IPv4 R&E Routing Table Report 23:05 GMT Fri 12 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: 914474 Prefixes after maximum aggregation (per Origin AS): 347522 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448663 Number of IPv4 prefixes with a valid ROA: 396724 Number of IPv4 prefixes with an invalid ROA: 1791 Number of IPv4 prefixes with no ROA: 515959 Total ASes present in the Internet Routing Table: 74238 Prefixes per ASN: 12.32 Origin-only ASes present in the Internet Routing Table: 63743 Origin ASes announcing only one prefix: 26210 Transit ASes present in the Internet Routing Table: 10495 Transit-only ASes present in the Internet Routing Table: 428 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1106 Number of instances of unregistered ASNs: 1106 Number of 32-bit ASNs allocated by the RIRs: 41846 Number of 32-bit ASNs visible in the Routing Table: 34511 Prefixes from 32-bit ASNs in the Routing Table: 170712 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: 628 Number of addresses announced to Internet: 3056542464 Equivalent to 182 /8s, 47 /16s and 35 /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: 307069 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237836 Total APNIC prefixes after maximum aggregation: 68516 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 232079 Unique aggregates announced from the APNIC address blocks: 97851 APNIC Region origin ASes present in the Internet Routing Table: 13330 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3927 APNIC Region transit ASes present in the Internet Routing Table: 1787 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: 8698 Number of APNIC addresses announced to Internet: 772926976 Equivalent to 46 /8s, 17 /16s and 238 /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: 268610 Total ARIN prefixes after maximum aggregation: 121828 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271179 Unique aggregates announced from the ARIN address blocks: 130200 ARIN Region origin ASes present in the Internet Routing Table: 19051 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1902 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: 1280679680 Equivalent to 76 /8s, 85 /16s and 159 /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: 259823 Total RIPE prefixes after maximum aggregation: 122302 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255876 Unique aggregates announced from the RIPE address blocks: 158481 RIPE Region origin ASes present in the Internet Routing Table: 28317 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: 3983 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: 11174 Number of RIPE addresses announced to Internet: 718161152 Equivalent to 42 /8s, 206 /16s and 69 /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: 117784 Total LACNIC prefixes after maximum aggregation: 28248 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117078 Unique aggregates announced from the LACNIC address blocks: 49351 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: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2290 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: 8779 Number of LACNIC addresses announced to Internet: 176714752 Equivalent to 10 /8s, 136 /16s and 116 /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: 29315 Total AfriNIC prefixes after maximum aggregation: 5827 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37634 Unique aggregates announced from the AfriNIC address blocks: 12256 AfriNIC Region origin ASes present in the Internet Routing Table: 1734 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 607 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1083 Number of AfriNIC addresses announced to Internet: 107648256 Equivalent to 6 /8s, 106 /16s and 149 /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 4054 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 2947 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 2180 442 196 TATACOMM-AS TATA Communications formerl 45090 2148 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 8300 10782 2923 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4002 281 51 VIASAT-SP-BACKBONE, US 22773 3582 3057 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3088 1560 2339 AKAMAI-AS, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2496 359 466 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 4072 3399 163 AKAMAI-ASN1, NL 8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2292 910 ROSTELECOM-AS, RU 9009 2712 251 1397 M247, RO 34984 2278 360 610 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1851 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 11288 3330 602 Uninet S.A. de C.V., MX 10620 3518 508 854 Telmex Colombia S.A., CO 13999 2341 360 629 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 519 54 46 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 481 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 11288 3330 602 Uninet S.A. de C.V., MX 9808 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8300 10782 2923 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 4072 3399 163 AKAMAI-ASN1, NL 45899 4054 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 4002 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 8300 5377 AMAZON-02, US 7545 5720 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4054 4007 VNPT-AS-VN VNPT Corp, VN 7155 4002 3951 VIASAT-SP-BACKBONE, US 11492 4535 3926 CABLEONE, US 20940 4072 3909 AKAMAI-ASN1, NL 8551 3882 3845 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 23.153.24.0/24 Origin: 394144 LTYCONNECT, US 23.153.24.0/24 Transit: 6939 HURRICANE, 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 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 /15:2083 /16:13422 /17:8145 /18:14160 /19:24855 /20:43100 /21:50917 /22:108974 /23:97505 /24:549059 /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 5239 11288 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3443 4535 CABLEONE, US 8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3525 SHAW, CA 7155 3069 4002 VIASAT-SP-BACKBONE, US 22773 2650 3582 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2071 3518 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) ---------------------------------------------- 1:1688 2:1306 3:174 4:5 5:4532 6:128 7:6 8:1515 9:1 11:172 12:1537 13:385 14:2328 15:300 16:187 17:372 18:421 20:258 21:4 22:188 23:6229 24:2592 25:6 27:2486 29:19 31:2501 32:76 34:12 35:106 36:1968 37:4700 38:4574 39:842 40:151 41:3925 42:1028 43:2327 44:308 45:16503 46:4294 47:358 49:1734 50:1831 51:567 52:1600 54:394 55:773 56:8 57:115 58:1697 59:1093 60:987 61:2511 62:2678 63:1920 64:5671 65:2318 66:5004 67:2995 68:1345 69:4097 70:1247 71:669 72:2990 74:2607 75:1553 76:609 77:2446 78:1799 79:3172 80:2127 81:1775 82:1498 83:1282 84:1511 85:2976 86:768 87:2028 88:1157 89:3683 90:615 91:7730 92:2065 93:2620 94:3615 95:4013 96:1309 97:336 98:1151 99:744 100:73 101:1303 102:2708 103:31274 104:4645 105:488 106:937 107:2525 108:1038 109:4413 110:2104 111:3107 112:2029 113:1538 114:1647 115:1998 116:1891 117:2559 118:2299 119:1999 120:1794 121:1062 122:2589 123:2130 124:1569 125:2462 128:1344 129:1074 130:1012 131:2000 132:846 133:422 134:1922 135:304 136:874 137:952 138:2551 139:1552 140:1243 141:1452 142:1433 143:1508 144:1162 145:347 146:1942 147:1576 148:2335 149:2236 150:871 151:1159 152:1934 153:487 154:4393 155:1450 156:1775 157:1307 158:1069 159:2303 160:2545 161:1530 162:3500 163:1509 164:1608 165:1724 166:1039 167:1724 168:3845 169:934 170:4565 171:880 172:3544 173:2923 174:1074 175:1172 176:3689 177:4578 178:3597 179:2159 180:2599 181:3477 182:3352 183:1942 184:2343 185:20228 186:4697 187:3981 188:4096 189:3575 190:9120 191:1437 192:10903 193:8883 194:7302 195:5155 196:3154 197:2369 198:5888 199:6090 200:7923 201:5904 202:10353 203:10289 204:4570 205:3659 206:4239 207:3382 208:4082 209:4842 210:4162 211:2415 212:4173 213:3607 214:1092 215:59 216:6639 217:2697 218:1273 219:407 220:1763 221:974 222:713 223:2151 End of report