IPv4 R&E Routing Table Report 23:05 GMT Sun 21 Jul, 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: 939295 Prefixes after maximum aggregation (per Origin AS): 360518 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 462154 Number of IPv4 prefixes with a valid ROA: 479690 Number of IPv4 prefixes with an invalid ROA: 1402 Number of IPv4 prefixes with no ROA: 458203 Total ASes present in the Internet Routing Table: 74474 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 64001 Origin ASes announcing only one prefix: 26429 Transit ASes present in the Internet Routing Table: 10473 Transit-only ASes present in the Internet Routing Table: 502 Paths with bogon ASNs present in the IPv4 Routing Table: 26 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: 989 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 45030 Number of 32-bit ASNs visible in the Routing Table: 35514 Prefixes from 32-bit ASNs in the Routing Table: 184733 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: 550 Number of addresses announced to Internet: 3023973888 Equivalent to 180 /8s, 62 /16s and 46 /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: 310699 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242793 Total APNIC prefixes after maximum aggregation: 71719 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 234730 Unique aggregates announced from the APNIC address blocks: 98012 APNIC Region origin ASes present in the Internet Routing Table: 12864 APNIC Prefixes per ASN: 18.25 APNIC Region origin ASes announcing only one prefix: 4050 APNIC Region transit ASes present in the Internet Routing Table: 1754 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: 8460 Number of APNIC addresses announced to Internet: 759520256 Equivalent to 45 /8s, 69 /16s and 92 /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: 276900 Total ARIN prefixes after maximum aggregation: 125197 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281366 Unique aggregates announced from the ARIN address blocks: 134735 ARIN Region origin ASes present in the Internet Routing Table: 19089 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1892 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: 4935 Number of ARIN addresses announced to Internet: 1267119872 Equivalent to 75 /8s, 134 /16s and 183 /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: 265429 Total RIPE prefixes after maximum aggregation: 127594 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260736 Unique aggregates announced from the RIPE address blocks: 165425 RIPE Region origin ASes present in the Internet Routing Table: 28653 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3895 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11885 Number of RIPE addresses announced to Internet: 714727424 Equivalent to 42 /8s, 153 /16s and 224 /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: 121615 Total LACNIC prefixes after maximum aggregation: 29086 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119580 Unique aggregates announced from the LACNIC address blocks: 50017 LACNIC Region origin ASes present in the Internet Routing Table: 11123 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2429 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: 9013 Number of LACNIC addresses announced to Internet: 177205504 Equivalent to 10 /8s, 143 /16s and 241 /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: 31569 Total AfriNIC prefixes after maximum aggregation: 6261 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 42333 Unique aggregates announced from the AfriNIC address blocks: 13507 AfriNIC Region origin ASes present in the Internet Routing Table: 1856 AfriNIC Prefixes per ASN: 22.81 AfriNIC Region origin ASes announcing only one prefix: 666 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1221 Number of AfriNIC addresses announced to Internet: 105097472 Equivalent to 6 /8s, 67 /16s and 169 /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 9844 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5656 776 667 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4175 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3957 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3787 511 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3240 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2822 859 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2197 433 199 TATACOMM-AS TATA Communications formerly 45090 2188 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 10184 11551 3630 AMAZON-02, US 11492 4630 307 558 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3816 8790 885 COGENT-174, US 6327 3594 1320 78 SHAW, CA 22773 3419 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3252 54899 2504 DNIC-AS-00749, US 16625 3008 1296 2171 AKAMAI-AS, US 7018 2935 23689 1840 ATT-INTERNET4, US 396982 2760 3594 409 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 7692 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3809 3396 129 AKAMAI-ASN1, NL 9009 3584 305 1828 M247, RO 12389 2868 2292 858 ROSTELECOM-AS, RU 34984 2346 361 578 TELLCOM-AS, TR 8551 1771 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1713 123 1252 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1562 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 11871 3306 508 UNINET, MX 10620 3521 492 937 Telmex Colombia S.A., CO 13999 2544 354 679 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 783 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1099 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 22884 1061 97 371 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 1613 389 16 LINKdotNET-AS, EG 24835 1550 557 28 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1269 80 74 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 821 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 519 56 58 WANANCHI-, KE 37342 512 32 1 MOVITEL, MZ 36914 497 82 3 KENET-AS, KE 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 11871 3306 508 UNINET, MX 16509 10184 11551 3630 AMAZON-02, US 9808 9844 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7692 1708 145 UNI2-AS, ES 7545 5656 776 667 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4630 307 558 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4175 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3957 1331 21 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 9844 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7692 7547 UNI2-AS, ES 16509 10184 6554 AMAZON-02, US 7545 5656 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4175 4152 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4630 4072 CABLEONE, US 7552 3957 3936 VIETEL-AS-AP Viettel Group, VN 20940 3809 3680 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 23.140.216.0/24 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /13:570 /14:1165 /15:2051 /16:13169 /17:8144 /18:13579 /19:24307 /20:43101 /21:51169 /22:110329 /23:98755 /24:572493 /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 6785 7692 UNI2-AS, ES 8151 5929 11871 UNINET, MX 11492 3539 4630 CABLEONE, US 6327 3391 3594 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2558 3419 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2167 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2150 3521 Telmex Colombia S.A., CO 16509 2139 10184 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2286 2:1503 3:379 4:6 5:4382 6:149 7:6 8:1511 9:1 11:172 12:1438 13:363 14:2327 15:322 16:219 17:365 18:785 20:384 21:4 22:188 23:6883 24:2692 25:2 27:2477 29:19 31:2587 32:44 34:65 35:133 36:2309 37:4425 38:8109 39:911 40:149 41:4076 42:1980 43:2290 44:330 45:17231 46:4535 47:300 49:1935 50:1860 51:580 52:1575 54:318 55:918 56:8 57:214 58:2115 59:1153 60:1051 61:2653 62:2750 63:1880 64:5463 65:2289 66:4616 67:3003 68:1309 69:4052 70:1159 71:558 72:2855 74:2598 75:1552 76:623 77:2489 78:1870 79:1777 80:2176 81:2011 82:1650 83:1363 84:1695 85:3174 86:932 87:2025 88:1238 89:4200 90:692 91:8159 92:2339 93:2718 94:3736 95:4203 96:1279 97:317 98:1028 99:739 100:73 101:1153 102:3337 103:28945 104:4756 105:698 106:992 107:2493 108:1152 109:4052 110:2121 111:3189 112:2046 113:1772 114:1625 115:1871 116:1872 117:2631 118:2600 119:1861 120:1746 121:1292 122:2669 123:2159 124:1588 125:2834 126:32 128:1375 129:924 130:1172 131:1874 132:801 133:417 134:1725 135:319 136:1121 137:1043 138:2858 139:1525 140:1418 141:1376 142:1669 143:1624 144:1003 145:358 146:2093 147:2004 148:2548 149:2761 150:1029 151:1336 152:2215 153:522 154:6822 155:1428 156:2185 157:1822 158:1176 159:2430 160:2814 161:1701 162:3506 163:1681 164:1674 165:2134 166:1244 167:1821 168:4048 169:800 170:4924 171:1030 172:3875 173:3054 174:896 175:1190 176:3446 177:4659 178:3597 179:2208 180:2311 181:3797 182:3198 183:1977 184:2251 185:20875 186:4948 187:4355 188:4067 189:4174 190:9465 191:1507 192:11017 193:9160 194:7478 195:5295 196:3195 197:2730 198:5903 199:8004 200:8019 201:6238 202:9914 203:10027 204:4562 205:3632 206:4465 207:3491 208:4144 209:4986 210:4387 211:2533 212:4364 213:3597 214:1065 215:49 216:6724 217:3064 218:1326 219:429 220:1794 221:1029 222:692 223:2187 End of report