Global R&E Routing Table Report 23:05 GMT Wed 14 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 851010 Prefixes after maximum aggregation (per Origin AS): 324413 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 411772 Total ASes present in the Internet Routing Table: 71492 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 61369 Origin ASes announcing only one prefix: 25339 Transit ASes present in the Internet Routing Table: 10123 Transit-only ASes present in the Internet Routing Table: 344 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: 1102 Number of instances of unregistered ASNs: 1113 Number of 32-bit ASNs allocated by the RIRs: 36614 Number of 32-bit ASNs visible in the Routing Table: 30411 Prefixes from 32-bit ASNs in the Routing Table: 138154 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: 520 Number of addresses announced to Internet: 3038119680 Equivalent to 181 /8s, 22 /16s and 7 /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: 290897 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216984 Total APNIC prefixes after maximum aggregation: 63106 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 212516 Unique aggregates announced from the APNIC address blocks: 90570 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: 3299 APNIC Region transit ASes present in the Internet Routing Table: 1649 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: 6887 Number of APNIC addresses announced to Internet: 774606336 Equivalent to 46 /8s, 43 /16s and 142 /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: 113963 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 249430 Unique aggregates announced from the ARIN address blocks: 119001 ARIN Region origin ASes present in the Internet Routing Table: 18805 ARIN Prefixes per ASN: 13.26 ARIN Region origin ASes announcing only one prefix: 6840 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: 3979 Number of ARIN addresses announced to Internet: 1268937728 Equivalent to 75 /8s, 162 /16s and 116 /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: 246580 Total RIPE prefixes after maximum aggregation: 114932 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 242969 Unique aggregates announced from the RIPE address blocks: 143566 RIPE Region origin ASes present in the Internet Routing Table: 28005 RIPE Prefixes per ASN: 8.68 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3995 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: 10305 Number of RIPE addresses announced to Internet: 710888448 Equivalent to 42 /8s, 95 /16s and 76 /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: 110985 Total LACNIC prefixes after maximum aggregation: 26551 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 112108 Unique aggregates announced from the LACNIC address blocks: 47123 LACNIC Region origin ASes present in the Internet Routing Table: 10768 LACNIC Prefixes per ASN: 10.41 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2080 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: 8408 Number of LACNIC addresses announced to Internet: 175777792 Equivalent to 10 /8s, 122 /16s and 40 /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: 25656 Total AfriNIC prefixes after maximum aggregation: 5103 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 33467 Unique aggregates announced from the AfriNIC address blocks: 11052 AfriNIC Region origin ASes present in the Internet Routing Table: 1495 AfriNIC Prefixes per ASN: 22.39 AfriNIC Region origin ASes announcing only one prefix: 515 AfriNIC Region transit ASes present in the Internet Routing Table: 290 Average AfriNIC Region AS path length visible: 4.0 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: 107504896 Equivalent to 6 /8s, 104 /16s and 101 /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 5805 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4937 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3561 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3529 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2878 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2359 483 247 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 5253 9534 2361 AMAZON-02, US 11492 4850 319 682 CABLEONE, US 7155 4000 264 32 VIASAT-SP-BACKBONE, US 22773 3974 3017 262 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3509 1814 2446 AKAMAI-AS, US 6327 3368 1317 69 SHAW, CA 30036 2587 373 111 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2545 5037 475 CENTURYLINK-US-LEGACY-QWEST, US 5972 2258 452 792 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 7714 1043 3520 TTNET, TR 12479 6745 1726 145 UNI2-AS, ES 20940 3718 3360 196 AKAMAI-ASN1, NL 8551 3323 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2283 896 ROSTELECOM-AS, RU 9009 2449 257 1311 M247, GB 34984 2216 356 594 TELLCOM-AS, TR 61317 1644 269 842 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 8568 3447 582 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 1766 430 457 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 1096 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 24835 1420 498 30 RAYA-AS, EG 24863 1415 393 22 LINKdotNET-AS, EG 36992 1304 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 730 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 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 8568 3447 582 Uninet S.A. de C.V., MX 47331 7714 1043 3520 TTNET, TR 12479 6745 1726 145 UNI2-AS, ES 7545 5805 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5253 9534 2361 AMAZON-02, US 9808 4937 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4850 319 682 CABLEONE, US 7155 4000 264 32 VIASAT-SP-BACKBONE, US 22773 3974 3017 262 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3718 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 6745 6600 UNI2-AS, ES 7545 5805 5129 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4937 4883 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7714 4194 TTNET, TR 11492 4850 4168 CABLEONE, US 7155 4000 3968 VIASAT-SP-BACKBONE, US 22773 3974 3712 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3561 3541 VIETEL-AS-AP Viettel Group, VN 20940 3718 3522 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 /15:2029 /16:13396 /17:8151 /18:13735 /19:24838 /20:40612 /21:49910 /22:105493 /23:90839 /24:499741 /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 6884 7714 TTNET, TR 12479 5683 6745 UNI2-AS, ES 11492 3797 4850 CABLEONE, US 6327 3175 3368 SHAW, CA 7155 3088 4000 VIASAT-SP-BACKBONE, US 8151 3083 8568 Uninet S.A. de C.V., MX 22773 2970 3974 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2787 3323 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2253 2587 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1893 2:1151 3:140 4:20 5:3545 6:79 7:5 8:1511 11:164 12:1743 13:371 14:2217 15:92 16:18 17:326 18:97 20:124 21:1 22:188 23:4827 24:2428 25:2 27:2507 29:19 31:2320 32:108 34:1 35:46 36:1416 37:3746 38:2165 39:569 40:169 41:3726 42:958 43:2034 44:268 45:15290 46:3682 47:351 49:1609 50:1814 51:85 52:1242 54:219 55:812 56:9 57:55 58:1631 59:1046 60:931 61:2196 62:2304 63:1967 64:5375 65:2362 66:5038 67:2889 68:1179 69:4090 70:1376 71:681 72:3132 74:2590 75:1492 76:696 77:2035 78:3669 79:2647 80:1853 81:1651 82:1361 83:1142 84:1250 85:3369 86:701 87:1816 88:2701 89:3013 90:496 91:7381 92:1771 93:2567 94:3111 95:4484 96:1295 97:343 98:978 99:968 100:77 101:1269 102:1538 103:26333 104:3852 105:437 106:797 107:2243 108:724 109:3846 110:1904 111:2764 112:1821 113:1285 114:1441 115:1923 116:1823 117:2205 118:2330 119:1862 120:1041 121:959 122:2487 123:2159 124:1531 125:1884 128:1248 129:1279 130:872 131:2004 132:741 133:360 134:1634 135:296 136:761 137:947 138:2418 139:1198 140:760 141:1217 142:1198 143:1334 144:1268 145:321 146:1454 147:1353 148:2204 149:1458 150:818 151:1089 152:1611 153:420 154:2971 155:1343 156:1633 157:1208 158:946 159:2020 160:2341 161:1228 162:3346 163:1010 164:1545 165:1417 166:613 167:1822 168:3618 169:695 170:4283 171:793 172:2516 173:2980 174:1009 175:1072 176:3144 177:4393 178:2941 179:1914 180:2310 181:2617 182:3167 183:1598 184:2412 185:18585 186:4145 187:3140 188:3326 189:2854 190:8829 191:1385 192:10711 193:8259 194:6707 195:4799 196:2895 197:1907 198:6018 199:6013 200:7382 201:5228 202:10169 203:10073 204:4640 205:3352 206:3543 207:3341 208:4026 209:4707 210:3946 211:2191 212:3724 213:3460 214:1178 215:56 216:6285 217:2580 218:1050 219:463 220:2030 221:901 222:679 223:1722 End of report