IPv4 R&E Routing Table Report 23:05 GMT Sun 29 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: 883658 Prefixes after maximum aggregation (per Origin AS): 336216 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 433116 Number of IPv4 prefixes with a valid ROA: 327274 Number of IPv4 prefixes with an invalid ROA: 1183 Number of IPv4 prefixes with no ROA: 555201 Total ASes present in the Internet Routing Table: 73021 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62702 Origin ASes announcing only one prefix: 25739 Transit ASes present in the Internet Routing Table: 10319 Transit-only ASes present in the Internet Routing Table: 385 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: 912 Number of instances of unregistered ASNs: 916 Number of 32-bit ASNs allocated by the RIRs: 39501 Number of 32-bit ASNs visible in the Routing Table: 32694 Prefixes from 32-bit ASNs in the Routing Table: 153924 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: 507 Number of addresses announced to Internet: 3065339136 Equivalent to 182 /8s, 181 /16s and 93 /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: 297328 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228992 Total APNIC prefixes after maximum aggregation: 66229 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224243 Unique aggregates announced from the APNIC address blocks: 95009 APNIC Region origin ASes present in the Internet Routing Table: 12598 APNIC Prefixes per ASN: 17.80 APNIC Region origin ASes announcing only one prefix: 3606 APNIC Region transit ASes present in the Internet Routing Table: 1734 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7869 Number of APNIC addresses announced to Internet: 773479936 Equivalent to 46 /8s, 26 /16s and 94 /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: 261202 Total ARIN prefixes after maximum aggregation: 120051 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261016 Unique aggregates announced from the ARIN address blocks: 126189 ARIN Region origin ASes present in the Internet Routing Table: 18970 ARIN Prefixes per ASN: 13.76 ARIN Region origin ASes announcing only one prefix: 6914 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: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4488 Number of ARIN addresses announced to Internet: 1293309696 Equivalent to 77 /8s, 22 /16s and 87 /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: 250093 Total RIPE prefixes after maximum aggregation: 116407 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247587 Unique aggregates announced from the RIPE address blocks: 151111 RIPE Region origin ASes present in the Internet Routing Table: 28111 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12006 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: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10702 Number of RIPE addresses announced to Internet: 714123008 Equivalent to 42 /8s, 144 /16s and 167 /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: 114626 Total LACNIC prefixes after maximum aggregation: 27366 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114468 Unique aggregates announced from the LACNIC address blocks: 48639 LACNIC Region origin ASes present in the Internet Routing Table: 10952 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2213 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: 8668 Number of LACNIC addresses announced to Internet: 176465408 Equivalent to 10 /8s, 132 /16s and 166 /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: 27833 Total AfriNIC prefixes after maximum aggregation: 5498 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 35837 Unique aggregates announced from the AfriNIC address blocks: 11750 AfriNIC Region origin ASes present in the Internet Routing Table: 1637 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 563 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 967 Number of AfriNIC addresses announced to Internet: 107673088 Equivalent to 6 /8s, 106 /16s and 246 /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 9194 8883 40 CHINAMOBILE-CN China Mobile Communicati 7545 5928 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 3427 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 2122 425 214 TATACOMM-AS TATA Communications formerl 24560 2048 852 384 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 6505 10364 2823 AMAZON-02, US 11492 4515 299 659 CABLEONE, US 22773 3915 3070 362 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3531 1818 2526 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2867 50793 2125 DNIC-AS-00749, US 30036 2625 374 158 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2446 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 6815 1730 150 UNI2-AS, ES 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3956 3360 193 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2927 355 21 UKRTELNET, UA 12389 2897 2273 907 ROSTELECOM-AS, RU 9009 2470 246 1276 M247, GB 34984 2241 357 629 TELLCOM-AS, TR 58224 1827 934 614 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 10659 3404 555 Uninet S.A. de C.V., MX 10620 3482 519 738 Telmex Colombia S.A., CO 11830 2438 369 63 Instituto Costarricense de Electricidad 13999 1835 303 473 Mega Cable, S.A. de C.V., MX 6503 1450 355 528 Axtel, S.A.B. de C.V., MX 28573 1357 2333 255 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 1655 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 955 65 64 ORANGE-COTE-IVOIRE, CI 36935 672 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 512 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 10659 3404 555 Uninet S.A. de C.V., MX 9808 9194 8883 40 CHINAMOBILE-CN China Mobile Communicati 12479 6815 1730 150 UNI2-AS, ES 16509 6505 10364 2823 AMAZON-02, US 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 659 CABLEONE, US 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3956 3360 193 AKAMAI-ASN1, NL 22773 3915 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 9194 9154 CHINAMOBILE-CN China Mobile Communications Grou 12479 6815 6665 UNI2-AS, ES 7545 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4002 3963 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3856 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3956 3763 AKAMAI-ASN1, NL 16509 6505 3682 AMAZON-02, US 22773 3915 3553 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 /11:100 /12:303 /13:587 /14:1200 /15:2095 /16:13497 /17:8238 /18:13756 /19:24807 /20:42676 /21:50781 /22:107085 /23:94647 /24:523811 /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 5788 6815 UNI2-AS, ES 8151 4379 10659 Uninet S.A. de C.V., MX 8551 3468 4002 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4515 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2918 3915 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA 30036 2282 2625 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1913 2:1017 3:156 4:6 5:3786 6:104 7:5 8:1526 9:1 11:172 12:1703 13:295 14:2371 15:202 16:42 17:383 18:164 20:212 21:4 22:188 23:5639 24:2309 25:6 27:2606 29:19 31:2433 32:92 34:4 35:82 36:1796 37:4448 38:2887 39:704 40:152 41:3966 42:1110 43:2169 44:290 45:16061 46:4130 47:297 49:1673 50:2168 51:108 52:1435 54:372 55:752 56:8 57:59 58:1689 59:1110 60:956 61:2256 62:2526 63:1935 64:5513 65:2333 66:4826 67:2976 68:1192 69:4160 70:1330 71:684 72:3048 74:2644 75:1393 76:586 77:2163 78:1849 79:3115 80:1998 81:1607 82:1495 83:1206 84:1351 85:2923 86:712 87:1971 88:1124 89:3306 90:535 91:7611 92:2011 93:2584 94:3499 95:3895 96:1309 97:349 98:997 99:737 100:77 101:1272 102:2097 103:29125 104:4445 105:457 106:874 107:2526 108:833 109:4259 110:2020 111:3263 112:2034 113:1473 114:1476 115:1977 116:1891 117:2507 118:2318 119:1854 120:1666 121:1021 122:2545 123:2092 124:1529 125:2060 128:1187 129:1085 130:970 131:2043 132:794 133:378 134:1901 135:290 136:881 137:862 138:2429 139:1504 140:855 141:1407 142:1283 143:1429 144:1208 145:347 146:1801 147:1469 148:2220 149:1727 150:848 151:1078 152:1843 153:459 154:3452 155:1420 156:1750 157:1241 158:1046 159:2208 160:2528 161:1281 162:3459 163:1268 164:1649 165:1617 166:719 167:1735 168:3747 169:833 170:4474 171:828 172:3180 173:3106 174:1024 175:1132 176:3578 177:4662 178:3550 179:2030 180:2324 181:2975 182:3206 183:1951 184:2371 185:19512 186:4255 187:3788 188:3875 189:3279 190:8877 191:1313 192:10990 193:8612 194:7007 195:4944 196:2949 197:2367 198:5942 199:6015 200:7482 201:5724 202:10098 203:9994 204:4537 205:3428 206:3681 207:3335 208:4004 209:4639 210:4092 211:2345 212:4002 213:3412 214:1150 215:67 216:6455 217:2671 218:1262 219:405 220:1675 221:978 222:670 223:2118 End of report