IPv4 R&E Routing Table Report 23:05 GMT Sat 18 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: 885514 Prefixes after maximum aggregation (per Origin AS): 336680 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434143 Number of IPv4 prefixes with a valid ROA: 331139 Number of IPv4 prefixes with an invalid ROA: 1243 Number of IPv4 prefixes with no ROA: 553132 Total ASes present in the Internet Routing Table: 73034 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62710 Origin ASes announcing only one prefix: 25773 Transit ASes present in the Internet Routing Table: 10324 Transit-only ASes present in the Internet Routing Table: 374 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: 39613 Number of 32-bit ASNs visible in the Routing Table: 32764 Prefixes from 32-bit ASNs in the Routing Table: 155188 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: 3068004864 Equivalent to 182 /8s, 222 /16s and 10 /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: 297925 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228857 Total APNIC prefixes after maximum aggregation: 66185 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224146 Unique aggregates announced from the APNIC address blocks: 95303 APNIC Region origin ASes present in the Internet Routing Table: 12614 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 3613 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: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7899 Number of APNIC addresses announced to Internet: 772921088 Equivalent to 46 /8s, 17 /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, 131072-151865 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: 262146 Total ARIN prefixes after maximum aggregation: 120115 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262261 Unique aggregates announced from the ARIN address blocks: 126758 ARIN Region origin ASes present in the Internet Routing Table: 18960 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6902 ARIN Region transit ASes present in the Internet Routing Table: 1861 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: 4507 Number of ARIN addresses announced to Internet: 1297113344 Equivalent to 77 /8s, 80 /16s and 97 /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: 250739 Total RIPE prefixes after maximum aggregation: 116723 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247996 Unique aggregates announced from the RIPE address blocks: 151413 RIPE Region origin ASes present in the Internet Routing Table: 28106 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12019 RIPE Region transit ASes present in the Internet Routing Table: 3989 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: 10699 Number of RIPE addresses announced to Internet: 713702912 Equivalent to 42 /8s, 138 /16s and 62 /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: 115010 Total LACNIC prefixes after maximum aggregation: 27482 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114789 Unique aggregates announced from the LACNIC address blocks: 48693 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2231 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: 8683 Number of LACNIC addresses announced to Internet: 176360448 Equivalent to 10 /8s, 131 /16s and 12 /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: 27884 Total AfriNIC prefixes after maximum aggregation: 5497 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35837 Unique aggregates announced from the AfriNIC address blocks: 11564 AfriNIC Region origin ASes present in the Internet Routing Table: 1648 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 575 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 976 Number of AfriNIC addresses announced to Internet: 107626496 Equivalent to 6 /8s, 106 /16s and 64 /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 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2416 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 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 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 6650 10376 2723 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 2965 50743 2221 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 4006 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 2523 249 1312 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 58224 1828 936 605 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 3488 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 1369 351 536 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 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 611 1863 34 IAM-AS, MA 15399 517 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 6650 10376 2723 AMAZON-02, US 7545 5921 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4531 300 652 CABLEONE, US 8551 4006 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 4006 3967 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6650 3927 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 /14:1197 /15:2082 /16:13463 /17:8250 /18:13696 /19:24731 /20:43058 /21:50853 /22:107302 /23:95042 /24:524775 /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 3472 4006 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 2:1021 3:157 4:6 5:3795 6:107 7:6 8:1537 9:1 11:172 12:1648 13:332 14:2327 15:211 16:42 17:385 18:173 20:213 21:4 22:188 23:5670 24:2360 25:6 27:2613 29:19 31:2443 32:92 34:5 35:87 36:1823 37:4454 38:3056 39:711 40:153 41:3902 42:1120 43:2192 44:290 45:15825 46:4146 47:295 49:1676 50:2171 51:236 52:1442 54:381 55:805 56:8 57:59 58:1705 59:1110 60:962 61:2264 62:2492 63:1938 64:5523 65:2334 66:4837 67:2967 68:1195 69:4162 70:1325 71:680 72:3043 74:2640 75:1393 76:576 77:2216 78:1847 79:3125 80:1998 81:1610 82:1495 83:1209 84:1313 85:2927 86:710 87:1920 88:1145 89:3332 90:541 91:7622 92:2018 93:2549 94:3451 95:3859 96:1310 97:351 98:1002 99:747 100:77 101:1272 102:2138 103:29162 104:4477 105:467 106:873 107:2531 108:838 109:4265 110:1976 111:3265 112:2038 113:1468 114:1468 115:1968 116:1885 117:2528 118:2302 119:1849 120:1669 121:1020 122:2509 123:2081 124:1541 125:2043 128:1178 129:1059 130:973 131:2024 132:802 133:378 134:1919 135:278 136:876 137:855 138:2420 139:1529 140:888 141:1425 142:1282 143:1429 144:1200 145:349 146:1806 147:1505 148:2203 149:1743 150:858 151:1073 152:1835 153:460 154:3542 155:1438 156:1723 157:1243 158:1048 159:2214 160:2541 161:1270 162:3455 163:1271 164:1616 165:1620 166:717 167:1745 168:3775 169:869 170:4435 171:830 172:3214 173:3121 174:1010 175:1146 176:3558 177:4619 178:3549 179:2108 180:2328 181:2971 182:3202 183:1954 184:2366 185:19562 186:4308 187:3805 188:3919 189:3327 190:8873 191:1352 192:10995 193:8609 194:7025 195:4935 196:3037 197:2392 198:5929 199:6020 200:7469 201:5826 202:10091 203:9975 204:4532 205:3454 206:3678 207:3342 208:4003 209:4656 210:4152 211:2319 212:4011 213:3401 214:1144 215:66 216:6484 217:2671 218:1269 219:407 220:1674 221:1006 222:652 223:2118 End of report