IPv4 R&E Routing Table Report 23:05 GMT Mon 08 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: 913784 Prefixes after maximum aggregation (per Origin AS): 347704 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448277 Number of IPv4 prefixes with a valid ROA: 395817 Number of IPv4 prefixes with an invalid ROA: 1828 Number of IPv4 prefixes with no ROA: 516139 Total ASes present in the Internet Routing Table: 74224 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63812 Origin ASes announcing only one prefix: 26223 Transit ASes present in the Internet Routing Table: 10412 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 17 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 80 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1081 Number of instances of unregistered ASNs: 1083 Number of 32-bit ASNs allocated by the RIRs: 41809 Number of 32-bit ASNs visible in the Routing Table: 34509 Prefixes from 32-bit ASNs in the Routing Table: 170579 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 616 Number of addresses announced to Internet: 3058259712 Equivalent to 182 /8s, 73 /16s and 87 /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: 306629 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237745 Total APNIC prefixes after maximum aggregation: 68616 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 231991 Unique aggregates announced from the APNIC address blocks: 97797 APNIC Region origin ASes present in the Internet Routing Table: 13330 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3923 APNIC Region transit ASes present in the Internet Routing Table: 1782 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8698 Number of APNIC addresses announced to Internet: 772926464 Equivalent to 46 /8s, 17 /16s and 236 /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: 268260 Total ARIN prefixes after maximum aggregation: 122064 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270815 Unique aggregates announced from the ARIN address blocks: 130106 ARIN Region origin ASes present in the Internet Routing Table: 19045 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1892 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4778 Number of ARIN addresses announced to Internet: 1283271680 Equivalent to 76 /8s, 125 /16s and 44 /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: 259703 Total RIPE prefixes after maximum aggregation: 122216 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255682 Unique aggregates announced from the RIPE address blocks: 158278 RIPE Region origin ASes present in the Internet Routing Table: 28325 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12073 RIPE Region transit ASes present in the Internet Routing Table: 3941 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11168 Number of RIPE addresses announced to Internet: 718140928 Equivalent to 42 /8s, 205 /16s and 246 /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: 117822 Total LACNIC prefixes after maximum aggregation: 28227 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117132 Unique aggregates announced from the LACNIC address blocks: 49368 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2284 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8779 Number of LACNIC addresses announced to Internet: 176584704 Equivalent to 10 /8s, 134 /16s and 120 /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: 29173 Total AfriNIC prefixes after maximum aggregation: 5804 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37548 Unique aggregates announced from the AfriNIC address blocks: 12220 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 80 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1086 Number of AfriNIC addresses announced to Internet: 106926336 Equivalent to 6 /8s, 95 /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 9467 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3576 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2951 490 236 BBIL-AP BHARTI Airtel Ltd., IN 24560 2391 836 448 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 585 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 8276 10781 2931 AMAZON-02, US 11492 4520 299 631 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3583 3040 280 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3107 1571 2346 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 7018 2520 24150 1582 ATT-INTERNET4, US 30036 2483 359 491 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 7279 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4080 3399 163 AKAMAI-ASN1, NL 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 909 ROSTELECOM-AS, RU 9009 2704 251 1395 M247, RO 34984 2278 360 610 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1854 950 531 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 11278 3328 599 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2343 358 618 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 513 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 1589 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1340 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1024 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 473 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 11278 3328 599 Uninet S.A. de C.V., MX 9808 9467 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8276 10781 2931 AMAZON-02, US 12479 7279 1707 141 UNI2-AS, ES 7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4520 299 631 CABLEONE, US 20940 4080 3399 163 AKAMAI-ASN1, NL 45899 4055 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 9467 9430 CHINAMOBILE-CN China Mobile Communications Grou 12479 7279 7138 UNI2-AS, ES 16509 8276 5345 AMAZON-02, US 7545 5726 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4080 3917 AKAMAI-ASN1, NL 11492 4520 3889 CABLEONE, US 8551 3885 3848 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 5.105.69.0/24 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 /13:576 /14:1194 /15:2082 /16:13416 /17:8126 /18:14139 /19:24849 /20:43088 /21:50896 /22:108954 /23:97352 /24:548629 /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 6339 7279 UNI2-AS, ES 8151 5223 11278 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3430 4520 CABLEONE, US 8551 3357 3885 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2650 3583 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2140 2483 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) ---------------------------------------------- 1:1686 2:1302 3:175 4:5 5:4531 6:127 7:6 8:1513 9:1 11:172 12:1536 13:388 14:2326 15:303 16:182 17:373 18:419 20:258 21:4 22:188 23:6217 24:2583 25:6 27:2483 29:19 31:2500 32:74 34:11 35:106 36:1965 37:4693 38:4547 39:827 40:150 41:3909 42:1018 43:2326 44:308 45:16501 46:4292 47:357 49:1733 50:1819 51:573 52:1596 54:392 55:775 56:8 57:115 58:1689 59:1103 60:989 61:2511 62:2674 63:1925 64:5665 65:2315 66:4989 67:2998 68:1348 69:4089 70:1230 71:671 72:2988 74:2605 75:1484 76:608 77:2446 78:1799 79:3165 80:2129 81:1776 82:1497 83:1278 84:1505 85:2966 86:771 87:2023 88:1162 89:3685 90:606 91:7747 92:2065 93:2618 94:3623 95:4008 96:1311 97:332 98:1152 99:744 100:73 101:1307 102:2694 103:31269 104:4632 105:488 106:935 107:2521 108:1021 109:4408 110:2098 111:3099 112:2029 113:1534 114:1637 115:2005 116:1896 117:2562 118:2298 119:2008 120:1794 121:1061 122:2586 123:2163 124:1573 125:2458 128:1318 129:1083 130:1009 131:1995 132:850 133:422 134:1922 135:306 136:872 137:950 138:2560 139:1553 140:1238 141:1450 142:1432 143:1499 144:1162 145:346 146:1934 147:1583 148:2318 149:2219 150:873 151:1160 152:1928 153:489 154:4405 155:1449 156:1780 157:1310 158:1060 159:2316 160:2546 161:1529 162:3496 163:1510 164:1611 165:1736 166:1028 167:1720 168:3835 169:930 170:4572 171:880 172:3543 173:2913 174:1066 175:1171 176:3688 177:4587 178:3595 179:2153 180:2603 181:3467 182:3340 183:1941 184:2346 185:20223 186:4760 187:3971 188:4090 189:3584 190:9164 191:1428 192:10903 193:8863 194:7303 195:5137 196:3144 197:2356 198:5867 199:6098 200:7949 201:5893 202:10352 203:10279 204:4570 205:3649 206:4255 207:3389 208:4068 209:4837 210:4166 211:2410 212:4131 213:3595 214:1088 215:59 216:6642 217:2686 218:1273 219:406 220:1772 221:974 222:715 223:2147 End of report