IPv4 R&E Routing Table Report 23:05 GMT Mon 01 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: 889738 Prefixes after maximum aggregation (per Origin AS): 338379 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437440 Number of IPv4 prefixes with a valid ROA: 342669 Number of IPv4 prefixes with an invalid ROA: 1344 Number of IPv4 prefixes with no ROA: 545725 Total ASes present in the Internet Routing Table: 73277 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62903 Origin ASes announcing only one prefix: 25940 Transit ASes present in the Internet Routing Table: 10374 Transit-only ASes present in the Internet Routing Table: 402 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 949 Number of instances of unregistered ASNs: 950 Number of 32-bit ASNs allocated by the RIRs: 39906 Number of 32-bit ASNs visible in the Routing Table: 33051 Prefixes from 32-bit ASNs in the Routing Table: 157301 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 495 Number of addresses announced to Internet: 3070609152 Equivalent to 183 /8s, 5 /16s and 199 /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: 299349 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229864 Total APNIC prefixes after maximum aggregation: 66582 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224895 Unique aggregates announced from the APNIC address blocks: 96252 APNIC Region origin ASes present in the Internet Routing Table: 12754 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3703 APNIC Region transit ASes present in the Internet Routing Table: 1736 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: 8041 Number of APNIC addresses announced to Internet: 772673536 Equivalent to 46 /8s, 14 /16s and 16 /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: 262910 Total ARIN prefixes after maximum aggregation: 120443 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263212 Unique aggregates announced from the ARIN address blocks: 127271 ARIN Region origin ASes present in the Internet Routing Table: 18967 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6919 ARIN Region transit ASes present in the Internet Routing Table: 1853 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: 4550 Number of ARIN addresses announced to Internet: 1295791360 Equivalent to 77 /8s, 60 /16s and 53 /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: 251893 Total RIPE prefixes after maximum aggregation: 117508 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249205 Unique aggregates announced from the RIPE address blocks: 152793 RIPE Region origin ASes present in the Internet Routing Table: 28146 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 4021 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: 10772 Number of RIPE addresses announced to Internet: 717768704 Equivalent to 42 /8s, 200 /16s and 72 /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: 115944 Total LACNIC prefixes after maximum aggregation: 27566 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115644 Unique aggregates announced from the LACNIC address blocks: 48827 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2249 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: 8698 Number of LACNIC addresses announced to Internet: 176321792 Equivalent to 10 /8s, 130 /16s and 117 /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: 28178 Total AfriNIC prefixes after maximum aggregation: 5558 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36287 Unique aggregates announced from the AfriNIC address blocks: 11879 AfriNIC Region origin ASes present in the Internet Routing Table: 1663 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 582 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 990 Number of AfriNIC addresses announced to Internet: 107770368 Equivalent to 6 /8s, 108 /16s and 114 /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 5926 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3590 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3510 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 73 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 2152 851 401 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 6737 10382 2702 AMAZON-02, US 11492 4556 302 614 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3822 3066 348 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3462 1782 2504 AKAMAI-AS, US 6327 3448 1319 64 SHAW, CA 749 3022 50731 2280 DNIC-AS-00749, US 30036 2601 371 286 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2373 4936 410 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 6885 1730 144 UNI2-AS, ES 20940 4036 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3994 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2582 254 1332 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 58224 1775 930 558 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 10799 3397 560 Uninet S.A. de C.V., MX 10620 3480 515 782 Telmex Colombia S.A., CO 11830 2409 369 64 Instituto Costarricense de Electricidad 13999 1921 315 512 Mega Cable, S.A. de C.V., MX 28573 1366 2331 269 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 1091 370 21 Telefonica del Peru S.A.A., PE 11664 1025 180 460 Techtel LMDS Comunicaciones Interactiva 26615 980 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 24863 1607 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1326 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 971 66 45 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 52 38 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 10799 3397 560 Uninet S.A. de C.V., MX 9808 9017 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6885 1730 144 UNI2-AS, ES 16509 6737 10382 2702 AMAZON-02, US 7545 5926 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4556 302 614 CABLEONE, US 20940 4036 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3994 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 6885 6741 UNI2-AS, ES 7545 5926 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6737 4035 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3994 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4556 3942 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4036 3842 AKAMAI-ASN1, NL 7552 3590 3571 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 /11:100 /12:303 /13:590 /14:1202 /15:2099 /16:13502 /17:8245 /18:13796 /19:24732 /20:43029 /21:50787 /22:107563 /23:95377 /24:528339 /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 5871 6885 UNI2-AS, ES 8151 4524 10799 Uninet S.A. de C.V., MX 11492 3460 4556 CABLEONE, US 8551 3457 3994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3258 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2844 3822 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2260 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1946 2:1021 3:157 4:5 5:3844 6:111 7:6 8:1541 9:1 11:172 12:1641 13:339 14:2348 15:235 16:44 17:388 18:174 20:242 21:4 22:188 23:5828 24:2368 25:6 27:2616 29:19 31:2419 32:92 34:7 35:87 36:1839 37:4428 38:3346 39:719 40:152 41:3905 42:1125 43:2188 44:288 45:16045 46:4143 47:300 49:1688 50:1947 51:236 52:1450 54:384 55:853 56:8 57:59 58:1736 59:1105 60:964 61:2290 62:2532 63:1924 64:5576 65:2382 66:4829 67:2962 68:1191 69:4178 70:1313 71:680 72:3031 74:2632 75:1399 76:576 77:2245 78:1875 79:3130 80:2013 81:1646 82:1493 83:1208 84:1350 85:2955 86:735 87:1904 88:1173 89:3381 90:546 91:7622 92:2025 93:2561 94:3498 95:3854 96:1331 97:351 98:1027 99:754 100:77 101:1284 102:2208 103:29475 104:4533 105:468 106:877 107:2547 108:858 109:4331 110:1998 111:3276 112:2034 113:1473 114:1478 115:1968 116:1884 117:2421 118:2297 119:1853 120:1737 121:1024 122:2522 123:2077 124:1541 125:2041 128:1175 129:1045 130:968 131:2041 132:799 133:378 134:1932 135:299 136:892 137:861 138:2507 139:1488 140:928 141:1446 142:1321 143:1393 144:1207 145:345 146:1823 147:1505 148:2206 149:1749 150:862 151:1069 152:1862 153:460 154:3695 155:1450 156:1699 157:1276 158:1035 159:2219 160:2499 161:1311 162:3487 163:1308 164:1639 165:1643 166:760 167:1767 168:3803 169:879 170:4535 171:837 172:3294 173:3109 174:1047 175:1153 176:3608 177:4755 178:3533 179:2196 180:2372 181:3224 182:3195 183:1935 184:2355 185:19573 186:4446 187:3817 188:3987 189:3382 190:8956 191:1449 192:10969 193:8650 194:7065 195:5003 196:3022 197:2430 198:5956 199:6024 200:7510 201:5824 202:10120 203:10012 204:4499 205:3442 206:3686 207:3337 208:4014 209:4671 210:4164 211:2300 212:4001 213:3465 214:1134 215:65 216:6367 217:2627 218:1262 219:408 220:1738 221:959 222:655 223:1960 End of report