IPv4 R&E Routing Table Report 23:05 GMT Sun 14 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: 916246 Prefixes after maximum aggregation (per Origin AS): 347737 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448558 Number of IPv4 prefixes with a valid ROA: 398510 Number of IPv4 prefixes with an invalid ROA: 1781 Number of IPv4 prefixes with no ROA: 515955 Total ASes present in the Internet Routing Table: 74266 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63782 Origin ASes announcing only one prefix: 26236 Transit ASes present in the Internet Routing Table: 10484 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: 41869 Number of 32-bit ASNs visible in the Routing Table: 34526 Prefixes from 32-bit ASNs in the Routing Table: 170679 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: 619 Number of addresses announced to Internet: 3056384256 Equivalent to 182 /8s, 44 /16s and 185 /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: 307141 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239479 Total APNIC prefixes after maximum aggregation: 68517 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 233742 Unique aggregates announced from the APNIC address blocks: 97859 APNIC Region origin ASes present in the Internet Routing Table: 13336 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3933 APNIC Region transit ASes present in the Internet Routing Table: 1782 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: 8703 Number of APNIC addresses announced to Internet: 772928256 Equivalent to 46 /8s, 17 /16s and 243 /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: 268595 Total ARIN prefixes after maximum aggregation: 122027 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271116 Unique aggregates announced from the ARIN address blocks: 130106 ARIN Region origin ASes present in the Internet Routing Table: 19065 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6992 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: 4783 Number of ARIN addresses announced to Internet: 1280547072 Equivalent to 76 /8s, 83 /16s and 153 /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: 259938 Total RIPE prefixes after maximum aggregation: 122321 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255990 Unique aggregates announced from the RIPE address blocks: 158476 RIPE Region origin ASes present in the Internet Routing Table: 28321 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 3981 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11179 Number of RIPE addresses announced to Internet: 718171648 Equivalent to 42 /8s, 206 /16s and 110 /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: 117864 Total LACNIC prefixes after maximum aggregation: 28238 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117165 Unique aggregates announced from the LACNIC address blocks: 49354 LACNIC Region origin ASes present in the Internet Routing Table: 10988 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2289 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8779 Number of LACNIC addresses announced to Internet: 176711936 Equivalent to 10 /8s, 136 /16s and 105 /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: 29266 Total AfriNIC prefixes after maximum aggregation: 5835 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37614 Unique aggregates announced from the AfriNIC address blocks: 12248 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1082 Number of AfriNIC addresses announced to Internet: 107615488 Equivalent to 6 /8s, 106 /16s and 21 /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 4056 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3676 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3574 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 18403 3280 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 2957 491 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2394 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2183 442 197 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 8275 10776 2945 AMAZON-02, US 11492 4470 296 724 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 2484 24146 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 7298 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4080 3399 163 AKAMAI-ASN1, NL 8551 3883 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2292 910 ROSTELECOM-AS, RU 9009 2713 251 1398 M247, RO 34984 2273 359 613 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 1604 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 516 54 46 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 466 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 11279 3327 610 Uninet S.A. de C.V., MX 9808 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8275 10776 2945 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 4470 296 724 CABLEONE, US 20940 4080 3399 163 AKAMAI-ASN1, NL 45899 4056 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 8275 5330 AMAZON-02, US 7545 5720 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4056 4009 VNPT-AS-VN VNPT Corp, VN 7155 4011 3960 VIASAT-SP-BACKBONE, US 20940 4080 3917 AKAMAI-ASN1, NL 8551 3883 3846 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4470 3746 CABLEONE, US 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 /13:576 /14:1196 /15:2082 /16:13420 /17:8131 /18:14156 /19:24854 /20:43109 /21:50936 /22:109016 /23:97671 /24:550617 /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 3401 4470 CABLEONE, US 8551 3355 3883 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) ---------------------------------------------- 1:2010 2:1306 3:174 4:5 5:4546 6:128 7:6 8:1503 9:1 11:172 12:1537 13:382 14:2325 15:300 16:187 17:372 18:421 20:258 21:4 22:188 23:6229 24:2580 25:6 27:2486 29:19 31:2493 32:76 34:12 35:106 36:1965 37:4700 38:4570 39:842 40:151 41:3924 42:1625 43:2327 44:309 45:16492 46:4292 47:358 49:1738 50:1833 51:569 52:1599 54:394 55:774 56:8 57:115 58:1768 59:1101 60:987 61:2511 62:2681 63:1917 64:5677 65:2318 66:5004 67:2996 68:1345 69:4094 70:1247 71:670 72:2987 74:2607 75:1552 76:609 77:2438 78:1802 79:3172 80:2131 81:1778 82:1497 83:1282 84:1507 85:2980 86:768 87:2027 88:1150 89:3674 90:616 91:7740 92:2066 93:2619 94:3626 95:4014 96:1311 97:337 98:1151 99:744 100:73 101:1305 102:2691 103:31294 104:4645 105:487 106:938 107:2521 108:1039 109:4409 110:2102 111:3111 112:2029 113:1652 114:1645 115:1998 116:1890 117:2563 118:2486 119:2003 120:1794 121:1062 122:2591 123:2130 124:1568 125:2462 128:1344 129:1078 130:1015 131:1965 132:843 133:422 134:1921 135:304 136:875 137:952 138:2558 139:1555 140:1243 141:1463 142:1436 143:1508 144:1162 145:346 146:1943 147:1579 148:2335 149:2226 150:875 151:1158 152:1934 153:487 154:4398 155:1449 156:1766 157:1307 158:1068 159:2298 160:2527 161:1529 162:3507 163:1513 164:1603 165:1748 166:1044 167:1721 168:3841 169:932 170:4570 171:878 172:3550 173:2903 174:1074 175:1173 176:3689 177:4570 178:3598 179:2161 180:2604 181:3478 182:3350 183:2045 184:2342 185:20243 186:4746 187:3981 188:4097 189:3575 190:9164 191:1443 192:10905 193:8880 194:7311 195:5157 196:3174 197:2363 198:5894 199:6096 200:7938 201:5904 202:10367 203:10289 204:4563 205:3676 206:4236 207:3388 208:4079 209:4846 210:4164 211:2415 212:4174 213:3607 214:1093 215:59 216:6643 217:2698 218:1273 219:408 220:1764 221:974 222:713 223:2148 End of report