Global R&E Routing Table Report 23:15 GMT Thu 08 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 842489 Prefixes after maximum aggregation (per Origin AS): 321042 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 406013 Total ASes present in the Internet Routing Table: 70816 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60825 Origin ASes announcing only one prefix: 25135 Transit ASes present in the Internet Routing Table: 9991 Transit-only ASes present in the Internet Routing Table: 329 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: 1000 Number of instances of unregistered ASNs: 1013 Number of 32-bit ASNs allocated by the RIRs: 35637 Number of 32-bit ASNs visible in the Routing Table: 29530 Prefixes from 32-bit ASNs in the Routing Table: 133378 Number of bogon 32-bit ASNs visible in the Routing Table: 32 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 2946966528 Equivalent to 175 /8s, 167 /16s and 36 /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: 289071 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214569 Total APNIC prefixes after maximum aggregation: 62738 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 210747 Unique aggregates announced from the APNIC address blocks: 88768 APNIC Region origin ASes present in the Internet Routing Table: 11262 APNIC Prefixes per ASN: 18.71 APNIC Region origin ASes announcing only one prefix: 3206 APNIC Region transit ASes present in the Internet Routing Table: 1581 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: 6484 Number of APNIC addresses announced to Internet: 772288512 Equivalent to 46 /8s, 8 /16s and 48 /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: 244550 Total ARIN prefixes after maximum aggregation: 112466 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 244993 Unique aggregates announced from the ARIN address blocks: 117415 ARIN Region origin ASes present in the Internet Routing Table: 18740 ARIN Prefixes per ASN: 13.07 ARIN Region origin ASes announcing only one prefix: 6807 ARIN Region transit ASes present in the Internet Routing Table: 1942 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: 3808 Number of ARIN addresses announced to Internet: 1180901632 Equivalent to 70 /8s, 99 /16s and 33 /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: 244187 Total RIPE prefixes after maximum aggregation: 113594 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240138 Unique aggregates announced from the RIPE address blocks: 141197 RIPE Region origin ASes present in the Internet Routing Table: 27866 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11955 RIPE Region transit ASes present in the Internet Routing Table: 3983 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: 10098 Number of RIPE addresses announced to Internet: 710718208 Equivalent to 42 /8s, 92 /16s and 179 /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: 112520 Total LACNIC prefixes after maximum aggregation: 26567 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 113640 Unique aggregates announced from the LACNIC address blocks: 48207 LACNIC Region origin ASes present in the Internet Routing Table: 10742 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2022 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: 8351 Number of LACNIC addresses announced to Internet: 174924800 Equivalent to 10 /8s, 109 /16s and 36 /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: 25651 Total AfriNIC prefixes after maximum aggregation: 4908 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 32445 Unique aggregates announced from the AfriNIC address blocks: 9948 AfriNIC Region origin ASes present in the Internet Routing Table: 1447 AfriNIC Prefixes per ASN: 22.42 AfriNIC Region origin ASes announcing only one prefix: 495 AfriNIC Region transit ASes present in the Internet Routing Table: 297 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: 789 Number of AfriNIC addresses announced to Internet: 107706624 Equivalent to 6 /8s, 107 /16s and 121 /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 5718 783 671 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5172 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3523 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3488 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3001 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2320 482 232 BBIL-AP BHARTI Airtel Ltd., IN 4766 2208 11358 561 KIXS-AS-KR Korea Telecom, KR 4755 2121 441 190 TATACOMM-AS TATA Communications formerl 45090 2097 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 4935 9258 2209 AMAZON-02, US 11492 4751 315 717 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3917 2998 247 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3361 1743 2402 AKAMAI-AS, US 6327 3358 1317 70 SHAW, CA 30036 2553 373 100 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2527 5055 487 CENTURYLINK-US-LEGACY-QWEST, US 5650 2342 2996 1636 FRONTIER-FRTR, US 5972 2214 448 805 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 7758 1043 3489 TTNET, TR 12479 6396 1700 139 UNI2-AS, ES 8551 3633 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3585 3360 193 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2873 2284 897 ROSTELECOM-AS, RU 9009 2379 246 1278 M247, GB 34984 2212 357 584 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1569 881 576 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 8484 3472 569 Uninet S.A. de C.V., MX 10620 3410 527 604 Telmex Colombia S.A., CO 11830 2550 369 63 Instituto Costarricense de Electricidad 7303 1695 1420 305 Telecom Argentina S.A., AR 13999 1664 447 425 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1375 2271 223 CLARO S.A., BR 3816 1218 634 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1128 377 39 Telefonica del Peru S.A.A., PE 11664 1002 212 403 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 1545 393 22 LINKdotNET-AS, EG 24835 1443 486 27 RAYA-AS, EG 36992 1195 1537 174 ETISALAT-MISR, EG 36903 1189 530 107 MT-MPLS, MA 29571 688 68 11 ORANGE-COTE-IVOIRE, CI 6713 547 1863 34 IAM-AS, MA 36935 514 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 480 47 17 WANANCHI-, KE 23889 447 232 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 8484 3472 569 Uninet S.A. de C.V., MX 47331 7758 1043 3489 TTNET, TR 12479 6396 1700 139 UNI2-AS, ES 7545 5718 783 671 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5172 8995 52 CMNET-GD Guangdong Mobile Communication 16509 4935 9258 2209 AMAZON-02, US 11492 4751 315 717 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3917 2998 247 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3633 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 6396 6257 UNI2-AS, ES 9808 5172 5120 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5718 5047 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7758 4269 TTNET, TR 11492 4751 4034 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3917 3670 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3633 3592 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3523 3468 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 7552 3488 3468 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 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 /8:12 /9:12 /10:39 /11:102 /12:294 /13:582 /14:1182 /15:1979 /16:13503 /17:8219 /18:13651 /19:25336 /20:40709 /21:50203 /22:104631 /23:89731 /24:492292 /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 6935 7758 TTNET, TR 12479 5353 6396 UNI2-AS, ES 11492 3805 4751 CABLEONE, US 6327 3165 3358 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8551 3096 3633 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 8151 3057 8484 Uninet S.A. de C.V., MX 22773 2958 3917 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2237 2553 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1879 2:1110 3:101 4:19 5:3556 6:63 7:5 8:1477 11:36 12:1749 13:358 14:2206 15:73 16:15 17:317 18:93 20:122 22:188 23:4621 24:2400 25:2 27:2499 29:19 31:2310 32:107 34:2 35:40 36:1245 37:3764 38:2061 39:574 40:161 41:3756 42:922 43:2095 44:237 45:14910 46:3690 47:320 49:1607 50:1757 51:92 52:1212 54:219 55:758 56:8 57:58 58:1611 59:1054 60:887 61:2270 62:2197 63:1962 64:5266 65:2365 66:5130 67:2869 68:1152 69:4040 70:1398 71:688 72:3161 74:2572 75:1486 76:682 77:2021 78:3673 79:2800 80:1867 81:1646 82:1343 83:1116 84:1251 85:3345 86:706 87:1780 88:2701 89:3026 90:431 91:7299 92:1742 93:2541 94:3078 95:4414 96:1262 97:345 98:985 99:968 100:73 101:1198 102:1360 103:25566 104:3700 105:436 106:722 107:2237 108:704 109:3996 110:1884 111:2711 112:1860 113:1304 114:1457 115:1907 116:1803 117:2195 118:2260 119:1833 120:1066 121:1003 122:2211 123:2166 124:1506 125:1910 128:1314 129:949 130:822 131:2047 132:751 133:355 134:1586 135:288 136:735 137:914 138:2310 139:1178 140:730 141:1186 142:1110 143:1261 144:1250 145:331 146:1372 147:1289 148:2214 149:1436 150:794 151:1078 152:1544 153:394 154:2312 155:1323 156:1479 157:1163 158:924 159:2021 160:2110 161:1126 162:3248 163:974 164:1509 165:1331 166:584 167:1810 168:3560 169:658 170:4253 171:764 172:2125 173:2933 174:969 175:1075 176:3101 177:4356 178:2894 179:1942 180:2345 181:2560 182:3167 183:1629 184:2423 185:18165 186:4203 187:3172 188:3288 189:2818 190:8918 191:1468 192:10640 193:7984 194:6586 195:4706 196:2903 197:2178 198:5998 199:6008 200:7410 201:5347 202:10217 203:10049 204:4612 205:3323 206:3453 207:3303 208:4010 209:4605 210:3955 211:2063 212:3695 213:3309 214:1220 215:61 216:6174 217:2525 218:1028 219:473 220:2032 221:980 222:787 223:1709 End of report