IPv4 R&E Routing Table Report 23:05 GMT Sun 15 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: 881742 Prefixes after maximum aggregation (per Origin AS): 335484 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 431970 Number of IPv4 prefixes with a valid ROA: 324119 Number of IPv4 prefixes with an invalid ROA: 1083 Number of IPv4 prefixes with no ROA: 556540 Total ASes present in the Internet Routing Table: 72978 Prefixes per ASN: 12.08 Origin-only ASes present in the Internet Routing Table: 62694 Origin ASes announcing only one prefix: 25768 Transit ASes present in the Internet Routing Table: 10284 Transit-only ASes present in the Internet Routing Table: 374 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: 888 Number of instances of unregistered ASNs: 892 Number of 32-bit ASNs allocated by the RIRs: 39391 Number of 32-bit ASNs visible in the Routing Table: 32625 Prefixes from 32-bit ASNs in the Routing Table: 153448 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3068675584 Equivalent to 182 /8s, 232 /16s and 70 /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: 296520 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228600 Total APNIC prefixes after maximum aggregation: 66040 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223791 Unique aggregates announced from the APNIC address blocks: 94759 APNIC Region origin ASes present in the Internet Routing Table: 12555 APNIC Prefixes per ASN: 17.82 APNIC Region origin ASes announcing only one prefix: 3584 APNIC Region transit ASes present in the Internet Routing Table: 1719 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: 7822 Number of APNIC addresses announced to Internet: 775461376 Equivalent to 46 /8s, 56 /16s and 154 /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: 260404 Total ARIN prefixes after maximum aggregation: 119745 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 260383 Unique aggregates announced from the ARIN address blocks: 125954 ARIN Region origin ASes present in the Internet Routing Table: 18964 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6921 ARIN Region transit ASes present in the Internet Routing Table: 1865 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: 4477 Number of ARIN addresses announced to Internet: 1295331840 Equivalent to 77 /8s, 53 /16s and 50 /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: 249598 Total RIPE prefixes after maximum aggregation: 116198 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246890 Unique aggregates announced from the RIPE address blocks: 150573 RIPE Region origin ASes present in the Internet Routing Table: 28135 RIPE Prefixes per ASN: 8.78 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3990 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: 10711 Number of RIPE addresses announced to Internet: 713827072 Equivalent to 42 /8s, 140 /16s and 35 /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: 114443 Total LACNIC prefixes after maximum aggregation: 27368 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114293 Unique aggregates announced from the LACNIC address blocks: 48576 LACNIC Region origin ASes present in the Internet Routing Table: 10952 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2207 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: 8655 Number of LACNIC addresses announced to Internet: 176404992 Equivalent to 10 /8s, 131 /16s and 186 /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: 27809 Total AfriNIC prefixes after maximum aggregation: 5460 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35863 Unique aggregates announced from the AfriNIC address blocks: 11661 AfriNIC Region origin ASes present in the Internet Routing Table: 1631 AfriNIC Prefixes per ASN: 21.99 AfriNIC Region origin ASes announcing only one prefix: 562 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 960 Number of AfriNIC addresses announced to Internet: 107353856 Equivalent to 6 /8s, 102 /16s and 23 /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 9139 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3584 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3496 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2408 499 240 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 438 203 TATACOMM-AS TATA Communications formerl 24560 2044 853 380 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 6392 10351 2767 AMAZON-02, US 11492 4494 298 692 CABLEONE, US 22773 3914 3062 347 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3601 1836 2544 AKAMAI-AS, US 6327 3421 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2628 374 124 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2460 4961 421 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 6799 1730 150 UNI2-AS, ES 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3942 3360 192 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2907 355 21 UKRTELNET, UA 12389 2897 2273 907 ROSTELECOM-AS, RU 9009 2481 247 1287 M247, GB 34984 2238 357 631 TELLCOM-AS, TR 58224 1813 931 611 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 10602 3397 562 Uninet S.A. de C.V., MX 10620 3471 518 747 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1801 299 471 Mega Cable, S.A. de C.V., MX 6503 1455 355 528 Axtel, S.A.B. de C.V., MX 28573 1390 2333 253 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1017 191 441 Techtel LMDS Comunicaciones Interactiva 11172 957 133 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 1654 393 21 LINKdotNET-AS, EG 24835 1442 501 30 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 947 65 59 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 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 10602 3397 562 Uninet S.A. de C.V., MX 9808 9139 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6799 1730 150 UNI2-AS, ES 16509 6392 10351 2767 AMAZON-02, US 7545 5922 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4494 298 692 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3942 3360 192 AKAMAI-ASN1, NL 22773 3914 3062 347 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 9139 9098 CHINAMOBILE-CN China Mobile Communications Grou 12479 6799 6649 UNI2-AS, ES 7545 5922 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4494 3802 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3942 3750 AKAMAI-ASN1, NL 16509 6392 3625 AMAZON-02, US 22773 3914 3567 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 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 2914 NTT-LTD-2914, US 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 /11:101 /12:303 /13:589 /14:1204 /15:2097 /16:13513 /17:8245 /18:13771 /19:24847 /20:42514 /21:50763 /22:106944 /23:94435 /24:522341 /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 5778 6799 UNI2-AS, ES 8151 4318 10602 Uninet S.A. de C.V., MX 8551 3474 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3400 4494 CABLEONE, US 6327 3234 3421 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2925 3914 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2284 2628 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1923 2:1034 3:154 4:6 5:3784 6:104 7:5 8:1526 9:1 11:172 12:1713 13:295 14:2374 15:201 16:44 17:386 18:161 20:212 21:4 22:188 23:5654 24:2274 25:6 27:2595 29:19 31:2414 32:93 34:2 35:76 36:1780 37:4406 38:2817 39:693 40:153 41:3967 42:1091 43:2167 44:290 45:15982 46:4121 47:295 49:1682 50:2151 51:100 52:1426 54:366 55:738 56:8 57:60 58:1700 59:1118 60:960 61:2247 62:2536 63:1942 64:5481 65:2311 66:4832 67:2969 68:1194 69:4138 70:1326 71:673 72:3039 74:2645 75:1388 76:584 77:2176 78:1852 79:3115 80:1992 81:1589 82:1491 83:1204 84:1351 85:2917 86:714 87:1961 88:1107 89:3281 90:520 91:7614 92:1997 93:2582 94:3486 95:3851 96:1305 97:349 98:996 99:737 100:75 101:1271 102:2088 103:28914 104:4378 105:462 106:871 107:2508 108:822 109:4231 110:2007 111:3240 112:2022 113:1478 114:1478 115:1970 116:1879 117:2510 118:2342 119:1853 120:1665 121:1017 122:2544 123:2089 124:1537 125:2059 128:1181 129:1098 130:959 131:2051 132:791 133:372 134:1891 135:289 136:879 137:848 138:2430 139:1506 140:857 141:1400 142:1270 143:1439 144:1202 145:343 146:1797 147:1480 148:2220 149:1708 150:845 151:1083 152:1845 153:459 154:3461 155:1420 156:1754 157:1232 158:1042 159:2175 160:2515 161:1273 162:3459 163:1260 164:1625 165:1611 166:706 167:1720 168:3756 169:832 170:4471 171:828 172:3172 173:3110 174:1025 175:1132 176:3509 177:4602 178:3522 179:2013 180:2313 181:2965 182:3187 183:1951 184:2382 185:19490 186:4313 187:3722 188:3857 189:3245 190:8842 191:1319 192:10991 193:8608 194:6993 195:4960 196:2968 197:2425 198:5949 199:6027 200:7416 201:5708 202:10089 203:9968 204:4546 205:3431 206:3687 207:3334 208:4029 209:4637 210:4084 211:2345 212:3990 213:3422 214:1154 215:67 216:6430 217:2668 218:1246 219:405 220:1670 221:968 222:670 223:2109 End of report