IPv4 R&E Routing Table Report 23:05 GMT Mon 18 Jul, 2022 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: 888246 Prefixes after maximum aggregation (per Origin AS): 337821 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436578 Number of IPv4 prefixes with a valid ROA: 336368 Number of IPv4 prefixes with an invalid ROA: 1357 Number of IPv4 prefixes with no ROA: 550521 Total ASes present in the Internet Routing Table: 73207 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62864 Origin ASes announcing only one prefix: 25874 Transit ASes present in the Internet Routing Table: 10343 Transit-only ASes present in the Internet Routing Table: 403 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 970 Number of instances of unregistered ASNs: 974 Number of 32-bit ASNs allocated by the RIRs: 39818 Number of 32-bit ASNs visible in the Routing Table: 32949 Prefixes from 32-bit ASNs in the Routing Table: 156678 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3067330816 Equivalent to 182 /8s, 211 /16s and 193 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 298952 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229434 Total APNIC prefixes after maximum aggregation: 66372 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224529 Unique aggregates announced from the APNIC address blocks: 95624 APNIC Region origin ASes present in the Internet Routing Table: 12703 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3665 APNIC Region transit ASes present in the Internet Routing Table: 1731 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7988 Number of APNIC addresses announced to Internet: 772321024 Equivalent to 46 /8s, 8 /16s and 175 /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: 262660 Total ARIN prefixes after maximum aggregation: 120354 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262909 Unique aggregates announced from the ARIN address blocks: 127143 ARIN Region origin ASes present in the Internet Routing Table: 18973 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6925 ARIN Region transit ASes present in the Internet Routing Table: 1867 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4545 Number of ARIN addresses announced to Internet: 1295908352 Equivalent to 77 /8s, 61 /16s and 254 /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: 251614 Total RIPE prefixes after maximum aggregation: 117412 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248963 Unique aggregates announced from the RIPE address blocks: 152856 RIPE Region origin ASes present in the Internet Routing Table: 28135 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 4013 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10745 Number of RIPE addresses announced to Internet: 714592256 Equivalent to 42 /8s, 151 /16s and 208 /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: 115454 Total LACNIC prefixes after maximum aggregation: 27450 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115208 Unique aggregates announced from the LACNIC address blocks: 48745 LACNIC Region origin ASes present in the Internet Routing Table: 10959 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2227 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8687 Number of LACNIC addresses announced to Internet: 176494336 Equivalent to 10 /8s, 133 /16s and 23 /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: 28114 Total AfriNIC prefixes after maximum aggregation: 5508 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36133 Unique aggregates announced from the AfriNIC address blocks: 11786 AfriNIC Region origin ASes present in the Internet Routing Table: 1657 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 577 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 984 Number of AfriNIC addresses announced to Internet: 107722752 Equivalent to 6 /8s, 107 /16s and 184 /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 9008 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5921 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3508 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3423 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2130 849 410 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2125 425 216 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 6762 10389 2678 AMAZON-02, US 11492 4515 299 656 CABLEONE, US 7155 3903 265 32 VIASAT-SP-BACKBONE, US 22773 3836 3065 344 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3473 1789 2511 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2996 50735 2254 DNIC-AS-00749, US 30036 2604 372 264 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2379 4936 411 CENTURYLINK-US-LEGACY-QWEST, 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 6917 1730 144 UNI2-AS, ES 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 4005 3360 195 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 12389 2889 2289 909 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2570 254 1333 M247, GB 34984 2248 358 637 TELLCOM-AS, TR 58224 1775 933 554 TCI, IR 61317 1613 113 1064 ASDETUK www.heficed.com, GB 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 10776 3395 558 Uninet S.A. de C.V., MX 10620 3476 514 778 Telmex Colombia S.A., CO 11830 2425 369 64 Instituto Costarricense de Electricidad 13999 1930 318 506 Mega Cable, S.A. de C.V., MX 28573 1361 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1264 689 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 Techtel LMDS Comunicaciones Interactiva 26615 978 2466 43 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 1608 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 969 66 46 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 516 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 400 232 16 MauritiusTelecom, MU 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 10776 3395 558 Uninet S.A. de C.V., MX 9808 9008 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6917 1730 144 UNI2-AS, ES 16509 6762 10389 2678 AMAZON-02, US 7545 5921 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 656 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 4005 3360 195 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 7155 3903 265 32 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 9008 8962 CHINAMOBILE-CN China Mobile Communications Grou 12479 6917 6773 UNI2-AS, ES 7545 5921 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6762 4084 AMAZON-02, US 8551 4011 3972 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3903 3871 VIASAT-SP-BACKBONE, US 11492 4515 3859 CABLEONE, US 20940 4005 3810 AKAMAI-ASN1, NL 7552 3571 3552 VIETEL-AS-AP Viettel Group, VN 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 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 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.138.248.0/24 Origin: 32990 LYYOUSA, CA 23.138.248.0/24 Transit: 20473 AS-CHOOPA, 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /9:13 /10:39 /11:100 /12:302 /13:588 /14:1202 /15:2096 /16:13498 /17:8253 /18:13767 /19:24728 /20:43053 /21:50742 /22:107457 /23:95237 /24:527149 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5897 6917 UNI2-AS, ES 8151 4509 10776 Uninet S.A. de C.V., MX 8551 3474 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4515 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2992 3903 VIASAT-SP-BACKBONE, US 22773 2860 3836 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2263 2604 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1918 2:1034 3:157 4:5 5:3834 6:110 7:6 8:1522 9:1 11:172 12:1644 13:343 14:2338 15:233 16:44 17:387 18:179 20:242 21:4 22:188 23:5800 24:2365 25:6 27:2614 29:19 31:2434 32:92 34:7 35:87 36:1836 37:4437 38:3282 39:718 40:153 41:3886 42:1118 43:2204 44:291 45:15965 46:4094 47:299 49:1693 50:1944 51:225 52:1452 54:386 55:844 56:8 57:60 58:1718 59:1111 60:961 61:2270 62:2523 63:1928 64:5593 65:2391 66:4828 67:2967 68:1180 69:4173 70:1315 71:680 72:3029 74:2631 75:1395 76:577 77:2224 78:1876 79:3130 80:2002 81:1638 82:1491 83:1207 84:1317 85:2960 86:726 87:1898 88:1166 89:3351 90:544 91:7613 92:2031 93:2546 94:3499 95:3842 96:1328 97:352 98:1029 99:752 100:77 101:1269 102:2183 103:29410 104:4534 105:468 106:877 107:2554 108:855 109:4313 110:1973 111:3278 112:2040 113:1469 114:1472 115:1970 116:1893 117:2427 118:2309 119:1836 120:1671 121:1027 122:2521 123:2082 124:1540 125:2042 128:1181 129:1055 130:976 131:2024 132:814 133:377 134:1927 135:307 136:894 137:861 138:2470 139:1505 140:927 141:1442 142:1303 143:1430 144:1212 145:354 146:1811 147:1523 148:2204 149:1739 150:903 151:1069 152:1854 153:462 154:3659 155:1441 156:1681 157:1273 158:1038 159:2236 160:2502 161:1261 162:3470 163:1294 164:1632 165:1638 166:770 167:1734 168:3784 169:882 170:4378 171:831 172:3288 173:3114 174:1020 175:1152 176:3586 177:4683 178:3540 179:2194 180:2365 181:3217 182:3206 183:1938 184:2343 185:19593 186:4339 187:3817 188:3970 189:3401 190:8919 191:1433 192:10938 193:8662 194:7037 195:4978 196:3033 197:2419 198:5931 199:6022 200:7478 201:5828 202:10115 203:10001 204:4519 205:3436 206:3689 207:3339 208:3999 209:4671 210:4160 211:2305 212:4029 213:3442 214:1144 215:67 216:6468 217:2641 218:1272 219:407 220:1737 221:963 222:656 223:1955 End of report