IPv4 R&E Routing Table Report 23:05 GMT Tue 08 Aug, 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: 920440 Prefixes after maximum aggregation (per Origin AS): 350259 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452367 Number of IPv4 prefixes with a valid ROA: 415358 Number of IPv4 prefixes with an invalid ROA: 1538 Number of IPv4 prefixes with no ROA: 503544 Total ASes present in the Internet Routing Table: 74511 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64010 Origin ASes announcing only one prefix: 26278 Transit ASes present in the Internet Routing Table: 10501 Transit-only ASes present in the Internet Routing Table: 452 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 42399 Number of 32-bit ASNs visible in the Routing Table: 34864 Prefixes from 32-bit ASNs in the Routing Table: 173470 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 576 Number of addresses announced to Internet: 3052255488 Equivalent to 181 /8s, 237 /16s and 185 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 308038 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240271 Total APNIC prefixes after maximum aggregation: 69508 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234099 Unique aggregates announced from the APNIC address blocks: 98836 APNIC Region origin ASes present in the Internet Routing Table: 13486 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3980 APNIC Region transit ASes present in the Internet Routing Table: 1784 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8862 Number of APNIC addresses announced to Internet: 772802816 Equivalent to 46 /8s, 16 /16s and 9 /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: 270599 Total ARIN prefixes after maximum aggregation: 123327 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272592 Unique aggregates announced from the ARIN address blocks: 130846 ARIN Region origin ASes present in the Internet Routing Table: 19054 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1889 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4803 Number of ARIN addresses announced to Internet: 1276602880 Equivalent to 76 /8s, 23 /16s and 106 /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: 259958 Total RIPE prefixes after maximum aggregation: 122388 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256793 Unique aggregates announced from the RIPE address blocks: 159808 RIPE Region origin ASes present in the Internet Routing Table: 28364 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3958 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11278 Number of RIPE addresses announced to Internet: 716604672 Equivalent to 42 /8s, 182 /16s and 133 /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 196608-213403 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: 118651 Total LACNIC prefixes after maximum aggregation: 28414 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117743 Unique aggregates announced from the LACNIC address blocks: 49690 LACNIC Region origin ASes present in the Internet Routing Table: 11001 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2335 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8809 Number of LACNIC addresses announced to Internet: 178349824 Equivalent to 10 /8s, 161 /16s and 103 /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: 29901 Total AfriNIC prefixes after maximum aggregation: 5898 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38637 Unique aggregates announced from the AfriNIC address blocks: 12705 AfriNIC Region origin ASes present in the Internet Routing Table: 1767 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1112 Number of AfriNIC addresses announced to Internet: 107504896 Equivalent to 6 /8s, 104 /16s and 101 /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 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5688 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4242 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3652 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3591 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3062 498 246 BBIL-AP BHARTI Airtel Ltd., IN 45899 2959 1809 148 VNPT-AS-VN VNPT Corp, VN 24560 2479 843 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 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 8856 10944 3153 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3548 3053 285 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3089 1511 2325 AKAMAI-AS, US 367 2971 3824 1413 DNIC-ASBLK-00306-00371, US 396982 2683 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2497 358 407 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 7329 1709 143 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4077 3398 157 AKAMAI-ASN1, NL 8551 3457 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2293 912 ROSTELECOM-AS, RU 9009 2668 247 1392 M247, RO 34984 2318 362 603 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1559 103 1216 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 11636 3375 606 UNINET, MX 10620 3533 507 831 Telmex Colombia S.A., CO 13999 2423 361 635 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1314 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1301 767 173 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1103 179 435 Techtel LMDS Comunicaciones Interactiva 26615 1039 2500 48 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 463 32 1 MOVITEL, MZ 15399 457 54 47 WANANCHI-, KE 24757 440 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 11636 3375 606 UNINET, MX 9808 9519 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8856 10944 3153 AMAZON-02, US 12479 7329 1709 143 UNI2-AS, ES 7545 5688 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4242 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4077 3398 157 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 9519 9482 CHINAMOBILE-CN China Mobile Communications Grou 12479 7329 7186 UNI2-AS, ES 16509 8856 5703 AMAZON-02, US 7545 5688 5002 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4242 4217 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4077 3920 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3652 3631 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /12:296 /13:572 /14:1195 /15:2099 /16:13428 /17:8181 /18:13718 /19:24820 /20:42960 /21:50983 /22:109432 /23:98505 /24:554072 /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 6417 7329 UNI2-AS, ES 8151 5632 11636 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2926 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2603 3548 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3533 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) ---------------------------------------------- 1:2205 2:1338 3:231 4:5 5:4500 6:134 7:6 8:1519 9:1 11:172 12:1517 13:382 14:2286 15:302 16:194 17:374 18:597 20:276 21:4 22:188 23:6366 24:2476 25:6 27:2529 29:19 31:2525 32:78 34:26 35:111 36:1982 37:4657 38:5126 39:839 40:147 41:3967 42:2019 43:2317 44:314 45:16532 46:4282 47:384 49:1774 50:1858 51:585 52:1594 54:391 55:923 56:8 57:121 58:1820 59:1121 60:993 61:2500 62:2682 63:1918 64:5562 65:2292 66:4900 67:3005 68:1318 69:4089 70:1203 71:680 72:2973 74:2610 75:1576 76:615 77:2452 78:1834 79:2977 80:2113 81:1797 82:1495 83:1281 84:1520 85:2929 86:766 87:1996 88:1173 89:3857 90:617 91:7817 92:2059 93:2579 94:3547 95:4011 96:1294 97:319 98:1086 99:735 100:90 101:1315 102:2858 103:31907 104:4553 105:565 106:878 107:2550 108:1096 109:4247 110:2114 111:3130 112:2054 113:1741 114:1644 115:1990 116:1893 117:2578 118:2663 119:1972 120:1783 121:1083 122:2573 123:2144 124:1578 125:2480 128:1392 129:1038 130:1016 131:1968 132:841 133:422 134:1788 135:307 136:897 137:966 138:2640 139:1571 140:1239 141:1284 142:1462 143:1497 144:995 145:343 146:1944 147:1607 148:2410 149:2182 150:880 151:1170 152:1960 153:511 154:4678 155:1377 156:1893 157:1320 158:1082 159:2225 160:2606 161:1571 162:3512 163:1566 164:1701 165:1860 166:981 167:1734 168:3850 169:926 170:4597 171:896 172:3632 173:2970 174:994 175:1183 176:3735 177:4561 178:3576 179:2163 180:2443 181:3495 182:3404 183:1994 184:2300 185:20519 186:4753 187:4121 188:4120 189:3807 190:9206 191:1384 192:10923 193:8924 194:7285 195:5162 196:3181 197:2411 198:5918 199:6076 200:7935 201:5989 202:10240 203:10034 204:4531 205:3641 206:4243 207:3375 208:4127 209:4893 210:4196 211:2437 212:4248 213:3578 214:1089 215:60 216:6701 217:2760 218:1267 219:414 220:1797 221:968 222:664 223:2163 End of report