IPv4 R&E Routing Table Report 23:05 GMT Wed 12 Jul, 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: 919174 Prefixes after maximum aggregation (per Origin AS): 349598 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451469 Number of IPv4 prefixes with a valid ROA: 411266 Number of IPv4 prefixes with an invalid ROA: 1681 Number of IPv4 prefixes with no ROA: 506227 Total ASes present in the Internet Routing Table: 74389 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63916 Origin ASes announcing only one prefix: 26286 Transit ASes present in the Internet Routing Table: 10473 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 73 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: 1057 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 42266 Number of 32-bit ASNs visible in the Routing Table: 34731 Prefixes from 32-bit ASNs in the Routing Table: 172593 Number of bogon 32-bit ASNs visible in the Routing Table: 114 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 554 Number of addresses announced to Internet: 3052844288 Equivalent to 181 /8s, 246 /16s and 181 /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: 99.6 Total number of prefixes smaller than registry allocations: 307783 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239904 Total APNIC prefixes after maximum aggregation: 69005 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233693 Unique aggregates announced from the APNIC address blocks: 98526 APNIC Region origin ASes present in the Internet Routing Table: 13410 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 3971 APNIC Region transit ASes present in the Internet Routing Table: 1786 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8797 Number of APNIC addresses announced to Internet: 772982784 Equivalent to 46 /8s, 18 /16s and 200 /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: 269751 Total ARIN prefixes after maximum aggregation: 122995 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272272 Unique aggregates announced from the ARIN address blocks: 130644 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1900 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: 4797 Number of ARIN addresses announced to Internet: 1276867584 Equivalent to 76 /8s, 27 /16s and 116 /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: 260092 Total RIPE prefixes after maximum aggregation: 122600 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256473 Unique aggregates announced from the RIPE address blocks: 159598 RIPE Region origin ASes present in the Internet Routing Table: 28331 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 3945 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: 11222 Number of RIPE addresses announced to Internet: 716668160 Equivalent to 42 /8s, 183 /16s and 125 /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: 118633 Total LACNIC prefixes after maximum aggregation: 28396 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117786 Unique aggregates announced from the LACNIC address blocks: 49576 LACNIC Region origin ASes present in the Internet Routing Table: 11010 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2318 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: 8802 Number of LACNIC addresses announced to Internet: 178462720 Equivalent to 10 /8s, 163 /16s and 32 /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: 29737 Total AfriNIC prefixes after maximum aggregation: 5880 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38396 Unique aggregates announced from the AfriNIC address blocks: 12670 AfriNIC Region origin ASes present in the Internet Routing Table: 1764 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 617 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1113 Number of AfriNIC addresses announced to Internet: 107530752 Equivalent to 6 /8s, 104 /16s and 202 /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 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3692 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3557 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 3043 497 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2443 836 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 199 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 8714 10907 3117 AMAZON-02, US 11492 4509 299 628 CABLEONE, US 7155 4170 288 86 VIASAT-SP-BACKBONE, US 22773 3539 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3142 54962 2394 DNIC-AS-00749, US 16625 3140 1556 2355 AKAMAI-AS, US 367 2743 3748 1319 DNIC-ASBLK-00306-00371, US 396982 2675 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2503 361 401 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 7297 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4084 3398 160 AKAMAI-ASN1, NL 8551 3466 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2653 246 1378 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1800 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11583 3392 592 UNINET, MX 10620 3529 507 840 Telmex Colombia S.A., CO 13999 2408 360 632 Mega Cable, S.A. de C.V., MX 11830 2223 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 239 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1105 177 438 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 466 32 1 MOVITEL, MZ 24757 457 73 5 EthioNet-AS, ET 15399 442 54 47 WANANCHI-, 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 11583 3392 592 UNINET, MX 9808 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8714 10907 3117 AMAZON-02, US 12479 7297 1706 141 UNI2-AS, ES 7545 5677 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4509 299 628 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4170 288 86 VIASAT-SP-BACKBONE, US 20940 4084 3398 160 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 9516 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7297 7156 UNI2-AS, ES 16509 8714 5597 AMAZON-02, US 7545 5677 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 7155 4170 4084 VIASAT-SP-BACKBONE, US 20940 4084 3924 AKAMAI-ASN1, NL 11492 4509 3881 CABLEONE, US 7552 3692 3671 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.157.184.0/24 Origin: 212722 HOOP7MOBTELECOM-AS, US 23.157.184.0/24 Transit: 35661 VIRTUA-SYSTEMS, FR 23.157.200.0/24 Origin: 46983 UNASSIGNED 23.157.200.0/24 Transit: 20473 AS-CHOOPA, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /11:103 /12:296 /13:574 /14:1198 /15:2105 /16:13421 /17:8182 /18:13726 /19:24867 /20:43230 /21:51078 /22:109280 /23:98106 /24:552931 /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 6385 7297 UNI2-AS, ES 8151 5496 11583 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3420 4509 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3119 4170 VIASAT-SP-BACKBONE, US 8551 2935 3466 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2609 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3529 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) ---------------------------------------------- 1:2173 2:1347 3:231 4:5 5:4507 6:130 7:6 8:1512 9:1 11:172 12:1518 13:387 14:2305 15:301 16:194 17:372 18:509 20:268 21:4 22:188 23:6350 24:2586 25:6 27:2513 29:19 31:2527 32:77 34:25 35:111 36:1961 37:4692 38:4981 39:829 40:152 41:3879 42:2000 43:2298 44:303 45:16538 46:4343 47:375 49:1765 50:1853 51:586 52:1589 54:396 55:978 56:8 57:120 58:1815 59:1096 60:985 61:2502 62:2655 63:1898 64:5585 65:2316 66:4942 67:3042 68:1342 69:4071 70:1201 71:675 72:2977 74:2609 75:1564 76:612 77:2442 78:1815 79:2975 80:2116 81:1789 82:1489 83:1257 84:1523 85:2983 86:762 87:2007 88:1175 89:3813 90:614 91:7778 92:2040 93:2597 94:3570 95:4043 96:1309 97:340 98:1140 99:735 100:94 101:1311 102:2848 103:31592 104:4556 105:505 106:876 107:2554 108:1088 109:4235 110:2096 111:3124 112:2016 113:1743 114:1631 115:1978 116:1900 117:2575 118:2616 119:1978 120:1792 121:1076 122:2590 123:2129 124:1573 125:2462 128:1400 129:1042 130:1006 131:1981 132:843 133:422 134:1795 135:306 136:890 137:950 138:2541 139:1568 140:1223 141:1319 142:1462 143:1505 144:1001 145:341 146:1946 147:1577 148:2407 149:2144 150:877 151:1164 152:1950 153:496 154:4650 155:1370 156:1808 157:1316 158:1084 159:2261 160:2589 161:1550 162:3505 163:1548 164:1609 165:1874 166:1057 167:1722 168:3841 169:944 170:4609 171:886 172:3624 173:2955 174:1088 175:1178 176:3711 177:4514 178:3599 179:2171 180:2458 181:3484 182:3395 183:1999 184:2320 185:20447 186:4780 187:4073 188:4094 189:3731 190:9238 191:1372 192:10892 193:8934 194:7313 195:5138 196:3189 197:2373 198:5897 199:6097 200:7970 201:5929 202:10249 203:10096 204:4555 205:3686 206:4270 207:3372 208:4118 209:4880 210:4186 211:2440 212:4245 213:3583 214:1082 215:59 216:6633 217:2755 218:1275 219:414 220:1763 221:964 222:683 223:2154 End of report