IPv4 R&E Routing Table Report 23:05 GMT Wed 04 May, 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: 881480 Prefixes after maximum aggregation (per Origin AS): 334928 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 430267 Number of IPv4 prefixes with a valid ROA: 319652 Number of IPv4 prefixes with an invalid ROA: 1104 Number of IPv4 prefixes with no ROA: 560724 Total ASes present in the Internet Routing Table: 72913 Prefixes per ASN: 12.09 Origin-only ASes present in the Internet Routing Table: 62599 Origin ASes announcing only one prefix: 25715 Transit ASes present in the Internet Routing Table: 10314 Transit-only ASes present in the Internet Routing Table: 372 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 851 Number of instances of unregistered ASNs: 856 Number of 32-bit ASNs allocated by the RIRs: 39281 Number of 32-bit ASNs visible in the Routing Table: 32567 Prefixes from 32-bit ASNs in the Routing Table: 153358 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: 482 Number of addresses announced to Internet: 3066564864 Equivalent to 182 /8s, 200 /16s and 17 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 296329 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228922 Total APNIC prefixes after maximum aggregation: 66012 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 223837 Unique aggregates announced from the APNIC address blocks: 94741 APNIC Region origin ASes present in the Internet Routing Table: 12521 APNIC Prefixes per ASN: 17.88 APNIC Region origin ASes announcing only one prefix: 3543 APNIC Region transit ASes present in the Internet Routing Table: 1715 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: 7787 Number of APNIC addresses announced to Internet: 773395456 Equivalent to 46 /8s, 25 /16s and 20 /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: 260078 Total ARIN prefixes after maximum aggregation: 119413 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260281 Unique aggregates announced from the ARIN address blocks: 124735 ARIN Region origin ASes present in the Internet Routing Table: 18950 ARIN Prefixes per ASN: 13.74 ARIN Region origin ASes announcing only one prefix: 6907 ARIN Region transit ASes present in the Internet Routing Table: 1873 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: 4466 Number of ARIN addresses announced to Internet: 1295444736 Equivalent to 77 /8s, 54 /16s and 235 /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: 249203 Total RIPE prefixes after maximum aggregation: 116043 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246521 Unique aggregates announced from the RIPE address blocks: 150330 RIPE Region origin ASes present in the Internet Routing Table: 28127 RIPE Prefixes per ASN: 8.76 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 4002 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10707 Number of RIPE addresses announced to Internet: 713765632 Equivalent to 42 /8s, 139 /16s and 51 /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: 114573 Total LACNIC prefixes after maximum aggregation: 27371 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114429 Unique aggregates announced from the LACNIC address blocks: 48507 LACNIC Region origin ASes present in the Internet Routing Table: 10955 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2215 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8653 Number of LACNIC addresses announced to Internet: 176360192 Equivalent to 10 /8s, 131 /16s and 11 /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: 27853 Total AfriNIC prefixes after maximum aggregation: 5431 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 35930 Unique aggregates announced from the AfriNIC address blocks: 11536 AfriNIC Region origin ASes present in the Internet Routing Table: 1622 AfriNIC Prefixes per ASN: 22.15 AfriNIC Region origin ASes announcing only one prefix: 560 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: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 954 Number of AfriNIC addresses announced to Internet: 107325952 Equivalent to 6 /8s, 101 /16s and 170 /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 9138 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5920 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3431 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2402 499 240 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2117 438 201 TATACOMM-AS TATA Communications formerl 24560 2052 854 379 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 6282 10275 2726 AMAZON-02, US 11492 4475 297 693 CABLEONE, US 22773 3930 3072 356 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3583 1832 2531 AKAMAI-AS, US 6327 3432 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2619 373 140 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2521 4962 423 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 492 CHARTER-20115, 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 6786 1730 150 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3925 3360 192 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2907 355 21 UKRTELNET, UA 12389 2897 2273 908 ROSTELECOM-AS, RU 9009 2489 249 1294 M247, GB 34984 2237 357 632 TELLCOM-AS, TR 58224 1809 930 612 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 10625 3388 563 Uninet S.A. de C.V., MX 10620 3475 519 738 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1773 297 476 Mega Cable, S.A. de C.V., MX 6503 1451 355 525 Axtel, S.A.B. de C.V., MX 28573 1389 2333 253 CLARO S.A., BR 3816 1255 669 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 21 Telefonica del Peru S.A.A., PE 11664 1017 191 442 Techtel LMDS Comunicaciones Interactiva 11172 961 133 63 Alestra, S. de R.L. de C.V., MX 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 1653 393 21 LINKdotNET-AS, EG 24835 1442 501 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 914 65 59 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 467 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 10625 3388 563 Uninet S.A. de C.V., MX 9808 9138 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6786 1730 150 UNI2-AS, ES 16509 6282 10275 2726 AMAZON-02, US 7545 5920 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4475 297 693 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3930 3072 356 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3925 3360 192 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 9138 9097 CHINAMOBILE-CN China Mobile Communications Grou 12479 6786 6636 UNI2-AS, ES 7545 5920 5224 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4475 3782 CABLEONE, US 20940 3925 3733 AKAMAI-ASN1, NL 22773 3930 3574 ASN-CXA-ALL-CCI-22773-RDC, US 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 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 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 /10:40 /11:100 /12:303 /13:590 /14:1203 /15:2099 /16:13526 /17:8239 /18:13767 /19:24837 /20:42433 /21:50836 /22:106959 /23:94459 /24:522052 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:2 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5767 6786 UNI2-AS, ES 8151 4288 10625 Uninet S.A. de C.V., MX 8551 3476 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3381 4475 CABLEONE, US 6327 3245 3432 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2936 3930 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2275 2619 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1925 2:1035 3:154 4:7 5:3783 6:104 7:5 8:1525 9:1 11:172 12:1708 13:297 14:2374 15:196 16:45 17:386 18:159 20:191 21:4 22:188 23:5633 24:2282 25:6 27:2599 29:19 31:2420 32:93 34:1 35:73 36:1776 37:4420 38:2791 39:700 40:153 41:3966 42:1089 43:2176 44:293 45:15927 46:4113 47:310 49:1676 50:2158 51:100 52:1418 54:365 55:737 56:8 57:60 58:1696 59:1116 60:959 61:2249 62:2499 63:1948 64:5492 65:2318 66:4811 67:2970 68:1191 69:4138 70:1336 71:643 72:3047 74:2641 75:1390 76:583 77:2185 78:1852 79:3109 80:1983 81:1593 82:1492 83:1202 84:1351 85:2911 86:711 87:1962 88:1102 89:3278 90:521 91:7610 92:1992 93:2574 94:3493 95:3849 96:1306 97:349 98:985 99:736 100:75 101:1273 102:2069 103:28913 104:4363 105:462 106:872 107:2536 108:824 109:4208 110:2016 111:3236 112:2026 113:1475 114:1480 115:1970 116:1878 117:2514 118:2331 119:1857 120:1662 121:1016 122:2545 123:2095 124:1531 125:2054 128:1176 129:1151 130:955 131:2034 132:791 133:372 134:1899 135:289 136:880 137:844 138:2436 139:1499 140:853 141:1400 142:1290 143:1445 144:1201 145:343 146:1800 147:1465 148:2220 149:1723 150:844 151:1076 152:1845 153:459 154:3538 155:1425 156:1754 157:1229 158:1037 159:2127 160:2476 161:1262 162:3453 163:1258 164:1628 165:1612 166:700 167:1726 168:3771 169:838 170:4504 171:828 172:3142 173:3080 174:1023 175:1134 176:3513 177:4645 178:3495 179:2016 180:2317 181:2950 182:3207 183:1953 184:2384 185:19427 186:4338 187:3698 188:3852 189:3202 190:8846 191:1329 192:10975 193:8598 194:6979 195:4946 196:2981 197:2409 198:5969 199:6029 200:7399 201:5707 202:10088 203:9997 204:4556 205:3422 206:3695 207:3345 208:4029 209:4638 210:4056 211:2341 212:4001 213:3415 214:1157 215:67 216:6423 217:2668 218:1249 219:405 220:1672 221:977 222:670 223:2107 End of report