IPv4 R&E Routing Table Report 23:05 GMT Fri 17 Jun, 2022 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 885502 Prefixes after maximum aggregation (per Origin AS): 336676 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434132 Number of IPv4 prefixes with a valid ROA: 331032 Number of IPv4 prefixes with an invalid ROA: 1239 Number of IPv4 prefixes with no ROA: 553231 Total ASes present in the Internet Routing Table: 73029 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62707 Origin ASes announcing only one prefix: 25780 Transit ASes present in the Internet Routing Table: 10322 Transit-only ASes present in the Internet Routing Table: 375 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 878 Number of instances of unregistered ASNs: 882 Number of 32-bit ASNs allocated by the RIRs: 39606 Number of 32-bit ASNs visible in the Routing Table: 32754 Prefixes from 32-bit ASNs in the Routing Table: 155229 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 485 Number of addresses announced to Internet: 3067641088 Equivalent to 182 /8s, 216 /16s and 125 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 297879 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228832 Total APNIC prefixes after maximum aggregation: 66172 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224145 Unique aggregates announced from the APNIC address blocks: 95276 APNIC Region origin ASes present in the Internet Routing Table: 12608 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 3615 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7892 Number of APNIC addresses announced to Internet: 772900864 Equivalent to 46 /8s, 17 /16s and 136 /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, 131072-151865 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: 262238 Total ARIN prefixes after maximum aggregation: 120138 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262323 Unique aggregates announced from the ARIN address blocks: 126776 ARIN Region origin ASes present in the Internet Routing Table: 18964 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6904 ARIN Region transit ASes present in the Internet Routing Table: 1863 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4508 Number of ARIN addresses announced to Internet: 1296994560 Equivalent to 77 /8s, 78 /16s and 145 /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: 250581 Total RIPE prefixes after maximum aggregation: 116693 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247846 Unique aggregates announced from the RIPE address blocks: 151371 RIPE Region origin ASes present in the Internet Routing Table: 28103 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3991 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10698 Number of RIPE addresses announced to Internet: 713613056 Equivalent to 42 /8s, 136 /16s and 223 /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: 115038 Total LACNIC prefixes after maximum aggregation: 27482 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114811 Unique aggregates announced from the LACNIC address blocks: 48714 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2227 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8686 Number of LACNIC addresses announced to Internet: 176251136 Equivalent to 10 /8s, 129 /16s and 97 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 27935 Total AfriNIC prefixes after maximum aggregation: 5513 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35892 Unique aggregates announced from the AfriNIC address blocks: 11583 AfriNIC Region origin ASes present in the Internet Routing Table: 1643 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 562 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 970 Number of AfriNIC addresses announced to Internet: 107600640 Equivalent to 6 /8s, 105 /16s and 219 /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 9808 9219 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3576 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2415 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2249 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2127 425 216 TATACOMM-AS TATA Communications formerl 24560 2081 852 391 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 6654 10377 2721 AMAZON-02, US 11492 4531 300 652 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3887 3067 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3454 1801 2513 AKAMAI-AS, US 6327 3440 1319 63 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2624 374 166 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2475 3342 352 GOOGLE-CLOUD-PLATFORM, US 209 2433 4960 415 CENTURYLINK-US-LEGACY-QWEST, 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 12479 6866 1730 143 UNI2-AS, ES 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3959 3360 194 AKAMAI-ASN1, NL 12389 2895 2273 907 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2523 249 1312 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 58224 1826 936 611 TCI, IR 13188 1610 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 10735 3401 553 Uninet S.A. de C.V., MX 10620 3489 519 736 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1875 306 490 Mega Cable, S.A. de C.V., MX 28573 1379 2332 273 Claro NXT Telecomunicacoes Ltda, BR 6503 1370 351 534 Axtel, S.A.B. de C.V., MX 3816 1258 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1073 369 21 Telefonica del Peru S.A.A., PE 11664 1027 191 437 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, BR 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 1600 393 19 LINKdotNET-AS, EG 24835 1525 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 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 10735 3401 553 Uninet S.A. de C.V., MX 9808 9219 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6866 1730 143 UNI2-AS, ES 16509 6654 10377 2721 AMAZON-02, US 7545 5922 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4531 300 652 CABLEONE, US 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3959 3360 194 AKAMAI-ASN1, NL 7155 3901 264 31 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9219 9184 CHINAMOBILE-CN China Mobile Communications Grou 12479 6866 6723 UNI2-AS, ES 7545 5922 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4003 3964 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6654 3933 AMAZON-02, US 11492 4531 3879 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 20940 3959 3765 AKAMAI-ASN1, NL 7552 3576 3557 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 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 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, 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 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /11:100 /12:301 /13:589 /14:1198 /15:2082 /16:13461 /17:8245 /18:13703 /19:24728 /20:43046 /21:50846 /22:107306 /23:95054 /24:524768 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5845 6866 UNI2-AS, ES 8151 4454 10735 Uninet S.A. de C.V., MX 8551 3469 4003 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3434 4531 CABLEONE, US 6327 3250 3440 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2905 3887 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2281 2624 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1924 2:1022 3:157 4:6 5:3791 6:108 7:6 8:1553 9:1 11:172 12:1648 13:333 14:2331 15:211 16:42 17:385 18:173 20:213 21:4 22:188 23:5668 24:2359 25:6 27:2614 29:19 31:2443 32:92 34:5 35:87 36:1823 37:4454 38:3053 39:711 40:153 41:3894 42:1119 43:2194 44:291 45:15825 46:4144 47:295 49:1675 50:2169 51:236 52:1442 54:381 55:803 56:8 57:59 58:1703 59:1110 60:962 61:2265 62:2494 63:1936 64:5524 65:2334 66:4835 67:2964 68:1195 69:4163 70:1326 71:680 72:3047 74:2641 75:1393 76:576 77:2212 78:1843 79:3123 80:1999 81:1592 82:1495 83:1209 84:1306 85:2926 86:710 87:1919 88:1147 89:3332 90:541 91:7617 92:2015 93:2544 94:3447 95:3857 96:1310 97:351 98:1003 99:747 100:77 101:1272 102:2152 103:29143 104:4482 105:467 106:873 107:2530 108:838 109:4263 110:1974 111:3266 112:2038 113:1468 114:1468 115:1967 116:1884 117:2528 118:2324 119:1849 120:1669 121:1020 122:2509 123:2081 124:1540 125:2044 128:1181 129:1060 130:972 131:2023 132:803 133:378 134:1919 135:279 136:876 137:858 138:2431 139:1527 140:887 141:1423 142:1281 143:1435 144:1208 145:349 146:1806 147:1503 148:2207 149:1744 150:858 151:1073 152:1833 153:460 154:3549 155:1438 156:1724 157:1243 158:1048 159:2212 160:2541 161:1274 162:3454 163:1271 164:1624 165:1620 166:717 167:1742 168:3775 169:869 170:4432 171:829 172:3214 173:3121 174:1015 175:1146 176:3559 177:4625 178:3552 179:2103 180:2328 181:2979 182:3202 183:1953 184:2366 185:19547 186:4295 187:3796 188:3917 189:3326 190:8877 191:1350 192:10987 193:8607 194:7008 195:4935 196:3043 197:2390 198:5930 199:6018 200:7471 201:5831 202:10096 203:9973 204:4530 205:3456 206:3679 207:3348 208:4003 209:4676 210:4151 211:2319 212:4007 213:3396 214:1145 215:66 216:6486 217:2671 218:1272 219:407 220:1674 221:1006 222:652 223:2119 End of report