IPv4 R&E Routing Table Report 23:05 GMT Wed 08 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: 883932 Prefixes after maximum aggregation (per Origin AS): 336271 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433656 Number of IPv4 prefixes with a valid ROA: 329159 Number of IPv4 prefixes with an invalid ROA: 1132 Number of IPv4 prefixes with no ROA: 553641 Total ASes present in the Internet Routing Table: 73025 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62719 Origin ASes announcing only one prefix: 25771 Transit ASes present in the Internet Routing Table: 10306 Transit-only ASes present in the Internet Routing Table: 377 Paths with bogon ASNs present in the IPv4 Routing Table: 40 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 55 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 904 Number of instances of unregistered ASNs: 908 Number of 32-bit ASNs allocated by the RIRs: 39554 Number of 32-bit ASNs visible in the Routing Table: 32743 Prefixes from 32-bit ASNs in the Routing Table: 154099 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: 496 Number of addresses announced to Internet: 3063970816 Equivalent to 182 /8s, 160 /16s and 124 /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: 297431 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228558 Total APNIC prefixes after maximum aggregation: 66130 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223971 Unique aggregates announced from the APNIC address blocks: 95228 APNIC Region origin ASes present in the Internet Routing Table: 12608 APNIC Prefixes per ASN: 17.76 APNIC Region origin ASes announcing only one prefix: 3601 APNIC Region transit ASes present in the Internet Routing Table: 1732 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: 7889 Number of APNIC addresses announced to Internet: 773049856 Equivalent to 46 /8s, 19 /16s and 206 /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: 261683 Total ARIN prefixes after maximum aggregation: 120071 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261591 Unique aggregates announced from the ARIN address blocks: 126638 ARIN Region origin ASes present in the Internet Routing Table: 18954 ARIN Prefixes per ASN: 13.80 ARIN Region origin ASes announcing only one prefix: 6908 ARIN Region transit ASes present in the Internet Routing Table: 1861 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: 4499 Number of ARIN addresses announced to Internet: 1293160448 Equivalent to 77 /8s, 20 /16s and 16 /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: 250100 Total RIPE prefixes after maximum aggregation: 116505 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247547 Unique aggregates announced from the RIPE address blocks: 151137 RIPE Region origin ASes present in the Internet Routing Table: 28099 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12015 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: 10701 Number of RIPE addresses announced to Internet: 713549568 Equivalent to 42 /8s, 135 /16s and 231 /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: 114830 Total LACNIC prefixes after maximum aggregation: 27412 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114605 Unique aggregates announced from the LACNIC address blocks: 48679 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.44 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2228 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8684 Number of LACNIC addresses announced to Internet: 176228608 Equivalent to 10 /8s, 129 /16s and 9 /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: 27857 Total AfriNIC prefixes after maximum aggregation: 5460 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35722 Unique aggregates announced from the AfriNIC address blocks: 11557 AfriNIC Region origin ASes present in the Internet Routing Table: 1642 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 567 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 970 Number of AfriNIC addresses announced to Internet: 107692032 Equivalent to 6 /8s, 107 /16s and 64 /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 9210 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5918 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3578 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3491 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2372 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 425 216 TATACOMM-AS TATA Communications formerl 24560 2065 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 6610 10368 2703 AMAZON-02, US 11492 4525 300 650 CABLEONE, US 22773 3911 3070 363 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3460 1803 2516 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2963 50742 2219 DNIC-AS-00749, US 30036 2618 374 201 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2436 4961 417 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3053 490 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 6821 1730 150 UNI2-AS, ES 8551 3997 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3965 3360 193 AKAMAI-ASN1, NL 39891 3873 226 43 ALJAWWALSTC-AS, SA 12389 2904 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2476 246 1281 M247, GB 34984 2244 357 635 TELLCOM-AS, TR 58224 1844 938 623 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 10685 3401 552 Uninet S.A. de C.V., MX 10620 3487 519 736 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1855 306 482 Mega Cable, S.A. de C.V., MX 6503 1444 355 527 Axtel, S.A.B. de C.V., MX 28573 1368 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 1022 191 443 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 1605 393 19 LINKdotNET-AS, EG 24835 1506 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 961 65 58 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 514 51 34 WANANCHI-, KE 37342 452 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 10685 3401 552 Uninet S.A. de C.V., MX 9808 9210 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6821 1730 150 UNI2-AS, ES 16509 6610 10368 2703 AMAZON-02, US 7545 5918 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4525 300 650 CABLEONE, US 8551 3997 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3965 3360 193 AKAMAI-ASN1, NL 22773 3911 3070 363 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 9210 9175 CHINAMOBILE-CN China Mobile Communications Grou 12479 6821 6671 UNI2-AS, ES 7545 5918 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3997 3958 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6610 3907 AMAZON-02, US 11492 4525 3875 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3873 3830 ALJAWWALSTC-AS, SA 20940 3965 3772 AKAMAI-ASN1, NL 7552 3578 3559 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 10905 UNALLOCATED 8.10.142.0/24 3356 LEVEL3, US 10905 UNALLOCATED 8.10.143.0/24 3356 LEVEL3, 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 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 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 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 /12:300 /13:588 /14:1198 /15:2089 /16:13479 /17:8231 /18:13715 /19:24761 /20:42728 /21:50798 /22:107167 /23:94845 /24:523859 /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 5799 6821 UNI2-AS, ES 8151 4407 10685 Uninet S.A. de C.V., MX 8551 3463 3997 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3428 4525 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3185 3873 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2912 3911 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2274 2618 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1922 2:1020 3:157 4:6 5:3793 6:107 7:5 8:1529 9:1 11:172 12:1678 13:331 14:2355 15:209 16:42 17:385 18:169 20:213 21:4 22:188 23:5640 24:2328 25:6 27:2608 29:19 31:2437 32:92 34:3 35:86 36:1794 37:4463 38:2974 39:706 40:152 41:3901 42:1108 43:2184 44:292 45:15793 46:4116 47:298 49:1671 50:2156 51:108 52:1442 54:380 55:756 56:8 57:59 58:1693 59:1086 60:956 61:2244 62:2484 63:1932 64:5524 65:2339 66:4825 67:2974 68:1192 69:4165 70:1330 71:682 72:3054 74:2654 75:1392 76:576 77:2191 78:1844 79:3119 80:1993 81:1610 82:1489 83:1205 84:1320 85:2923 86:713 87:1959 88:1124 89:3325 90:532 91:7586 92:2009 93:2554 94:3459 95:3873 96:1312 97:349 98:1002 99:754 100:77 101:1270 102:2117 103:29069 104:4452 105:458 106:868 107:2532 108:839 109:4256 110:1975 111:3259 112:2035 113:1471 114:1475 115:1964 116:1889 117:2515 118:2329 119:1847 120:1668 121:1020 122:2510 123:2079 124:1539 125:2054 128:1185 129:1070 130:968 131:2031 132:802 133:378 134:1918 135:294 136:879 137:855 138:2412 139:1516 140:880 141:1419 142:1285 143:1450 144:1208 145:349 146:1810 147:1493 148:2214 149:1729 150:854 151:1076 152:1841 153:460 154:3547 155:1427 156:1719 157:1240 158:1047 159:2209 160:2544 161:1277 162:3463 163:1270 164:1623 165:1610 166:717 167:1745 168:3765 169:854 170:4478 171:829 172:3210 173:3111 174:1018 175:1141 176:3589 177:4613 178:3547 179:2079 180:2323 181:2961 182:3200 183:1948 184:2370 185:19519 186:4267 187:3805 188:3919 189:3312 190:8867 191:1307 192:10984 193:8616 194:7010 195:4928 196:3028 197:2368 198:5942 199:6019 200:7480 201:5814 202:10072 203:9981 204:4532 205:3427 206:3675 207:3338 208:4010 209:4673 210:4145 211:2333 212:4002 213:3396 214:1147 215:67 216:6466 217:2664 218:1270 219:407 220:1673 221:999 222:652 223:2115 End of report