IPv4 R&E Routing Table Report 23:05 GMT Thu 04 Aug, 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: 889825 Prefixes after maximum aggregation (per Origin AS): 338446 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437636 Number of IPv4 prefixes with a valid ROA: 343415 Number of IPv4 prefixes with an invalid ROA: 1382 Number of IPv4 prefixes with no ROA: 545028 Total ASes present in the Internet Routing Table: 73283 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62901 Origin ASes announcing only one prefix: 25940 Transit ASes present in the Internet Routing Table: 10382 Transit-only ASes present in the Internet Routing Table: 399 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 937 Number of instances of unregistered ASNs: 937 Number of 32-bit ASNs allocated by the RIRs: 39920 Number of 32-bit ASNs visible in the Routing Table: 33055 Prefixes from 32-bit ASNs in the Routing Table: 157403 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 494 Number of addresses announced to Internet: 3070145280 Equivalent to 182 /8s, 254 /16s and 179 /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: 299503 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229990 Total APNIC prefixes after maximum aggregation: 66621 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225057 Unique aggregates announced from the APNIC address blocks: 96222 APNIC Region origin ASes present in the Internet Routing Table: 12767 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3690 APNIC Region transit ASes present in the Internet Routing Table: 1744 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8057 Number of APNIC addresses announced to Internet: 772570368 Equivalent to 46 /8s, 12 /16s and 125 /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: 263160 Total ARIN prefixes after maximum aggregation: 120352 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263411 Unique aggregates announced from the ARIN address blocks: 127404 ARIN Region origin ASes present in the Internet Routing Table: 18975 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6925 ARIN Region transit ASes present in the Internet Routing Table: 1858 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4555 Number of ARIN addresses announced to Internet: 1295756288 Equivalent to 77 /8s, 59 /16s and 172 /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: 251927 Total RIPE prefixes after maximum aggregation: 117636 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249276 Unique aggregates announced from the RIPE address blocks: 152904 RIPE Region origin ASes present in the Internet Routing Table: 28156 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12067 RIPE Region transit ASes present in the Internet Routing Table: 4023 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10769 Number of RIPE addresses announced to Internet: 717667328 Equivalent to 42 /8s, 198 /16s and 188 /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: 115926 Total LACNIC prefixes after maximum aggregation: 27559 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115618 Unique aggregates announced from the LACNIC address blocks: 48820 LACNIC Region origin ASes present in the Internet Routing Table: 10956 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2241 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: 176099072 Equivalent to 10 /8s, 127 /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: 27885 Total AfriNIC prefixes after maximum aggregation: 5566 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 35969 Unique aggregates announced from the AfriNIC address blocks: 11866 AfriNIC Region origin ASes present in the Internet Routing Table: 1663 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 581 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 34 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 989 Number of AfriNIC addresses announced to Internet: 107769088 Equivalent to 6 /8s, 108 /16s and 109 /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 9017 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5929 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3509 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2257 11123 596 KIXS-AS-KR Korea Telecom, KR 24560 2153 850 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 TATACOMM-AS TATA Communications formerl 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 6781 10392 2705 AMAZON-02, US 11492 4642 307 476 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3837 3069 360 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3462 1784 2501 AKAMAI-AS, US 6327 3444 1319 66 SHAW, CA 749 3021 50731 2279 DNIC-AS-00749, US 30036 2606 373 262 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2370 4936 407 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 6870 1730 144 UNI2-AS, ES 20940 4042 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3996 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2592 255 1340 M247, GB 34984 2247 358 636 TELLCOM-AS, TR 58224 1778 933 554 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 10809 3398 562 Uninet S.A. de C.V., MX 10620 3483 515 780 Telmex Colombia S.A., CO 11830 2411 369 64 Instituto Costarricense de Electricidad 13999 1944 318 517 Mega Cable, S.A. de C.V., MX 28573 1365 2330 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1269 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1100 370 21 Telefonica del Peru S.A.A., PE 11664 1048 180 455 Techtel LMDS Comunicaciones Interactiva 26615 981 2466 43 TIM SA, 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 24835 1517 495 28 RAYA-AS, EG 24863 1504 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 970 66 51 ORANGE-COTE-IVOIRE, CI 36935 638 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 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 10809 3398 562 Uninet S.A. de C.V., MX 9808 9017 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6870 1730 144 UNI2-AS, ES 16509 6781 10392 2705 AMAZON-02, US 7545 5929 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4642 307 476 CABLEONE, US 20940 4042 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3996 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 265 32 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 9017 8970 CHINAMOBILE-CN China Mobile Communications Grou 12479 6870 6726 UNI2-AS, ES 7545 5929 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4642 4166 CABLEONE, US 16509 6781 4076 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3996 3957 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4042 3848 AKAMAI-ASN1, NL 7552 3592 3573 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:39 /11:101 /12:303 /13:592 /14:1203 /15:2097 /16:13490 /17:8243 /18:13792 /19:24725 /20:43039 /21:50800 /22:107445 /23:95305 /24:528616 /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 5858 6870 UNI2-AS, ES 8151 4533 10809 Uninet S.A. de C.V., MX 11492 3546 4642 CABLEONE, US 8551 3459 3996 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3255 3444 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2850 3837 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2264 2606 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1947 2:1021 3:157 4:5 5:3831 6:111 7:6 8:1544 9:1 11:172 12:1634 13:335 14:2347 15:241 16:44 17:383 18:180 20:242 21:4 22:188 23:5844 24:2405 25:6 27:2613 29:19 31:2419 32:92 34:7 35:87 36:1841 37:4444 38:3342 39:720 40:152 41:3878 42:1121 43:2185 44:287 45:16025 46:4127 47:302 49:1697 50:1945 51:232 52:1449 54:384 55:843 56:8 57:59 58:1735 59:1110 60:966 61:2288 62:2536 63:1928 64:5570 65:2385 66:4835 67:2979 68:1192 69:4138 70:1313 71:679 72:3027 74:2628 75:1399 76:576 77:2241 78:1877 79:3131 80:2014 81:1643 82:1493 83:1210 84:1350 85:2951 86:736 87:1895 88:1178 89:3384 90:546 91:7609 92:2030 93:2555 94:3504 95:3869 96:1336 97:349 98:1028 99:754 100:77 101:1292 102:2214 103:29483 104:4528 105:466 106:879 107:2540 108:858 109:4319 110:2013 111:3275 112:2033 113:1459 114:1474 115:1968 116:1882 117:2421 118:2299 119:1866 120:1756 121:1023 122:2521 123:2066 124:1545 125:2039 128:1180 129:1040 130:969 131:2049 132:797 133:378 134:1935 135:298 136:889 137:869 138:2502 139:1490 140:930 141:1441 142:1320 143:1396 144:1207 145:346 146:1825 147:1501 148:2203 149:1758 150:859 151:1068 152:1862 153:465 154:3678 155:1448 156:1699 157:1276 158:1039 159:2221 160:2497 161:1305 162:3477 163:1333 164:1633 165:1649 166:758 167:1789 168:3794 169:879 170:4533 171:837 172:3298 173:3118 174:1046 175:1152 176:3600 177:4736 178:3531 179:2200 180:2374 181:3213 182:3192 183:1935 184:2384 185:19593 186:4508 187:3813 188:3987 189:3392 190:8956 191:1448 192:10956 193:8668 194:7065 195:5031 196:3024 197:2412 198:5951 199:6025 200:7516 201:5841 202:10137 203:10019 204:4502 205:3448 206:3682 207:3386 208:4028 209:4676 210:4165 211:2299 212:4020 213:3468 214:1139 215:65 216:6378 217:2640 218:1263 219:408 220:1740 221:959 222:654 223:1964 End of report