IPv4 R&E Routing Table Report 23:05 GMT Sun 25 Feb, 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: 932131 Prefixes after maximum aggregation (per Origin AS): 356593 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 457198 Number of IPv4 prefixes with a valid ROA: 447166 Number of IPv4 prefixes with an invalid ROA: 1061 Number of IPv4 prefixes with no ROA: 483904 Total ASes present in the Internet Routing Table: 75257 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64753 Origin ASes announcing only one prefix: 26577 Transit ASes present in the Internet Routing Table: 10504 Transit-only ASes present in the Internet Routing Table: 475 Paths with bogon ASNs present in the IPv4 Routing Table: 12 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1058 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 43713 Number of 32-bit ASNs visible in the Routing Table: 35890 Prefixes from 32-bit ASNs in the Routing Table: 181050 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 520 Number of addresses announced to Internet: 3041744640 Equivalent to 181 /8s, 77 /16s and 87 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 307920 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245521 Total APNIC prefixes after maximum aggregation: 72230 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238336 Unique aggregates announced from the APNIC address blocks: 100003 APNIC Region origin ASes present in the Internet Routing Table: 13903 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4189 APNIC Region transit ASes present in the Internet Routing Table: 1845 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9338 Number of APNIC addresses announced to Internet: 774001664 Equivalent to 46 /8s, 34 /16s and 84 /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: 272158 Total ARIN prefixes after maximum aggregation: 123170 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 276813 Unique aggregates announced from the ARIN address blocks: 132237 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 14.53 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1895 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4845 Number of ARIN addresses announced to Internet: 1270052864 Equivalent to 75 /8s, 179 /16s and 120 /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: 262140 Total RIPE prefixes after maximum aggregation: 125672 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257069 Unique aggregates announced from the RIPE address blocks: 161827 RIPE Region origin ASes present in the Internet Routing Table: 28547 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12127 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: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11617 Number of RIPE addresses announced to Internet: 713490944 Equivalent to 42 /8s, 135 /16s and 2 /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: 120976 Total LACNIC prefixes after maximum aggregation: 28765 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119515 Unique aggregates announced from the LACNIC address blocks: 49521 LACNIC Region origin ASes present in the Internet Routing Table: 11066 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2376 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8920 Number of LACNIC addresses announced to Internet: 177745920 Equivalent to 10 /8s, 152 /16s and 48 /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: 30278 Total AfriNIC prefixes after maximum aggregation: 6052 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 39878 Unique aggregates announced from the AfriNIC address blocks: 13180 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 652 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 44 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1170 Number of AfriNIC addresses announced to Internet: 106151680 Equivalent to 6 /8s, 83 /16s and 191 /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 9819 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4538 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3882 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3510 497 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3285 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2740 860 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9651 11245 3332 AMAZON-02, US 11492 4581 304 644 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3608 3043 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3595 1320 75 SHAW, CA 16625 3215 1400 2288 AKAMAI-AS, US 749 3183 54927 2435 DNIC-AS-00749, US 174 3133 6638 660 COGENT-174, US 367 2885 3644 1402 DNIC-ASBLK-00306-00371, US 396982 2758 3639 397 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 7611 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3874 3395 126 AKAMAI-ASN1, NL 9009 3250 283 1583 M247, RO 12389 2894 2304 908 ROSTELECOM-AS, RU 8551 2650 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2351 363 595 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1504 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 STARK-INDUSTRIES, GB 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 12501 3375 606 UNINET, MX 10620 3523 496 891 Telmex Colombia S.A., CO 13999 2522 342 644 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1330 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1310 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1143 179 420 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1072 115 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1550 545 28 RAYA-AS, EG 24863 1545 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1152 74 63 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 520 55 52 WANANCHI-, KE 24757 439 73 5 EthioNet-AS, ET 36914 434 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 12501 3375 606 UNINET, MX 9808 9819 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9651 11245 3332 AMAZON-02, US 12479 7611 1714 147 UNI2-AS, ES 7545 5656 777 675 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 644 CABLEONE, US 18403 4538 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3882 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 9819 9767 CHINAMOBILE-CN China Mobile Communications Grou 12479 7611 7464 UNI2-AS, ES 16509 9651 6319 AMAZON-02, US 7545 5656 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4538 4513 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3937 CABLEONE, US 7552 3882 3861 VIETEL-AS-AP Viettel Group, VN 20940 3874 3748 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/24 Origin: 136800 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 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 /9:14 /10:36 /11:98 /12:300 /13:573 /14:1190 /15:2057 /16:13328 /17:8107 /18:13562 /19:24602 /20:43084 /21:50801 /22:109738 /23:98067 /24:566550 /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 6726 7611 UNI2-AS, ES 8151 6448 12501 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3595 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2654 3608 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2492 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2129 3523 Telmex Colombia S.A., CO 8551 2126 2650 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2284 2:1521 3:301 4:6 5:4469 6:164 7:6 8:1496 9:1 11:172 12:1468 13:389 14:2348 15:313 16:208 17:366 18:736 20:356 21:4 22:188 23:6596 24:2700 25:2 27:2566 29:19 31:2558 32:45 34:40 35:121 36:2191 37:4499 38:6965 39:892 40:140 41:4046 42:2170 43:2298 44:328 45:16805 46:4344 47:287 49:1895 50:1898 51:575 52:1585 54:312 55:879 56:5 57:149 58:1965 59:1120 60:1019 61:2610 62:2664 63:1903 64:5515 65:2327 66:4651 67:3044 68:1337 69:4044 70:1196 71:575 72:2892 74:2584 75:1554 76:630 77:2403 78:1837 79:2473 80:2138 81:1910 82:1505 83:1242 84:1623 85:3085 86:836 87:1966 88:1224 89:3988 90:677 91:7916 92:2193 93:2631 94:3646 95:4074 96:1285 97:312 98:1029 99:745 100:92 101:1159 102:3083 103:32468 104:4755 105:599 106:929 107:2761 108:1116 109:4030 110:2137 111:3159 112:2057 113:1750 114:1764 115:1981 116:1946 117:2651 118:2760 119:1949 120:1785 121:1269 122:2674 123:2192 124:1562 125:2838 126:28 128:1482 129:914 130:1082 131:1820 132:815 133:412 134:1707 135:312 136:922 137:1026 138:2779 139:1539 140:1368 141:1346 142:1556 143:1471 144:1003 145:343 146:2011 147:1698 148:2503 149:2521 150:1025 151:1322 152:1981 153:525 154:5687 155:1374 156:2090 157:1548 158:1088 159:2221 160:2604 161:1629 162:3596 163:1699 164:1630 165:2108 166:1062 167:1700 168:3929 169:787 170:4698 171:1003 172:3834 173:3016 174:893 175:1214 176:3636 177:4528 178:3548 179:2203 180:2369 181:3638 182:3400 183:2019 184:2263 185:20618 186:4849 187:4406 188:4011 189:4112 190:9306 191:1408 192:10955 193:8996 194:7411 195:5239 196:3112 197:2495 198:5898 199:7215 200:8061 201:6326 202:10145 203:10117 204:4520 205:3723 206:4424 207:3419 208:4109 209:4950 210:4369 211:2479 212:4272 213:3402 214:1116 215:44 216:6702 217:2811 218:1316 219:408 220:1820 221:1021 222:695 223:2205 End of report