IPv4 R&E Routing Table Report 23:05 GMT Sun 19 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: 885547 Prefixes after maximum aggregation (per Origin AS): 336684 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434131 Number of IPv4 prefixes with a valid ROA: 331051 Number of IPv4 prefixes with an invalid ROA: 1263 Number of IPv4 prefixes with no ROA: 553233 Total ASes present in the Internet Routing Table: 73047 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62712 Origin ASes announcing only one prefix: 25781 Transit ASes present in the Internet Routing Table: 10335 Transit-only ASes present in the Internet Routing Table: 375 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 876 Number of instances of unregistered ASNs: 879 Number of 32-bit ASNs allocated by the RIRs: 39622 Number of 32-bit ASNs visible in the Routing Table: 32767 Prefixes from 32-bit ASNs in the Routing Table: 155186 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 486 Number of addresses announced to Internet: 3068017152 Equivalent to 182 /8s, 222 /16s and 58 /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: 297866 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228898 Total APNIC prefixes after maximum aggregation: 66182 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224189 Unique aggregates announced from the APNIC address blocks: 95296 APNIC Region origin ASes present in the Internet Routing Table: 12610 APNIC Prefixes per ASN: 17.78 APNIC Region origin ASes announcing only one prefix: 3610 APNIC Region transit ASes present in the Internet Routing Table: 1741 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7893 Number of APNIC addresses announced to Internet: 772929536 Equivalent to 46 /8s, 17 /16s and 248 /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: 262135 Total ARIN prefixes after maximum aggregation: 120102 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262259 Unique aggregates announced from the ARIN address blocks: 126756 ARIN Region origin ASes present in the Internet Routing Table: 18963 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: 1864 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4508 Number of ARIN addresses announced to Internet: 1297117184 Equivalent to 77 /8s, 80 /16s and 112 /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: 250705 Total RIPE prefixes after maximum aggregation: 116743 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247948 Unique aggregates announced from the RIPE address blocks: 151390 RIPE Region origin ASes present in the Internet Routing Table: 28116 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3994 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10706 Number of RIPE addresses announced to Internet: 713694720 Equivalent to 42 /8s, 138 /16s and 30 /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: 115054 Total LACNIC prefixes after maximum aggregation: 27481 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114830 Unique aggregates announced from the LACNIC address blocks: 48707 LACNIC Region origin ASes present in the Internet Routing Table: 10974 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: 2234 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: 8685 Number of LACNIC addresses announced to Internet: 176361216 Equivalent to 10 /8s, 131 /16s and 15 /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: 27879 Total AfriNIC prefixes after maximum aggregation: 5502 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35835 Unique aggregates announced from the AfriNIC address blocks: 11571 AfriNIC Region origin ASes present in the Internet Routing Table: 1649 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 570 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 975 Number of AfriNIC addresses announced to Internet: 107634688 Equivalent to 6 /8s, 106 /16s and 96 /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 9221 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5921 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 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2418 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 2125 425 216 TATACOMM-AS TATA Communications formerl 24560 2083 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 6641 10374 2722 AMAZON-02, US 11492 4531 300 652 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3889 3070 356 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 6865 1730 143 UNI2-AS, ES 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3959 3360 194 AKAMAI-ASN1, NL 12389 2895 2273 907 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2521 249 1310 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 58224 1823 936 609 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 10737 3402 554 Uninet S.A. de C.V., MX 10620 3490 519 740 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 6503 1370 351 534 Axtel, S.A.B. de C.V., MX 28573 1369 2332 273 Claro NXT Telecomunicacoes Ltda, BR 3816 1258 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1072 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 438 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 1598 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 10737 3402 554 Uninet S.A. de C.V., MX 9808 9221 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6865 1730 143 UNI2-AS, ES 16509 6641 10374 2722 AMAZON-02, US 7545 5921 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4531 300 652 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 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 9221 9186 CHINAMOBILE-CN China Mobile Communications Grou 12479 6865 6722 UNI2-AS, ES 7545 5921 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6641 3919 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 /15:2083 /16:13466 /17:8248 /18:13700 /19:24728 /20:43061 /21:50868 /22:107315 /23:95079 /24:524736 /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 5844 6865 UNI2-AS, ES 8151 4455 10737 Uninet S.A. de C.V., MX 8551 3474 4008 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 2904 3889 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 2:1020 3:157 4:6 5:3796 6:107 7:6 8:1538 9:1 11:172 12:1648 13:332 14:2327 15:211 16:42 17:385 18:173 20:213 21:4 22:188 23:5666 24:2360 25:6 27:2615 29:19 31:2444 32:92 34:5 35:87 36:1823 37:4454 38:3060 39:711 40:153 41:3877 42:1120 43:2194 44:290 45:15819 46:4146 47:295 49:1676 50:2170 51:236 52:1442 54:380 55:802 56:8 57:59 58:1706 59:1110 60:962 61:2265 62:2491 63:1936 64:5517 65:2334 66:4837 67:2966 68:1195 69:4164 70:1324 71:680 72:3048 74:2638 75:1393 76:576 77:2213 78:1846 79:3123 80:1997 81:1610 82:1495 83:1211 84:1312 85:2924 86:708 87:1921 88:1149 89:3328 90:541 91:7620 92:2015 93:2545 94:3438 95:3848 96:1310 97:351 98:1003 99:747 100:77 101:1272 102:2139 103:29178 104:4473 105:467 106:872 107:2533 108:838 109:4262 110:1976 111:3266 112:2037 113:1466 114:1471 115:1966 116:1885 117:2528 118:2301 119:1847 120:1665 121:1020 122:2509 123:2081 124:1539 125:2045 128:1179 129:1059 130:973 131:2022 132:799 133:378 134:1922 135:279 136:876 137:860 138:2417 139:1528 140:888 141:1429 142:1282 143:1429 144:1207 145:349 146:1807 147:1505 148:2195 149:1741 150:858 151:1074 152:1835 153:460 154:3542 155:1436 156:1724 157:1243 158:1048 159:2211 160:2540 161:1273 162:3455 163:1270 164:1613 165:1620 166:717 167:1745 168:3777 169:869 170:4435 171:829 172:3217 173:3121 174:1017 175:1147 176:3561 177:4618 178:3549 179:2106 180:2327 181:2972 182:3203 183:1954 184:2365 185:19560 186:4301 187:3802 188:3919 189:3325 190:8903 191:1350 192:10995 193:8613 194:7023 195:4935 196:3040 197:2387 198:5928 199:6019 200:7471 201:5832 202:10100 203:9973 204:4533 205:3458 206:3678 207:3344 208:4001 209:4654 210:4153 211:2323 212:3997 213:3405 214:1146 215:66 216:6479 217:2672 218:1269 219:407 220:1674 221:1006 222:652 223:2119 End of report