IPv4 R&E Routing Table Report 23:05 GMT Thu 22 Jun, 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: 919552 Prefixes after maximum aggregation (per Origin AS): 349451 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450959 Number of IPv4 prefixes with a valid ROA: 408315 Number of IPv4 prefixes with an invalid ROA: 1728 Number of IPv4 prefixes with no ROA: 509509 Total ASes present in the Internet Routing Table: 74383 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63889 Origin ASes announcing only one prefix: 26264 Transit ASes present in the Internet Routing Table: 10494 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 1024 Number of instances of unregistered ASNs: 1031 Number of 32-bit ASNs allocated by the RIRs: 42127 Number of 32-bit ASNs visible in the Routing Table: 34684 Prefixes from 32-bit ASNs in the Routing Table: 172211 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 564 Number of addresses announced to Internet: 3054823424 Equivalent to 182 /8s, 20 /16s and 232 /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: 308011 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240386 Total APNIC prefixes after maximum aggregation: 68814 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234457 Unique aggregates announced from the APNIC address blocks: 98529 APNIC Region origin ASes present in the Internet Routing Table: 13391 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3951 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8775 Number of APNIC addresses announced to Internet: 773265408 Equivalent to 46 /8s, 23 /16s and 24 /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: 270003 Total ARIN prefixes after maximum aggregation: 122911 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272520 Unique aggregates announced from the ARIN address blocks: 130730 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 6995 ARIN Region transit ASes present in the Internet Routing Table: 1898 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: 4800 Number of ARIN addresses announced to Internet: 1279451904 Equivalent to 76 /8s, 66 /16s and 227 /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: 260060 Total RIPE prefixes after maximum aggregation: 122769 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256189 Unique aggregates announced from the RIPE address blocks: 159300 RIPE Region origin ASes present in the Internet Routing Table: 28325 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3973 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: 11207 Number of RIPE addresses announced to Internet: 717449472 Equivalent to 42 /8s, 195 /16s and 105 /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: 118450 Total LACNIC prefixes after maximum aggregation: 28388 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117564 Unique aggregates announced from the LACNIC address blocks: 49523 LACNIC Region origin ASes present in the Internet Routing Table: 11010 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2306 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: 176944640 Equivalent to 10 /8s, 139 /16s and 246 /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: 29629 Total AfriNIC prefixes after maximum aggregation: 5842 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38258 Unique aggregates announced from the AfriNIC address blocks: 12416 AfriNIC Region origin ASes present in the Internet Routing Table: 1748 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1100 Number of AfriNIC addresses announced to Internet: 107385088 Equivalent to 6 /8s, 102 /16s and 145 /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 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5672 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4227 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3674 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3037 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2431 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2298 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2189 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 8543 10869 3126 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4150 288 85 VIASAT-SP-BACKBONE, US 22773 3543 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3131 1560 2354 AKAMAI-AS, US 749 3125 54969 2377 DNIC-AS-00749, US 396982 2665 3594 377 GOOGLE-CLOUD-PLATFORM, US 30036 2511 361 390 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2453 24006 1557 ATT-INTERNET4, 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 7308 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4088 3398 161 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2291 910 ROSTELECOM-AS, RU 9009 2664 247 1383 M247, RO 34984 2297 360 605 TELLCOM-AS, TR 6849 1971 307 17 UKRTELNET, UA 58224 1828 946 537 TCI, IR 61317 1644 110 1277 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 11451 3374 593 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2359 353 634 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 343 511 Axtel, S.A.B. de C.V., MX 3816 1300 767 166 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 439 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 1581 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1039 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 524 54 46 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 478 32 1 MOVITEL, MZ 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 11451 3374 593 UNINET, MX 9808 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8543 10869 3126 AMAZON-02, US 12479 7308 1706 141 UNI2-AS, ES 7545 5672 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4227 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4150 288 85 VIASAT-SP-BACKBONE, US 20940 4088 3398 161 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 9501 9464 CHINAMOBILE-CN China Mobile Communications Grou 12479 7308 7167 UNI2-AS, ES 16509 8543 5417 AMAZON-02, US 7545 5672 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4227 4202 FPT-AS-AP FPT Telecom Company, VN 7155 4150 4065 VIASAT-SP-BACKBONE, US 20940 4088 3927 AKAMAI-ASN1, NL 11492 4524 3921 CABLEONE, US 7552 3674 3653 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 46887 LIGHTOWER, 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 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 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 /11:103 /12:300 /13:578 /14:1199 /15:2101 /16:13418 /17:8169 /18:13723 /19:24858 /20:42929 /21:51053 /22:109389 /23:98064 /24:553591 /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 6396 7308 UNI2-AS, ES 8151 5373 11451 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3110 4150 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2614 3543 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2168 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2167 2:1305 3:211 4:5 5:4530 6:131 7:6 8:1505 9:1 11:172 12:1523 13:386 14:2305 15:304 16:190 17:371 18:466 20:262 21:4 22:188 23:6306 24:2594 25:6 27:2522 29:19 31:2509 32:78 34:22 35:111 36:1981 37:4665 38:4890 39:845 40:151 41:3930 42:2006 43:2308 44:309 45:16549 46:4281 47:377 49:1747 50:1867 51:585 52:1594 54:394 55:977 56:8 57:120 58:1817 59:1110 60:981 61:2549 62:2668 63:1909 64:5637 65:2312 66:5011 67:3060 68:1352 69:4127 70:1213 71:675 72:2986 74:2616 75:1563 76:614 77:2450 78:1811 79:2990 80:2121 81:1794 82:1492 83:1260 84:1515 85:2996 86:747 87:2016 88:1175 89:3734 90:616 91:7753 92:2046 93:2603 94:3620 95:4034 96:1313 97:336 98:1134 99:737 100:93 101:1311 102:2789 103:31581 104:4605 105:503 106:959 107:2574 108:1050 109:4191 110:2099 111:3118 112:2050 113:1727 114:1619 115:1981 116:1898 117:2560 118:2604 119:1984 120:1798 121:1077 122:2606 123:2130 124:1573 125:2478 128:1401 129:1045 130:1006 131:1964 132:849 133:422 134:1797 135:308 136:890 137:946 138:2578 139:1548 140:1258 141:1451 142:1452 143:1491 144:1122 145:340 146:1939 147:1580 148:2389 149:2208 150:882 151:1157 152:1947 153:491 154:4597 155:1418 156:1812 157:1314 158:1082 159:2269 160:2566 161:1552 162:3510 163:1539 164:1615 165:1854 166:1087 167:1716 168:3839 169:948 170:4582 171:899 172:3600 173:2965 174:1072 175:1177 176:3749 177:4584 178:3614 179:2144 180:2472 181:3491 182:3398 183:2071 184:2337 185:20383 186:4823 187:3996 188:4100 189:3682 190:9213 191:1448 192:10883 193:8916 194:7324 195:5161 196:3201 197:2386 198:5902 199:6085 200:7849 201:5925 202:10319 203:10259 204:4547 205:3690 206:4259 207:3387 208:4117 209:4890 210:4171 211:2436 212:4225 213:3619 214:1089 215:59 216:6684 217:2740 218:1275 219:412 220:1753 221:962 222:682 223:2171 End of report