IPv4 R&E Routing Table Report 23:05 GMT Sat 02 Mar, 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: 932763 Prefixes after maximum aggregation (per Origin AS): 356964 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458002 Number of IPv4 prefixes with a valid ROA: 448911 Number of IPv4 prefixes with an invalid ROA: 1056 Number of IPv4 prefixes with no ROA: 482796 Total ASes present in the Internet Routing Table: 75263 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64776 Origin ASes announcing only one prefix: 26578 Transit ASes present in the Internet Routing Table: 10487 Transit-only ASes present in the Internet Routing Table: 470 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 1084 Number of instances of unregistered ASNs: 1086 Number of 32-bit ASNs allocated by the RIRs: 43748 Number of 32-bit ASNs visible in the Routing Table: 35905 Prefixes from 32-bit ASNs in the Routing Table: 181064 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 545 Number of addresses announced to Internet: 3040709888 Equivalent to 181 /8s, 61 /16s and 141 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 308004 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245669 Total APNIC prefixes after maximum aggregation: 72250 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 238430 Unique aggregates announced from the APNIC address blocks: 100072 APNIC Region origin ASes present in the Internet Routing Table: 13917 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4203 APNIC Region transit ASes present in the Internet Routing Table: 1844 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9353 Number of APNIC addresses announced to Internet: 774039808 Equivalent to 46 /8s, 34 /16s and 233 /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: 272536 Total ARIN prefixes after maximum aggregation: 123379 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277252 Unique aggregates announced from the ARIN address blocks: 132575 ARIN Region origin ASes present in the Internet Routing Table: 19060 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1897 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: 4844 Number of ARIN addresses announced to Internet: 1270022144 Equivalent to 75 /8s, 179 /16s and 0 /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: 262429 Total RIPE prefixes after maximum aggregation: 125817 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257339 Unique aggregates announced from the RIPE address blocks: 162124 RIPE Region origin ASes present in the Internet Routing Table: 28552 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12137 RIPE Region transit ASes present in the Internet Routing Table: 3893 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11626 Number of RIPE addresses announced to Internet: 712670720 Equivalent to 42 /8s, 122 /16s and 126 /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: 120683 Total LACNIC prefixes after maximum aggregation: 28756 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119203 Unique aggregates announced from the LACNIC address blocks: 49556 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2620 LACNIC Region transit ASes present in the Internet Routing Table: 2362 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: 8903 Number of LACNIC addresses announced to Internet: 177533440 Equivalent to 10 /8s, 148 /16s and 242 /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: 30362 Total AfriNIC prefixes after maximum aggregation: 6049 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39994 Unique aggregates announced from the AfriNIC address blocks: 13232 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1179 Number of AfriNIC addresses announced to Internet: 106131200 Equivalent to 6 /8s, 83 /16s and 111 /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 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4566 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3869 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 3286 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2746 862 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 434 196 TATACOMM-AS TATA Communications formerl 45090 2150 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 9668 11263 3365 AMAZON-02, US 11492 4581 304 649 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 22773 3602 3043 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3596 1320 75 SHAW, CA 16625 3214 1400 2288 AKAMAI-AS, US 174 3209 6642 667 COGENT-174, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2905 3646 1402 DNIC-ASBLK-00306-00371, US 396982 2760 3640 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 7614 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3888 3395 126 AKAMAI-ASN1, NL 9009 3280 285 1599 M247, RO 12389 2893 2304 908 ROSTELECOM-AS, RU 8551 2646 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2350 363 593 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1505 1852 14 TE-AS TE-AS, EG 44477 1491 98 710 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 12503 3346 607 UNINET, MX 10620 3524 496 890 Telmex Colombia S.A., CO 13999 2526 343 645 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1342 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1310 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1067 114 373 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 1518 389 16 LINKdotNET-AS, EG 36992 1362 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1159 74 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 527 55 52 WANANCHI-, KE 36914 482 82 3 KENET-AS, KE 24757 449 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 12503 3346 607 UNINET, MX 9808 9807 8739 52 CHINAMOBILE-CN China Mobile Communicati 16509 9668 11263 3365 AMAZON-02, US 12479 7614 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4581 304 649 CABLEONE, US 18403 4566 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 20940 3888 3395 126 AKAMAI-ASN1, NL 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 9807 9755 CHINAMOBILE-CN China Mobile Communications Grou 12479 7614 7467 UNI2-AS, ES 16509 9668 6303 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4566 4541 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4581 3932 CABLEONE, US 7552 3869 3848 VIETEL-AS-AP Viettel Group, VN 20940 3888 3762 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 215391 UNALLOCATED 5.178.98.0/24 212219 HOSTINGDUNYAM HOSTING DUNYAM 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 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 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: 6939 HURRICANE, 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 /9:14 /10:36 /11:98 /12:299 /13:573 /14:1191 /15:2058 /16:13335 /17:8120 /18:13569 /19:24561 /20:43083 /21:50823 /22:109746 /23:97991 /24:567242 /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 6729 7614 UNI2-AS, ES 8151 6466 12503 UNINET, MX 11492 3494 4581 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3394 3596 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2649 3602 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2164 2508 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2129 3524 Telmex Colombia S.A., CO 8551 2122 2646 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) ---------------------------------------------- 1:2287 2:1527 3:308 4:6 5:4491 6:161 7:6 8:1496 9:1 11:172 12:1468 13:387 14:2350 15:313 16:208 17:366 18:741 20:355 21:4 22:188 23:6612 24:2700 25:2 27:2569 29:19 31:2618 32:45 34:44 35:122 36:2195 37:4494 38:7052 39:893 40:140 41:4074 42:2185 43:2301 44:323 45:16842 46:4344 47:287 49:1896 50:1897 51:576 52:1581 54:311 55:885 56:5 57:147 58:1970 59:1121 60:1021 61:2610 62:2690 63:1900 64:5505 65:2324 66:4666 67:3050 68:1336 69:4044 70:1197 71:574 72:2894 74:2582 75:1552 76:630 77:2400 78:1835 79:2468 80:2140 81:1919 82:1500 83:1244 84:1643 85:3088 86:836 87:1960 88:1229 89:4006 90:684 91:7948 92:2197 93:2627 94:3648 95:4101 96:1286 97:313 98:1036 99:743 100:91 101:1161 102:3090 103:32471 104:4754 105:608 106:929 107:2763 108:1125 109:4027 110:2137 111:3166 112:2057 113:1754 114:1767 115:1977 116:1945 117:2644 118:2768 119:1953 120:1786 121:1269 122:2673 123:2195 124:1561 125:2834 126:28 128:1502 129:913 130:1083 131:1805 132:812 133:410 134:1708 135:312 136:917 137:1027 138:2794 139:1541 140:1366 141:1351 142:1552 143:1478 144:1018 145:343 146:2015 147:1699 148:2483 149:2551 150:1022 151:1322 152:1978 153:526 154:5728 155:1385 156:2092 157:1562 158:1099 159:2225 160:2601 161:1629 162:3594 163:1703 164:1622 165:2113 166:1064 167:1701 168:3930 169:788 170:4706 171:1000 172:3842 173:3018 174:898 175:1217 176:3633 177:4431 178:3556 179:2189 180:2369 181:3662 182:3401 183:2024 184:2261 185:20591 186:4820 187:4373 188:4009 189:4057 190:9278 191:1434 192:10965 193:8993 194:7439 195:5249 196:3129 197:2552 198:5896 199:7293 200:8052 201:6354 202:10136 203:10117 204:4547 205:3696 206:4439 207:3407 208:4141 209:4961 210:4373 211:2485 212:4279 213:3393 214:1109 215:44 216:6741 217:2805 218:1313 219:406 220:1826 221:1023 222:695 223:2207 End of report