IPv4 R&E Routing Table Report 23:05 GMT Sun 07 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: 913453 Prefixes after maximum aggregation (per Origin AS): 347497 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448089 Number of IPv4 prefixes with a valid ROA: 395480 Number of IPv4 prefixes with an invalid ROA: 1846 Number of IPv4 prefixes with no ROA: 516127 Total ASes present in the Internet Routing Table: 74203 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63797 Origin ASes announcing only one prefix: 26218 Transit ASes present in the Internet Routing Table: 10406 Transit-only ASes present in the Internet Routing Table: 426 Paths with bogon ASNs present in the IPv4 Routing Table: 15 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 62 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1082 Number of instances of unregistered ASNs: 1082 Number of 32-bit ASNs allocated by the RIRs: 41807 Number of 32-bit ASNs visible in the Routing Table: 34489 Prefixes from 32-bit ASNs in the Routing Table: 170449 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: 617 Number of addresses announced to Internet: 3058265344 Equivalent to 182 /8s, 73 /16s and 109 /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: 306466 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237688 Total APNIC prefixes after maximum aggregation: 68599 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 231938 Unique aggregates announced from the APNIC address blocks: 97799 APNIC Region origin ASes present in the Internet Routing Table: 13325 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3926 APNIC Region transit ASes present in the Internet Routing Table: 1780 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: 8694 Number of APNIC addresses announced to Internet: 772922368 Equivalent to 46 /8s, 17 /16s and 220 /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: 268117 Total ARIN prefixes after maximum aggregation: 121914 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270689 Unique aggregates announced from the ARIN address blocks: 129981 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: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1893 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: 4774 Number of ARIN addresses announced to Internet: 1283282432 Equivalent to 76 /8s, 125 /16s and 86 /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: 259565 Total RIPE prefixes after maximum aggregation: 122178 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255564 Unique aggregates announced from the RIPE address blocks: 158207 RIPE Region origin ASes present in the Internet Routing Table: 28322 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 3934 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: 11165 Number of RIPE addresses announced to Internet: 718116096 Equivalent to 42 /8s, 205 /16s and 149 /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: 117803 Total LACNIC prefixes after maximum aggregation: 28216 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117095 Unique aggregates announced from the LACNIC address blocks: 49387 LACNIC Region origin ASes present in the Internet Routing Table: 10978 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: 2282 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: 8776 Number of LACNIC addresses announced to Internet: 176618752 Equivalent to 10 /8s, 134 /16s and 253 /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: 29198 Total AfriNIC prefixes after maximum aggregation: 5811 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37550 Unique aggregates announced from the AfriNIC address blocks: 12206 AfriNIC Region origin ASes present in the Internet Routing Table: 1727 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 62 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1080 Number of AfriNIC addresses announced to Internet: 106915840 Equivalent to 6 /8s, 95 /16s and 104 /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 9466 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 3574 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2950 490 236 BBIL-AP BHARTI Airtel Ltd., IN 24560 2385 836 446 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 8289 10784 2931 AMAZON-02, US 11492 4534 300 609 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3584 3040 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3102 1568 2345 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 7018 2519 24151 1582 ATT-INTERNET4, US 30036 2504 360 434 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 7281 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4067 3399 163 AKAMAI-ASN1, NL 8551 3884 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 909 ROSTELECOM-AS, RU 9009 2704 251 1393 M247, RO 34984 2273 359 611 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 11273 3328 599 Uninet S.A. de C.V., MX 10620 3518 508 855 Telmex Colombia S.A., CO 13999 2344 360 621 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 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 446 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 1023 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 472 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 11273 3328 599 Uninet S.A. de C.V., MX 9808 9466 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8289 10784 2931 AMAZON-02, US 12479 7281 1707 141 UNI2-AS, ES 7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4534 300 609 CABLEONE, US 20940 4067 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 9466 9429 CHINAMOBILE-CN China Mobile Communications Grou 12479 7281 7140 UNI2-AS, ES 16509 8289 5358 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 11492 4534 3925 CABLEONE, US 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4067 3904 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 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 /16:13414 /17:8132 /18:14142 /19:24845 /20:43085 /21:50883 /22:108890 /23:97294 /24:548433 /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 6341 7281 UNI2-AS, ES 8151 5219 11273 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3442 4534 CABLEONE, US 8551 3356 3884 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2650 3584 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2504 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) ---------------------------------------------- 1:1687 2:1301 3:175 4:5 5:4527 6:127 7:6 8:1512 9:1 11:172 12:1535 13:388 14:2328 15:303 16:182 17:371 18:421 20:256 21:4 22:188 23:6205 24:2590 25:6 27:2486 29:19 31:2489 32:74 34:11 35:106 36:1962 37:4690 38:4554 39:827 40:150 41:3905 42:1018 43:2330 44:308 45:16494 46:4266 47:357 49:1734 50:1818 51:573 52:1593 54:390 55:773 56:8 57:115 58:1686 59:1104 60:988 61:2505 62:2672 63:1923 64:5650 65:2318 66:4972 67:2999 68:1352 69:4090 70:1230 71:671 72:2986 74:2605 75:1482 76:608 77:2447 78:1799 79:3168 80:2129 81:1773 82:1500 83:1278 84:1503 85:2958 86:771 87:2022 88:1162 89:3675 90:609 91:7739 92:2070 93:2615 94:3618 95:4005 96:1312 97:334 98:1152 99:745 100:73 101:1307 102:2692 103:31245 104:4631 105:488 106:942 107:2521 108:1023 109:4406 110:2098 111:3107 112:2029 113:1534 114:1644 115:2008 116:1898 117:2562 118:2297 119:2007 120:1793 121:1060 122:2585 123:2162 124:1571 125:2457 128:1319 129:1083 130:1011 131:2000 132:847 133:422 134:1920 135:304 136:873 137:949 138:2556 139:1550 140:1237 141:1453 142:1430 143:1492 144:1161 145:346 146:1928 147:1583 148:2313 149:2216 150:873 151:1161 152:1922 153:489 154:4410 155:1448 156:1792 157:1308 158:1058 159:2316 160:2545 161:1530 162:3504 163:1496 164:1609 165:1735 166:1019 167:1725 168:3838 169:929 170:4568 171:882 172:3544 173:2923 174:1067 175:1171 176:3683 177:4578 178:3591 179:2159 180:2600 181:3467 182:3347 183:1940 184:2343 185:20218 186:4788 187:3970 188:4092 189:3562 190:9156 191:1426 192:10913 193:8860 194:7310 195:5136 196:3140 197:2366 198:5874 199:6092 200:7933 201:5890 202:10353 203:10264 204:4577 205:3656 206:4251 207:3386 208:4067 209:4844 210:4164 211:2405 212:4127 213:3594 214:1087 215:59 216:6639 217:2685 218:1273 219:406 220:1771 221:974 222:712 223:2145 End of report