IPv4 R&E Routing Table Report 23:05 GMT Sat 13 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: 915207 Prefixes after maximum aggregation (per Origin AS): 347560 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448662 Number of IPv4 prefixes with a valid ROA: 397284 Number of IPv4 prefixes with an invalid ROA: 1801 Number of IPv4 prefixes with no ROA: 516122 Total ASes present in the Internet Routing Table: 74249 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63768 Origin ASes announcing only one prefix: 26218 Transit ASes present in the Internet Routing Table: 10481 Transit-only ASes present in the Internet Routing Table: 432 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1104 Number of instances of unregistered ASNs: 1104 Number of 32-bit ASNs allocated by the RIRs: 41860 Number of 32-bit ASNs visible in the Routing Table: 34515 Prefixes from 32-bit ASNs in the Routing Table: 170683 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 618 Number of addresses announced to Internet: 3055568896 Equivalent to 182 /8s, 32 /16s and 72 /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: 307126 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238609 Total APNIC prefixes after maximum aggregation: 68533 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232862 Unique aggregates announced from the APNIC address blocks: 97902 APNIC Region origin ASes present in the Internet Routing Table: 13341 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 3931 APNIC Region transit ASes present in the Internet Routing Table: 1785 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: 8708 Number of APNIC addresses announced to Internet: 772870400 Equivalent to 46 /8s, 17 /16s and 17 /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: 268673 Total ARIN prefixes after maximum aggregation: 121873 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271204 Unique aggregates announced from the ARIN address blocks: 130203 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6986 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: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4779 Number of ARIN addresses announced to Internet: 1280709632 Equivalent to 76 /8s, 86 /16s and 20 /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: 259913 Total RIPE prefixes after maximum aggregation: 122306 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255962 Unique aggregates announced from the RIPE address blocks: 158454 RIPE Region origin ASes present in the Internet Routing Table: 28314 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12060 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 11169 Number of RIPE addresses announced to Internet: 718164224 Equivalent to 42 /8s, 206 /16s and 81 /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: 117792 Total LACNIC prefixes after maximum aggregation: 28235 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117096 Unique aggregates announced from the LACNIC address blocks: 49353 LACNIC Region origin ASes present in the Internet Routing Table: 10985 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2636 LACNIC Region transit ASes present in the Internet Routing Table: 2285 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: 8778 Number of LACNIC addresses announced to Internet: 176699904 Equivalent to 10 /8s, 136 /16s and 58 /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: 29116 Total AfriNIC prefixes after maximum aggregation: 5814 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 37465 Unique aggregates announced from the AfriNIC address blocks: 12236 AfriNIC Region origin ASes present in the Internet Routing Table: 1731 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1081 Number of AfriNIC addresses announced to Internet: 106715392 Equivalent to 6 /8s, 92 /16s and 89 /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 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5720 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3676 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3577 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2957 491 238 BBIL-AP BHARTI Airtel Ltd., IN 18403 2434 347 25 FPT-AS-AP FPT Telecom Company, VN 24560 2394 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2180 442 196 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 8298 10781 2929 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4011 281 51 VIASAT-SP-BACKBONE, US 22773 3581 3057 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 16625 3103 1568 2351 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2641 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2497 360 466 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2486 24146 1559 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 7298 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4080 3399 163 AKAMAI-ASN1, NL 8551 3884 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2292 910 ROSTELECOM-AS, RU 9009 2713 251 1398 M247, RO 34984 2279 360 611 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1850 949 534 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 11279 3327 610 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2350 361 620 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 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 1601 393 19 LINKdotNET-AS, EG 24835 1499 533 30 RAYA-AS, EG 36992 1339 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 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 11279 3327 610 Uninet S.A. de C.V., MX 9808 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8298 10781 2929 AMAZON-02, US 12479 7298 1707 141 UNI2-AS, ES 7545 5720 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4535 300 609 CABLEONE, US 20940 4080 3399 163 AKAMAI-ASN1, NL 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 4011 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 9469 9432 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7157 UNI2-AS, ES 16509 8298 5369 AMAZON-02, US 7545 5720 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 7155 4011 3960 VIASAT-SP-BACKBONE, US 11492 4535 3926 CABLEONE, US 20940 4080 3917 AKAMAI-ASN1, NL 8551 3884 3847 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 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 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 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 /11:104 /12:301 /13:575 /14:1194 /15:2080 /16:13414 /17:8136 /18:14154 /19:24845 /20:43076 /21:50926 /22:108948 /23:97510 /24:549867 /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 6362 7298 UNI2-AS, ES 8151 5236 11279 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3443 4535 CABLEONE, US 8551 3356 3884 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3525 SHAW, CA 7155 3069 4011 VIASAT-SP-BACKBONE, US 22773 2650 3581 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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) ---------------------------------------------- 1:1848 2:1306 3:174 4:5 5:4543 6:128 7:6 8:1516 9:1 11:172 12:1537 13:385 14:2328 15:300 16:187 17:372 18:421 20:258 21:4 22:188 23:6227 24:2590 25:6 27:2486 29:19 31:2485 32:76 34:12 35:106 36:1968 37:4700 38:4569 39:842 40:151 41:3902 42:1319 43:2330 44:308 45:16489 46:4319 47:358 49:1737 50:1833 51:567 52:1600 54:394 55:774 56:8 57:116 58:1731 59:1102 60:987 61:2512 62:2681 63:1916 64:5673 65:2318 66:5004 67:2994 68:1345 69:4099 70:1247 71:670 72:2991 74:2608 75:1552 76:609 77:2447 78:1801 79:3173 80:2128 81:1776 82:1496 83:1282 84:1511 85:2982 86:768 87:2028 88:1157 89:3686 90:616 91:7744 92:2067 93:2618 94:3620 95:4015 96:1311 97:337 98:1151 99:744 100:73 101:1305 102:2708 103:31311 104:4647 105:488 106:934 107:2525 108:1039 109:4413 110:2104 111:3111 112:2029 113:1596 114:1647 115:1998 116:1890 117:2564 118:2386 119:2003 120:1794 121:1059 122:2589 123:2130 124:1568 125:2462 128:1344 129:1078 130:1015 131:2003 132:845 133:422 134:1922 135:304 136:873 137:953 138:2561 139:1552 140:1243 141:1450 142:1433 143:1511 144:1160 145:346 146:1941 147:1577 148:2334 149:2232 150:874 151:1158 152:1934 153:487 154:4397 155:1448 156:1770 157:1307 158:1069 159:2301 160:2539 161:1528 162:3506 163:1512 164:1605 165:1747 166:1039 167:1722 168:3841 169:932 170:4561 171:880 172:3553 173:2923 174:1074 175:1172 176:3689 177:4576 178:3596 179:2160 180:2604 181:3462 182:3352 183:1995 184:2348 185:20217 186:4737 187:3983 188:4095 189:3563 190:9156 191:1441 192:10908 193:8876 194:7301 195:5157 196:3135 197:2358 198:5890 199:6090 200:7922 201:5908 202:10357 203:10287 204:4566 205:3670 206:4235 207:3382 208:4083 209:4842 210:4163 211:2415 212:4148 213:3612 214:1093 215:59 216:6645 217:2695 218:1273 219:408 220:1763 221:974 222:713 223:2147 End of report