IPv4 R&E Routing Table Report 23:05 GMT Thu 04 May, 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: 913716 Prefixes after maximum aggregation (per Origin AS): 347010 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447780 Number of IPv4 prefixes with a valid ROA: 395619 Number of IPv4 prefixes with an invalid ROA: 1830 Number of IPv4 prefixes with no ROA: 516267 Total ASes present in the Internet Routing Table: 74210 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63734 Origin ASes announcing only one prefix: 26204 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 429 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1082 Number of instances of unregistered ASNs: 1083 Number of 32-bit ASNs allocated by the RIRs: 41787 Number of 32-bit ASNs visible in the Routing Table: 34486 Prefixes from 32-bit ASNs in the Routing Table: 169863 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 619 Number of addresses announced to Internet: 3058741504 Equivalent to 182 /8s, 80 /16s and 177 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306352 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237594 Total APNIC prefixes after maximum aggregation: 68430 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 232205 Unique aggregates announced from the APNIC address blocks: 97732 APNIC Region origin ASes present in the Internet Routing Table: 13318 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 3919 APNIC Region transit ASes present in the Internet Routing Table: 1776 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8687 Number of APNIC addresses announced to Internet: 772877568 Equivalent to 46 /8s, 17 /16s and 45 /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, 131072-151865 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: 268433 Total ARIN prefixes after maximum aggregation: 121697 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270681 Unique aggregates announced from the ARIN address blocks: 129905 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6977 ARIN Region transit ASes present in the Internet Routing Table: 1899 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4777 Number of ARIN addresses announced to Internet: 1283212288 Equivalent to 76 /8s, 124 /16s and 68 /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: 259369 Total RIPE prefixes after maximum aggregation: 122071 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255388 Unique aggregates announced from the RIPE address blocks: 158114 RIPE Region origin ASes present in the Internet Routing Table: 28321 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12072 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11164 Number of RIPE addresses announced to Internet: 718094080 Equivalent to 42 /8s, 205 /16s and 63 /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: 117810 Total LACNIC prefixes after maximum aggregation: 28215 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117093 Unique aggregates announced from the LACNIC address blocks: 49328 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2630 LACNIC Region transit ASes present in the Internet Routing Table: 2287 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8775 Number of LACNIC addresses announced to Internet: 176608256 Equivalent to 10 /8s, 134 /16s and 212 /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: 29428 Total AfriNIC prefixes after maximum aggregation: 5812 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37730 Unique aggregates announced from the AfriNIC address blocks: 12191 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 606 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1083 Number of AfriNIC addresses announced to Internet: 107554816 Equivalent to 6 /8s, 105 /16s and 40 /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 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5722 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4054 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2949 490 235 BBIL-AP BHARTI Airtel Ltd., IN 24560 2384 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2177 442 196 TATACOMM-AS TATA Communications formerl 18403 2155 347 25 FPT-AS-AP FPT Telecom Company, VN 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 8270 10781 2935 AMAZON-02, US 11492 4531 300 613 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3583 3058 282 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 16625 3164 1576 2353 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 7018 2519 24151 1578 ATT-INTERNET4, US 30036 2504 360 437 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 7277 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4080 3399 163 AKAMAI-ASN1, NL 8551 3886 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 909 ROSTELECOM-AS, RU 9009 2702 250 1392 M247, RO 34984 2274 359 611 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1853 950 535 TCI, IR 13188 1607 100 18 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 11266 3328 602 Uninet S.A. de C.V., MX 10620 3509 507 854 Telmex Colombia S.A., CO 13999 2341 359 621 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 1591 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1018 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 521 54 46 WANANCHI-, KE 24757 490 73 5 EthioNet-AS, ET 37342 489 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 11266 3328 602 Uninet S.A. de C.V., MX 9808 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8270 10781 2935 AMAZON-02, US 12479 7277 1707 141 UNI2-AS, ES 7545 5722 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4531 300 613 CABLEONE, US 20940 4080 3399 163 AKAMAI-ASN1, NL 45899 4054 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 3975 281 51 VIASAT-SP-BACKBONE, US 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 9463 9426 CHINAMOBILE-CN China Mobile Communications Grou 12479 7277 7136 UNI2-AS, ES 16509 8270 5335 AMAZON-02, US 7545 5722 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4054 4007 VNPT-AS-VN VNPT Corp, VN 7155 3975 3924 VIASAT-SP-BACKBONE, US 11492 4531 3918 CABLEONE, US 20940 4080 3917 AKAMAI-ASN1, NL 8551 3886 3849 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 /11:105 /12:301 /13:577 /14:1195 /15:2081 /16:13421 /17:8149 /18:14141 /19:24838 /20:43098 /21:50878 /22:108884 /23:97013 /24:548958 /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 6337 7277 UNI2-AS, ES 8151 5213 11266 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3440 4531 CABLEONE, US 8551 3358 3886 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2651 3583 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3509 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) ---------------------------------------------- 1:1789 2:1294 3:175 4:5 5:4520 6:127 7:6 8:1512 9:1 11:172 12:1535 13:387 14:2323 15:300 16:182 17:373 18:421 20:256 21:4 22:188 23:6241 24:2594 25:6 27:2489 29:19 31:2497 32:74 34:11 35:106 36:1950 37:4690 38:4550 39:827 40:150 41:3933 42:1233 43:2333 44:309 45:16480 46:4263 47:357 49:1735 50:1816 51:573 52:1592 54:389 55:863 56:8 57:114 58:1705 59:1102 60:988 61:2471 62:2641 63:1922 64:5639 65:2325 66:4965 67:2995 68:1353 69:4087 70:1231 71:671 72:2979 74:2607 75:1482 76:610 77:2444 78:1800 79:3174 80:2129 81:1772 82:1496 83:1275 84:1503 85:2959 86:767 87:2019 88:1164 89:3678 90:610 91:7739 92:2070 93:2621 94:3619 95:4000 96:1310 97:335 98:1154 99:745 100:73 101:1308 102:2702 103:31219 104:4639 105:488 106:937 107:2520 108:1019 109:4409 110:2100 111:3093 112:2030 113:1579 114:1639 115:2009 116:1902 117:2561 118:2373 119:2007 120:1795 121:1060 122:2582 123:2165 124:1572 125:2460 128:1321 129:1077 130:1006 131:2001 132:849 133:422 134:1896 135:304 136:878 137:947 138:2559 139:1553 140:1237 141:1456 142:1431 143:1497 144:1146 145:345 146:1932 147:1575 148:2534 149:2213 150:878 151:1160 152:1925 153:489 154:4380 155:1446 156:1776 157:1311 158:1058 159:2313 160:2542 161:1528 162:3507 163:1510 164:1609 165:1726 166:1014 167:1725 168:3841 169:939 170:4564 171:882 172:3535 173:2924 174:1067 175:1173 176:3651 177:4574 178:3592 179:2158 180:2601 181:3466 182:3345 183:1977 184:2355 185:20205 186:4791 187:3970 188:4028 189:3561 190:9157 191:1432 192:10919 193:8859 194:7308 195:5150 196:3188 197:2376 198:5863 199:6093 200:7936 201:5879 202:10299 203:10232 204:4577 205:3664 206:4248 207:3379 208:4067 209:4825 210:4164 211:2403 212:4155 213:3584 214:1088 215:59 216:6643 217:2686 218:1273 219:406 220:1772 221:974 222:711 223:2145 End of report