IPv4 R&E Routing Table Report 23:05 GMT Tue 06 Aug, 2024 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: 947029 Prefixes after maximum aggregation (per Origin AS): 362594 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465008 Number of IPv4 prefixes with a valid ROA: 489720 Number of IPv4 prefixes with an invalid ROA: 1206 Number of IPv4 prefixes with no ROA: 456103 Total ASes present in the Internet Routing Table: 75814 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65189 Origin ASes announcing only one prefix: 26717 Transit ASes present in the Internet Routing Table: 10625 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 934 Number of instances of unregistered ASNs: 941 Number of 32-bit ASNs allocated by the RIRs: 45104 Number of 32-bit ASNs visible in the Routing Table: 36770 Prefixes from 32-bit ASNs in the Routing Table: 189448 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 518 Number of addresses announced to Internet: 3025517312 Equivalent to 180 /8s, 85 /16s and 187 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310714 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250179 Total APNIC prefixes after maximum aggregation: 74201 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242183 Unique aggregates announced from the APNIC address blocks: 101957 APNIC Region origin ASes present in the Internet Routing Table: 14203 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4321 APNIC Region transit ASes present in the Internet Routing Table: 1881 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9673 Number of APNIC addresses announced to Internet: 761649408 Equivalent to 45 /8s, 101 /16s and 217 /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, 131072-153913 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: 277348 Total ARIN prefixes after maximum aggregation: 125192 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 281678 Unique aggregates announced from the ARIN address blocks: 134969 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1886 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4944 Number of ARIN addresses announced to Internet: 1266280960 Equivalent to 75 /8s, 121 /16s and 234 /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, 393216-402332 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: 265215 Total RIPE prefixes after maximum aggregation: 127965 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 260849 Unique aggregates announced from the RIPE address blocks: 165645 RIPE Region origin ASes present in the Internet Routing Table: 28654 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11901 Number of RIPE addresses announced to Internet: 714614784 Equivalent to 42 /8s, 152 /16s and 40 /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 196608-216475 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: 121642 Total LACNIC prefixes after maximum aggregation: 28329 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 119579 Unique aggregates announced from the LACNIC address blocks: 48087 LACNIC Region origin ASes present in the Internet Routing Table: 11129 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2436 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9026 Number of LACNIC addresses announced to Internet: 177906944 Equivalent to 10 /8s, 154 /16s and 165 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31711 Total AfriNIC prefixes after maximum aggregation: 6285 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 42222 Unique aggregates announced from the AfriNIC address blocks: 13917 AfriNIC Region origin ASes present in the Internet Routing Table: 1866 AfriNIC Prefixes per ASN: 22.63 AfriNIC Region origin ASes announcing only one prefix: 669 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1226 Number of AfriNIC addresses announced to Internet: 104768256 Equivalent to 6 /8s, 62 /16s and 163 /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 9865 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5663 840 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4245 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3966 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3793 511 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3636 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3244 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2818 860 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2197 434 201 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10474 11582 3687 AMAZON-02, US 11492 4626 307 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3939 8785 885 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3424 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3257 54898 2509 DNIC-AS-00749, US 16625 2977 1279 2148 AKAMAI-AS, US 7018 2967 23680 1859 ATT-INTERNET4, US 396982 2765 3584 412 GOOGLE-CLOUD-PLATFORM, 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 7714 1708 145 UNI2-AS, ES 39891 4406 265 62 ALJAWWALSTC-AS, SA 20940 3807 3396 129 AKAMAI-ASN1, NL 9009 3565 304 1839 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2336 360 584 TELLCOM-AS, TR 8551 1786 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1747 125 1281 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 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 11850 3290 519 UNINET, MX 10620 3531 493 934 Telmex Colombia S.A., CO 13999 2552 619 38 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 28573 1344 2310 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1315 768 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 19037 1228 278 33 AMX Argentina S.A., AR 6503 1127 314 483 Axtel, S.A.B. de C.V., MX 26615 1084 2503 53 TIM SA, BR 22884 1070 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1615 389 16 LINKdotNET-AS, EG 24835 1555 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1308 83 77 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 539 82 3 KENET-AS, KE 37342 517 32 1 MOVITEL, MZ 24757 427 73 5 EthioNet-AS, ET 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 11850 3290 519 UNINET, MX 16509 10474 11582 3687 AMAZON-02, US 9808 9865 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7714 1708 145 UNI2-AS, ES 7545 5663 840 661 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4626 307 547 CABLEONE, US 39891 4406 265 62 ALJAWWALSTC-AS, SA 18403 4245 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3966 1331 22 VIETEL-AS-AP Viettel Group, VN 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 9865 9791 CHINAMOBILE-CN China Mobile Communications Grou 12479 7714 7569 UNI2-AS, ES 16509 10474 6787 AMAZON-02, US 7545 5663 5002 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4406 4344 ALJAWWALSTC-AS, SA 18403 4245 4222 FPT-AS-AP FPT Telecom Company, VN 11492 4626 4079 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3966 3944 VIETEL-AS-AP Viettel Group, VN 20940 3807 3678 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:37 /11:92 /12:294 /13:573 /14:1162 /15:2051 /16:13100 /17:8138 /18:13567 /19:24314 /20:43117 /21:51210 /22:110781 /23:99266 /24:579287 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6800 7714 UNI2-AS, ES 8151 5937 11850 UNINET, MX 11492 3537 4626 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3232 4406 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2561 3424 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2160 3531 Telmex Colombia S.A., CO 30036 2160 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2153 10474 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2282 2:1499 3:393 4:6 5:4371 6:162 7:6 8:1502 9:1 11:172 12:1433 13:367 14:2350 15:324 16:258 17:363 18:862 20:405 21:4 22:188 23:6898 24:2695 25:2 27:2628 29:19 31:2626 32:44 34:67 35:135 36:2343 37:4489 38:8234 39:914 40:150 41:4102 42:2019 43:2395 44:331 45:17335 46:4553 47:300 49:1969 50:1852 51:579 52:1578 54:319 55:947 56:8 57:213 58:2154 59:1199 60:1060 61:2688 62:2764 63:1853 64:5421 65:2273 66:4615 67:3001 68:1347 69:4016 70:1155 71:555 72:2855 74:2629 75:1559 76:614 77:2499 78:1786 79:1798 80:2172 81:2014 82:1660 83:1366 84:1695 85:3153 86:932 87:2022 88:1250 89:4187 90:698 91:8186 92:2360 93:2647 94:3728 95:4206 96:1276 97:317 98:1044 99:739 100:73 101:1154 102:3317 103:32271 104:4761 105:697 106:1005 107:2500 108:1160 109:4051 110:2118 111:3214 112:2054 113:1803 114:1818 115:2032 116:1949 117:2639 118:2815 119:1982 120:1797 121:1294 122:2694 123:2249 124:1609 125:2830 126:64 128:1362 129:931 130:1177 131:1861 132:813 133:429 134:1715 135:310 136:1123 137:1060 138:2857 139:1526 140:1420 141:1391 142:1668 143:1632 144:1025 145:361 146:2094 147:2024 148:2538 149:2759 150:1044 151:1354 152:2230 153:520 154:6444 155:1441 156:2353 157:1925 158:1175 159:2428 160:2959 161:1710 162:3533 163:1733 164:1679 165:2137 166:1263 167:1835 168:4025 169:800 170:4924 171:1036 172:3885 173:3059 174:897 175:1246 176:3447 177:4618 178:3630 179:2197 180:2419 181:3808 182:3328 183:1979 184:2262 185:20942 186:4963 187:4343 188:4093 189:4115 190:9511 191:1516 192:11018 193:9209 194:7478 195:5299 196:3204 197:2652 198:5915 199:8006 200:8053 201:6254 202:10220 203:10317 204:4525 205:3650 206:4451 207:3524 208:4149 209:4991 210:4504 211:2540 212:4386 213:3633 214:1054 215:49 216:6725 217:2938 218:1330 219:432 220:1811 221:1035 222:699 223:2219 End of report