Global R&E Routing Table Report 23:05 GMT Thu 15 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 851438 Prefixes after maximum aggregation (per Origin AS): 324527 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 411881 Total ASes present in the Internet Routing Table: 71502 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 61375 Origin ASes announcing only one prefix: 25348 Transit ASes present in the Internet Routing Table: 10127 Transit-only ASes present in the Internet Routing Table: 340 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 52 Max AS path prepend of ASN ( 48366) 51 Prefixes from unregistered ASNs in the Routing Table: 1125 Number of instances of unregistered ASNs: 1136 Number of 32-bit ASNs allocated by the RIRs: 36623 Number of 32-bit ASNs visible in the Routing Table: 30429 Prefixes from 32-bit ASNs in the Routing Table: 138271 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: 527 Number of addresses announced to Internet: 3038200064 Equivalent to 181 /8s, 23 /16s and 65 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 291325 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216813 Total APNIC prefixes after maximum aggregation: 63089 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212498 Unique aggregates announced from the APNIC address blocks: 90724 APNIC Region origin ASes present in the Internet Routing Table: 11657 APNIC Prefixes per ASN: 18.23 APNIC Region origin ASes announcing only one prefix: 3300 APNIC Region transit ASes present in the Internet Routing Table: 1643 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6886 Number of APNIC addresses announced to Internet: 774559488 Equivalent to 46 /8s, 42 /16s and 215 /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, 131072-147769 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: 249691 Total ARIN prefixes after maximum aggregation: 114060 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249423 Unique aggregates announced from the ARIN address blocks: 118956 ARIN Region origin ASes present in the Internet Routing Table: 18806 ARIN Prefixes per ASN: 13.26 ARIN Region origin ASes announcing only one prefix: 6841 ARIN Region transit ASes present in the Internet Routing Table: 1936 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: 3982 Number of ARIN addresses announced to Internet: 1268960512 Equivalent to 75 /8s, 162 /16s and 205 /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: 247021 Total RIPE prefixes after maximum aggregation: 114999 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243395 Unique aggregates announced from the RIPE address blocks: 143597 RIPE Region origin ASes present in the Internet Routing Table: 28014 RIPE Prefixes per ASN: 8.69 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3996 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 52 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10316 Number of RIPE addresses announced to Internet: 710881792 Equivalent to 42 /8s, 95 /16s and 50 /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: 111043 Total LACNIC prefixes after maximum aggregation: 26503 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 112193 Unique aggregates announced from the LACNIC address blocks: 47104 LACNIC Region origin ASes present in the Internet Routing Table: 10769 LACNIC Prefixes per ASN: 10.42 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2089 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8413 Number of LACNIC addresses announced to Internet: 175918848 Equivalent to 10 /8s, 124 /16s and 79 /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: 25733 Total AfriNIC prefixes after maximum aggregation: 5112 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 33402 Unique aggregates announced from the AfriNIC address blocks: 11035 AfriNIC Region origin ASes present in the Internet Routing Table: 1495 AfriNIC Prefixes per ASN: 22.34 AfriNIC Region origin ASes announcing only one prefix: 516 AfriNIC Region transit ASes present in the Internet Routing Table: 291 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 832 Number of AfriNIC addresses announced to Internet: 107471104 Equivalent to 6 /8s, 103 /16s and 225 /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 5807 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4934 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3560 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3529 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2879 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2358 483 246 BBIL-AP BHARTI Airtel Ltd., IN 4766 2220 11375 566 KIXS-AS-KR Korea Telecom, KR 45090 2123 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2115 437 192 TATACOMM-AS TATA Communications formerl 24560 1951 838 342 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 5244 9533 2368 AMAZON-02, US 11492 4807 317 728 CABLEONE, US 7155 4000 264 32 VIASAT-SP-BACKBONE, US 22773 3976 3017 262 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3510 1814 2447 AKAMAI-AS, US 6327 3368 1317 69 SHAW, CA 30036 2586 373 112 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2544 5036 475 CENTURYLINK-US-LEGACY-QWEST, US 5972 2254 451 796 DNIC-ASBLK-05800-06055, US 20115 2169 2946 493 CHARTER-20115, 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 7705 1042 3518 TTNET, TR 12479 6751 1726 145 UNI2-AS, ES 20940 3726 3360 196 AKAMAI-ASN1, NL 8551 3313 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2443 255 1304 M247, GB 34984 2216 356 594 TELLCOM-AS, TR 61317 1649 269 844 ASDETUK www.heficed.com, GB 13188 1611 100 27 TRIOLAN, UA 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 8566 3447 583 Uninet S.A. de C.V., MX 10620 3409 525 648 Telmex Colombia S.A., CO 11830 2507 369 62 Instituto Costarricense de Electricidad 13999 1752 426 462 Mega Cable, S.A. de C.V., MX 6503 1487 359 478 Axtel, S.A.B. de C.V., MX 28573 1432 2289 235 CLARO S.A., BR 3816 1240 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1099 369 22 Telefonica del Peru S.A.A., PE 26615 1088 2351 134 TIM SA, BR 11664 990 199 443 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 1501 393 22 LINKdotNET-AS, EG 24835 1457 498 30 RAYA-AS, EG 36992 1307 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 729 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 529 522 40 Vodafone-, EG 15399 496 49 26 WANANCHI-, KE 23889 437 232 16 MauritiusTelecom, MU 2018 328 319 74 TENET-1, ZA 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 8566 3447 583 Uninet S.A. de C.V., MX 47331 7705 1042 3518 TTNET, TR 12479 6751 1726 145 UNI2-AS, ES 7545 5807 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5244 9533 2368 AMAZON-02, US 9808 4934 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4807 317 728 CABLEONE, US 7155 4000 264 32 VIASAT-SP-BACKBONE, US 22773 3976 3017 262 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3726 3360 196 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 6751 6606 UNI2-AS, ES 7545 5807 5131 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4934 4880 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7705 4187 TTNET, TR 11492 4807 4079 CABLEONE, US 7155 4000 3968 VIASAT-SP-BACKBONE, US 22773 3976 3714 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3560 3540 VIETEL-AS-AP Viettel Group, VN 20940 3726 3530 AKAMAI-ASN1, NL 7713 3529 3473 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US 3577 UNALLOCATED 12.19.197.0/24 7018 ATT-INTERNET4, 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 23.162.32.0/24 Origin: 32444 SAFELINK-MV, US Transit: 6939 HURRICANE, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 41.57.124.0/22 Origin: 37442 UNASSIGNED Transit: 174 COGENT-174, US 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 /8:17 /9:14 /10:40 /11:100 /12:306 /13:587 /14:1189 /15:2028 /16:13396 /17:8150 /18:13736 /19:24865 /20:40653 /21:49968 /22:105597 /23:90951 /24:499828 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6876 7705 TTNET, TR 12479 5689 6751 UNI2-AS, ES 11492 3777 4807 CABLEONE, US 6327 3175 3368 SHAW, CA 7155 3088 4000 VIASAT-SP-BACKBONE, US 8151 3080 8566 Uninet S.A. de C.V., MX 22773 2972 3976 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2778 3313 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2255 2586 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1151 3:142 4:20 5:3570 6:79 7:5 8:1511 11:164 12:1741 13:371 14:2219 15:93 16:20 17:326 18:99 20:124 21:1 22:188 23:4832 24:2422 25:2 27:2503 29:19 31:2322 32:93 34:1 35:46 36:1450 37:3782 38:2166 39:577 40:173 41:3725 42:958 43:2017 44:269 45:15294 46:3686 47:351 49:1609 50:1818 51:101 52:1238 54:216 55:817 56:9 57:55 58:1630 59:1042 60:931 61:2197 62:2306 63:1968 64:5377 65:2361 66:5031 67:2894 68:1180 69:4090 70:1377 71:681 72:3131 74:2590 75:1491 76:697 77:2039 78:3669 79:2647 80:1895 81:1645 82:1330 83:1145 84:1253 85:3396 86:702 87:1822 88:2702 89:3013 90:500 91:7391 92:1793 93:2565 94:3119 95:4485 96:1295 97:342 98:979 99:969 100:77 101:1266 102:1541 103:26287 104:3851 105:436 106:797 107:2250 108:727 109:3857 110:1902 111:2770 112:1848 113:1284 114:1442 115:1923 116:1815 117:2210 118:2333 119:1838 120:1041 121:959 122:2487 123:2161 124:1531 125:1881 128:1248 129:1270 130:873 131:2012 132:743 133:360 134:1631 135:295 136:760 137:944 138:2422 139:1198 140:761 141:1216 142:1199 143:1334 144:1264 145:327 146:1460 147:1353 148:2203 149:1459 150:812 151:1092 152:1612 153:419 154:2841 155:1342 156:1651 157:1206 158:944 159:2007 160:2312 161:1228 162:3346 163:1011 164:1541 165:1419 166:614 167:1822 168:3620 169:698 170:4282 171:795 172:2534 173:2978 174:1009 175:1102 176:3169 177:4421 178:2944 179:1925 180:2295 181:2618 182:3166 183:1598 184:2411 185:18602 186:4152 187:3141 188:3339 189:2861 190:8804 191:1390 192:10713 193:8268 194:6712 195:4799 196:2885 197:1939 198:6019 199:6001 200:7329 201:5223 202:10149 203:10050 204:4632 205:3351 206:3541 207:3342 208:4026 209:4709 210:3944 211:2191 212:3734 213:3466 214:1182 215:56 216:6284 217:2582 218:1050 219:463 220:2029 221:901 222:678 223:1724 End of report