IPv4 R&E Routing Table Report 23:05 GMT Wed 01 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: 883415 Prefixes after maximum aggregation (per Origin AS): 335976 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433129 Number of IPv4 prefixes with a valid ROA: 327853 Number of IPv4 prefixes with an invalid ROA: 1450 Number of IPv4 prefixes with no ROA: 554112 Total ASes present in the Internet Routing Table: 73007 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62684 Origin ASes announcing only one prefix: 25741 Transit ASes present in the Internet Routing Table: 10323 Transit-only ASes present in the Internet Routing Table: 380 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 55 Max AS path prepend of ASN ( 28590) 51 Prefixes from unregistered ASNs in the Routing Table: 886 Number of instances of unregistered ASNs: 890 Number of 32-bit ASNs allocated by the RIRs: 39504 Number of 32-bit ASNs visible in the Routing Table: 32718 Prefixes from 32-bit ASNs in the Routing Table: 154242 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: 503 Number of addresses announced to Internet: 3064628736 Equivalent to 182 /8s, 170 /16s and 134 /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: 297325 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228722 Total APNIC prefixes after maximum aggregation: 66098 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223908 Unique aggregates announced from the APNIC address blocks: 94996 APNIC Region origin ASes present in the Internet Routing Table: 12601 APNIC Prefixes per ASN: 17.77 APNIC Region origin ASes announcing only one prefix: 3612 APNIC Region transit ASes present in the Internet Routing Table: 1735 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: 7875 Number of APNIC addresses announced to Internet: 773155072 Equivalent to 46 /8s, 21 /16s and 105 /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: 261026 Total ARIN prefixes after maximum aggregation: 119929 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260876 Unique aggregates announced from the ARIN address blocks: 126153 ARIN Region origin ASes present in the Internet Routing Table: 18959 ARIN Prefixes per ASN: 13.76 ARIN Region origin ASes announcing only one prefix: 6912 ARIN Region transit ASes present in the Internet Routing Table: 1869 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: 4485 Number of ARIN addresses announced to Internet: 1293142528 Equivalent to 77 /8s, 19 /16s and 202 /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: 250008 Total RIPE prefixes after maximum aggregation: 116437 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247499 Unique aggregates announced from the RIPE address blocks: 151121 RIPE Region origin ASes present in the Internet Routing Table: 28091 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 11993 RIPE Region transit ASes present in the Internet Routing Table: 4002 Average RIPE Region AS path length visible: 4.4 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: 713979904 Equivalent to 42 /8s, 142 /16s and 120 /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: 114714 Total LACNIC prefixes after maximum aggregation: 27381 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114532 Unique aggregates announced from the LACNIC address blocks: 48643 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2649 LACNIC Region transit ASes present in the Internet Routing Table: 2216 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8674 Number of LACNIC addresses announced to Internet: 176378624 Equivalent to 10 /8s, 131 /16s and 83 /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: 28059 Total AfriNIC prefixes after maximum aggregation: 5471 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36097 Unique aggregates announced from the AfriNIC address blocks: 11802 AfriNIC Region origin ASes present in the Internet Routing Table: 1649 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 575 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 977 Number of AfriNIC addresses announced to Internet: 107685632 Equivalent to 6 /8s, 107 /16s and 39 /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 9200 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5931 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3570 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 214 TATACOMM-AS TATA Communications formerl 24560 2056 853 384 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 6499 10360 2811 AMAZON-02, US 11492 4516 299 658 CABLEONE, US 22773 3913 3070 362 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3526 1815 2523 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2866 50793 2124 DNIC-AS-00749, US 30036 2620 373 180 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2440 4961 418 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 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 6820 1730 150 UNI2-AS, ES 8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 193 AKAMAI-ASN1, NL 39891 3833 224 42 ALJAWWALSTC-AS, SA 12389 2896 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2474 246 1279 M247, GB 34984 2242 357 631 TELLCOM-AS, TR 58224 1845 938 616 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 10658 3400 556 Uninet S.A. de C.V., MX 10620 3484 519 735 Telmex Colombia S.A., CO 11830 2434 369 63 Instituto Costarricense de Electricidad 13999 1839 303 474 Mega Cable, S.A. de C.V., MX 6503 1447 355 527 Axtel, S.A.B. de C.V., MX 28573 1370 2334 256 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 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 1658 393 21 LINKdotNET-AS, EG 24835 1472 519 32 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 513 51 34 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 10658 3400 556 Uninet S.A. de C.V., MX 9808 9200 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6820 1730 150 UNI2-AS, ES 16509 6499 10360 2811 AMAZON-02, US 7545 5931 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4516 299 658 CABLEONE, US 8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 193 AKAMAI-ASN1, NL 22773 3913 3070 362 ASN-CXA-ALL-CCI-22773-RDC, US 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 9200 9165 CHINAMOBILE-CN China Mobile Communications Grou 12479 6820 6670 UNI2-AS, ES 7545 5931 5237 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3992 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4516 3858 CABLEONE, US 39891 3833 3791 ALJAWWALSTC-AS, SA 20940 3963 3770 AKAMAI-ASN1, NL 16509 6499 3688 AMAZON-02, US 22773 3913 3551 ASN-CXA-ALL-CCI-22773-RDC, US 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 17033 UNALLOCATED 8.48.225.0/24 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 23.185.16.0/24 Origin: 399244 BLOOM-HOST, US 23.185.16.0/24 Transit: 13335 CLOUDFLARENET, US 23.185.17.0/24 Origin: 399244 BLOOM-HOST, US 23.185.17.0/24 Transit: 13335 CLOUDFLARENET, 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 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 /11:99 /12:301 /13:587 /14:1199 /15:2088 /16:13484 /17:8230 /18:13733 /19:24781 /20:42638 /21:50721 /22:107071 /23:94688 /24:523720 /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 5794 6820 UNI2-AS, ES 8151 4383 10658 Uninet S.A. de C.V., MX 8551 3458 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4516 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3145 3833 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2916 3913 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2278 2620 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1918 2:1017 3:156 4:6 5:3796 6:104 7:5 8:1528 9:1 11:172 12:1681 13:294 14:2373 15:201 16:41 17:383 18:162 20:213 21:4 22:188 23:5648 24:2311 25:6 27:2607 29:19 31:2444 32:92 34:4 35:82 36:1800 37:4455 38:2908 39:707 40:152 41:3973 42:1115 43:2173 44:290 45:16046 46:4140 47:297 49:1666 50:2166 51:108 52:1434 54:373 55:726 56:8 57:59 58:1687 59:1108 60:956 61:2254 62:2528 63:1937 64:5513 65:2327 66:4827 67:2972 68:1191 69:4165 70:1330 71:683 72:3057 74:2638 75:1392 76:571 77:2181 78:1847 79:3114 80:1997 81:1607 82:1492 83:1201 84:1338 85:2929 86:713 87:1965 88:1125 89:3305 90:531 91:7595 92:2014 93:2572 94:3488 95:3882 96:1310 97:349 98:998 99:736 100:77 101:1273 102:2109 103:29078 104:4423 105:458 106:869 107:2527 108:833 109:4266 110:1994 111:3259 112:2033 113:1470 114:1477 115:1963 116:1893 117:2506 118:2327 119:1853 120:1668 121:1020 122:2511 123:2084 124:1528 125:2058 128:1193 129:1081 130:968 131:2045 132:796 133:378 134:1897 135:291 136:882 137:858 138:2428 139:1509 140:860 141:1413 142:1286 143:1441 144:1204 145:347 146:1803 147:1464 148:2216 149:1728 150:845 151:1073 152:1842 153:460 154:3533 155:1426 156:1723 157:1234 158:1047 159:2207 160:2531 161:1278 162:3458 163:1274 164:1627 165:1619 166:719 167:1735 168:3754 169:844 170:4453 171:830 172:3198 173:3107 174:1015 175:1133 176:3590 177:4664 178:3545 179:2053 180:2324 181:2970 182:3201 183:1952 184:2372 185:19514 186:4243 187:3813 188:3881 189:3299 190:8851 191:1297 192:10987 193:8608 194:7005 195:4918 196:2993 197:2385 198:5940 199:6019 200:7483 201:5709 202:10096 203:9990 204:4542 205:3421 206:3685 207:3333 208:4001 209:4648 210:4125 211:2341 212:4005 213:3390 214:1149 215:67 216:6458 217:2671 218:1269 219:407 220:1675 221:967 222:652 223:2125 End of report