IPv4 R&E Routing Table Report 23:05 GMT Tue 12 Sep, 2023 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: 922431 Prefixes after maximum aggregation (per Origin AS): 351554 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452840 Number of IPv4 prefixes with a valid ROA: 419107 Number of IPv4 prefixes with an invalid ROA: 1707 Number of IPv4 prefixes with no ROA: 501617 Total ASes present in the Internet Routing Table: 74595 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64174 Origin ASes announcing only one prefix: 26330 Transit ASes present in the Internet Routing Table: 10421 Transit-only ASes present in the Internet Routing Table: 446 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1049 Number of instances of unregistered ASNs: 1051 Number of 32-bit ASNs allocated by the RIRs: 42593 Number of 32-bit ASNs visible in the Routing Table: 35006 Prefixes from 32-bit ASNs in the Routing Table: 174618 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 599 Number of addresses announced to Internet: 3054436352 Equivalent to 182 /8s, 15 /16s and 0 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 308148 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241235 Total APNIC prefixes after maximum aggregation: 70056 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234899 Unique aggregates announced from the APNIC address blocks: 98660 APNIC Region origin ASes present in the Internet Routing Table: 13542 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4034 APNIC Region transit ASes present in the Internet Routing Table: 1804 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8928 Number of APNIC addresses announced to Internet: 772206080 Equivalent to 46 /8s, 6 /16s and 238 /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: 270846 Total ARIN prefixes after maximum aggregation: 123371 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273756 Unique aggregates announced from the ARIN address blocks: 131539 ARIN Region origin ASes present in the Internet Routing Table: 19035 ARIN Prefixes per ASN: 14.38 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1883 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1278998016 Equivalent to 76 /8s, 59 /16s and 246 /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: 260596 Total RIPE prefixes after maximum aggregation: 123138 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256324 Unique aggregates announced from the RIPE address blocks: 160056 RIPE Region origin ASes present in the Internet Routing Table: 28371 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3894 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11303 Number of RIPE addresses announced to Internet: 716537856 Equivalent to 42 /8s, 181 /16s and 128 /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: 118519 Total LACNIC prefixes after maximum aggregation: 28312 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117523 Unique aggregates announced from the LACNIC address blocks: 49263 LACNIC Region origin ASes present in the Internet Routing Table: 11023 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2700 LACNIC Region transit ASes present in the Internet Routing Table: 2327 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8837 Number of LACNIC addresses announced to Internet: 178446592 Equivalent to 10 /8s, 162 /16s and 225 /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: 30186 Total AfriNIC prefixes after maximum aggregation: 5966 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39330 Unique aggregates announced from the AfriNIC address blocks: 12820 AfriNIC Region origin ASes present in the Internet Routing Table: 1783 AfriNIC Prefixes per ASN: 22.06 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1127 Number of AfriNIC addresses announced to Internet: 107788288 Equivalent to 6 /8s, 108 /16s and 184 /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 9481 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5727 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3321 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3148 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2501 848 390 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 201 TATACOMM-AS TATA Communications formerl 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 9068 10992 3247 AMAZON-02, US 11492 4512 299 673 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3544 3040 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 16625 2994 1437 2269 AKAMAI-AS, US 367 2969 3826 1397 DNIC-ASBLK-00306-00371, US 396982 2692 3596 389 GOOGLE-CLOUD-PLATFORM, US 30036 2490 356 390 MEDIACOM-ENTERPRISE-BUSINESS, 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 7356 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4055 3398 152 AKAMAI-ASN1, NL 8551 3451 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2902 2296 912 ROSTELECOM-AS, RU 9009 2721 253 1387 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1720 918 550 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1495 100 1164 ASDETUK www.heficed.com, US 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 11808 3368 602 UNINET, MX 10620 3539 506 850 Telmex Colombia S.A., CO 13999 2402 342 625 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1324 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1127 183 427 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 22 Telefonica del Peru S.A.A., PE 26615 1029 2501 49 TIM SA, BR 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 1612 393 19 LINKdotNET-AS, EG 24835 1534 533 27 RAYA-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 914 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 526 55 49 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 24757 465 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 11808 3368 602 UNINET, MX 9808 9481 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9068 10992 3247 AMAZON-02, US 12479 7356 1713 145 UNI2-AS, ES 7545 5727 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4512 299 673 CABLEONE, US 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4055 3398 152 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 9481 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7356 7211 UNI2-AS, ES 16509 9068 5821 AMAZON-02, US 7545 5727 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4353 4328 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4055 3903 AKAMAI-ASN1, NL 11492 4512 3839 CABLEONE, US 7552 3730 3710 VIETEL-AS-AP Viettel Group, VN 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 11168 SCC, 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 6461 ZAYO-6461, 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 23.178.240.0/24 Origin: 399517 RESERVED, ZZ 23.178.240.0/24 Transit: 32425 SKB3-ARIN-BGP, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /10:38 /11:102 /12:297 /13:575 /14:1195 /15:2097 /16:13469 /17:8192 /18:13724 /19:24790 /20:43253 /21:50882 /22:109543 /23:98653 /24:555582 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6442 7356 UNI2-AS, ES 8151 5826 11808 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3424 4512 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2925 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2592 3544 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2102 3539 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2218 2:1406 3:259 4:5 5:4521 6:136 7:6 8:1504 9:1 11:172 12:1517 13:373 14:2309 15:304 16:193 17:369 18:640 20:283 21:4 22:188 23:6374 24:2485 25:6 27:2564 29:19 31:2522 32:77 34:26 35:114 36:1996 37:4536 38:5197 39:869 40:146 41:4046 42:2096 43:2267 44:319 45:16470 46:4275 47:374 49:1823 50:1881 51:597 52:1597 54:393 55:939 56:8 57:123 58:1801 59:1119 60:1002 61:2536 62:2674 63:1913 64:5632 65:2336 66:4875 67:3027 68:1340 69:4129 70:1191 71:657 72:2948 74:2594 75:1563 76:617 77:2298 78:1834 79:2989 80:2115 81:1837 82:1464 83:1284 84:1534 85:3041 86:766 87:1993 88:1167 89:3850 90:618 91:7808 92:2050 93:2620 94:3510 95:3998 96:1297 97:321 98:1081 99:735 100:90 101:1314 102:2904 103:32006 104:4604 105:561 106:891 107:2681 108:1122 109:4208 110:2128 111:3135 112:2063 113:1752 114:1665 115:1994 116:1898 117:2531 118:2703 119:1975 120:1775 121:1118 122:2581 123:2146 124:1580 125:2513 128:1411 129:915 130:1030 131:1954 132:847 133:408 134:1788 135:306 136:911 137:970 138:2630 139:1562 140:1174 141:1290 142:1502 143:1496 144:1002 145:346 146:1930 147:1586 148:2425 149:2256 150:870 151:1230 152:1981 153:522 154:5150 155:1380 156:1932 157:1326 158:1084 159:2242 160:2588 161:1585 162:3528 163:1585 164:1695 165:1855 166:1059 167:1731 168:3709 169:897 170:4639 171:895 172:3697 173:2952 174:977 175:1184 176:3763 177:4474 178:3499 179:2168 180:2488 181:3516 182:3319 183:2001 184:2282 185:20527 186:4706 187:4217 188:4157 189:3856 190:9199 191:1438 192:10940 193:8945 194:7298 195:5206 196:3196 197:2508 198:5906 199:6104 200:7862 201:6041 202:10187 203:9980 204:4542 205:3692 206:4304 207:3392 208:4134 209:4889 210:4197 211:2438 212:4252 213:3405 214:1093 215:58 216:6680 217:2780 218:1265 219:404 220:1802 221:981 222:666 223:2144 End of report