-MPLS, MA 29571 725 68 11 ORANGE-COTE-IVOIRE, CI 6713 550 1863 34 IAM-AS, MA 36935 517 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 477 47 19 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 8503 3473 570 Uninet S.A. de C.V., MX 47331 7794 1045 3496 TTNET, TR 12479 6455 1724 144 UNI2-AS, ES 7545 5738 783 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5144 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5001 9333 2224 AMAZON-02, US 11492 4750 315 710 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3931 3005 251 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3643 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 6455 6311 UNI2-AS, ES 9808 5144 5092 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5738 5068 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7794 4298 TTNET, TR 11492 4750 4040 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3931 3680 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3643 3602 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 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 /14:1188 /15:1981 /16:13521 /17:8238 /18:13649 /19:25240 /20:40712 /21:50190 /22:104764 /23:89773 /24:493300 /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 5408 6455 UNI2-AS, ES 11492 3804 4750 CABLEONE, US 6327 3166 3359 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8551 3106 3643 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 8151 3072 8503 Uninet S.A. de C.V., MX 22773 2958 3931 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2233 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) ---------------------------------------------- 1:1882 2:1105 3:110 4:19 5:3528 6:65 7:5 8:1483 11:36 12:1748 13:358 14:2204 15:76 16:15 17:320 18:93 20:122 22:188 23:4645 24:2398 25:2 27:2520 29:19 31:2329 32:107 34:2 35:40 36:1241 37:3763 38:2069 39:577 40:160 41:3748 42:923 43:2094 44:237 45:14975 46:3660 47:318 49:1607 50:1769 51:92 52:1232 54:217 55:760 56:8 57:59 58:1604 59:1056 60:889 61:2244 62:2217 63:1957 64:5299 65:2371 66:5147 67:2878 68:1154 69:4053 70:1399 71:689 72:3166 74:2580 75:1485 76:685 77:2031 78:3695 79:2779 80:1868 81:1656 82:1339 83:1118 84:1257 85:3374 86:702 87:1782 88:2703 89:3011 90:444 91:7322 92:1742 93:2545 94:3101 95:4436 96:1264 97:344 98:987 99:971 100:76 101:1196 102:1398 103:25754 104:3730 105:435 106:722 107:2249 108:707 109:4021 110:1892 111:2712 112:1857 113:1287 114:1453 115:1925 116:1803 117:2190 118:2256 119:1837 120:1066 121:997 122:2212 123:2199 124:1515 125:1905 128:1315 129:957 130:831 131:2033 132:743 133:355 134:1584 135:292 136:736 137:922 138:2298 139:1183 140:723 141:1189 142:1144 143:1268 144:1258 145:330 146:1390 147:1297 148:2215 149:1404 150:802 151:1077 152:1542 153:395 154:2341 155:1318 156:1493 157:1168 158:919 159:2045 160:2122 161:1123 162:3273 163:978 164:1507 165:1364 166:586 167:1811 168:3542 169:670 170:4249 171:765 172:2138 173:2940 174:988 175:1075 176:3104 177:4341 178:2893 179:1952 180:2355 181:2572 182:3159 183:1638 184:2429 185:18197 186:4220 187:3203 188:3300 189:2858 190:8912 191:1378 192:10657 193:8015 194:6597 195:4715 196:2890 197:2176 198:6014 199:6005 200:7387 201:5323 202:10204 203:10058 204:4614 205:3335 206:3475 207:3313 208:4008 209:4629 210:3941 211:2062 212:3672 213:3341 214:1227 215:61 216:6175 217:2535 218:1034 219:476 220:2049 221:958 222:782 223:1697 End of report