IPv4 R&E Routing Table Report 23:05 GMT Wed 10 Aug, 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: 890318 Prefixes after maximum aggregation (per Origin AS): 338795 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438039 Number of IPv4 prefixes with a valid ROA: 344278 Number of IPv4 prefixes with an invalid ROA: 1377 Number of IPv4 prefixes with no ROA: 544663 Total ASes present in the Internet Routing Table: 73331 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62931 Origin ASes announcing only one prefix: 25946 Transit ASes present in the Internet Routing Table: 10400 Transit-only ASes present in the Internet Routing Table: 401 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 956 Number of instances of unregistered ASNs: 957 Number of 32-bit ASNs allocated by the RIRs: 39950 Number of 32-bit ASNs visible in the Routing Table: 33100 Prefixes from 32-bit ASNs in the Routing Table: 157526 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3070431488 Equivalent to 183 /8s, 3 /16s and 17 /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: 299452 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229934 Total APNIC prefixes after maximum aggregation: 66567 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225047 Unique aggregates announced from the APNIC address blocks: 96233 APNIC Region origin ASes present in the Internet Routing Table: 12780 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3702 APNIC Region transit ASes present in the Internet Routing Table: 1744 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: 8071 Number of APNIC addresses announced to Internet: 772613120 Equivalent to 46 /8s, 13 /16s and 36 /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: 263201 Total ARIN prefixes after maximum aggregation: 120538 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263402 Unique aggregates announced from the ARIN address blocks: 127502 ARIN Region origin ASes present in the Internet Routing Table: 18978 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6929 ARIN Region transit ASes present in the Internet Routing Table: 1862 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4562 Number of ARIN addresses announced to Internet: 1295620864 Equivalent to 77 /8s, 57 /16s and 155 /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: 252158 Total RIPE prefixes after maximum aggregation: 117810 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249432 Unique aggregates announced from the RIPE address blocks: 153130 RIPE Region origin ASes present in the Internet Routing Table: 28173 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12073 RIPE Region transit ASes present in the Internet Routing Table: 4045 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10786 Number of RIPE addresses announced to Internet: 717806848 Equivalent to 42 /8s, 200 /16s and 221 /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: 115959 Total LACNIC prefixes after maximum aggregation: 27567 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115643 Unique aggregates announced from the LACNIC address blocks: 48898 LACNIC Region origin ASes present in the Internet Routing Table: 10957 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2231 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: 176350976 Equivalent to 10 /8s, 130 /16s and 231 /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: 28110 Total AfriNIC prefixes after maximum aggregation: 5578 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36283 Unique aggregates announced from the AfriNIC address blocks: 11840 AfriNIC Region origin ASes present in the Internet Routing Table: 1664 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 578 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 994 Number of AfriNIC addresses announced to Internet: 107746304 Equivalent to 6 /8s, 108 /16s and 20 /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 9014 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5910 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3603 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3379 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2259 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2158 851 404 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 6852 10403 2735 AMAZON-02, US 11492 4549 301 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3836 3069 357 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3470 1787 2505 AKAMAI-AS, US 6327 3446 1319 62 SHAW, CA 749 3029 50730 2287 DNIC-AS-00749, US 30036 2609 372 266 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2522 3384 360 GOOGLE-CLOUD-PLATFORM, US 209 2370 4936 407 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 6861 1730 144 UNI2-AS, ES 20940 4041 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3996 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2606 254 1333 M247, GB 34984 2247 358 630 TELLCOM-AS, TR 58224 1774 933 539 TCI, IR 13188 1581 99 97 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 10820 3397 559 Uninet S.A. de C.V., MX 10620 3485 515 777 Telmex Colombia S.A., CO 11830 2400 369 64 Instituto Costarricense de Electricidad 13999 1953 319 520 Mega Cable, S.A. de C.V., MX 28573 1363 2329 265 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1271 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1103 369 21 Telefonica del Peru S.A.A., PE 11664 1046 176 460 Techtel LMDS Comunicaciones Interactiva 26615 975 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 24835 1546 521 31 RAYA-AS, EG 24863 1525 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 976 66 52 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 52 39 WANANCHI-, KE 37342 481 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 10820 3397 559 Uninet S.A. de C.V., MX 9808 9014 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6861 1730 144 UNI2-AS, ES 16509 6852 10403 2735 AMAZON-02, US 7545 5910 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 570 CABLEONE, US 20940 4041 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3996 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 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 9014 8967 CHINAMOBILE-CN China Mobile Communications Grou 12479 6861 6717 UNI2-AS, ES 7545 5910 5215 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6852 4117 AMAZON-02, US 11492 4549 3979 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3996 3957 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4041 3847 AKAMAI-ASN1, NL 7552 3603 3584 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.160.112.0/24 Origin: 398330 UNASSIGNED 23.160.112.0/24 Transit: 10912 INTERNAP-BLK, US 23.160.113.0/24 Origin: 398330 UNASSIGNED 23.160.113.0/24 Transit: 10912 INTERNAP-BLK, 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 /9:13 /10:39 /11:101 /12:303 /13:592 /14:1204 /15:2099 /16:13488 /17:8254 /18:13798 /19:24716 /20:43083 /21:50781 /22:107682 /23:95345 /24:528798 /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 5847 6861 UNI2-AS, ES 8151 4548 10820 Uninet S.A. de C.V., MX 11492 3464 4549 CABLEONE, US 8551 3459 3996 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3258 3446 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2850 3836 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2267 2609 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1953 2:1022 3:157 4:5 5:3835 6:111 7:6 8:1546 9:1 11:172 12:1645 13:338 14:2356 15:241 16:44 17:383 18:187 20:242 21:4 22:188 23:5845 24:2389 25:6 27:2603 29:19 31:2414 32:92 34:7 35:87 36:1848 37:4440 38:3377 39:720 40:152 41:3894 42:1125 43:2185 44:287 45:16070 46:4125 47:302 49:1697 50:1940 51:231 52:1459 54:385 55:847 56:8 57:59 58:1723 59:1114 60:965 61:2285 62:2534 63:1930 64:5560 65:2368 66:4832 67:2980 68:1206 69:4140 70:1311 71:680 72:3041 74:2629 75:1383 76:578 77:2241 78:1905 79:3127 80:2017 81:1636 82:1497 83:1204 84:1366 85:2967 86:737 87:1910 88:1199 89:3388 90:546 91:7624 92:2037 93:2538 94:3498 95:3873 96:1295 97:350 98:1020 99:745 100:77 101:1292 102:2220 103:29517 104:4530 105:467 106:883 107:2541 108:859 109:4308 110:1996 111:3273 112:2040 113:1470 114:1475 115:1981 116:1881 117:2436 118:2302 119:1863 120:1753 121:1023 122:2505 123:2073 124:1520 125:2037 128:1178 129:1040 130:967 131:2041 132:804 133:378 134:1939 135:299 136:848 137:870 138:2498 139:1509 140:932 141:1423 142:1320 143:1399 144:1196 145:341 146:1838 147:1501 148:2212 149:1761 150:861 151:1068 152:1863 153:465 154:3681 155:1459 156:1732 157:1282 158:1035 159:2205 160:2501 161:1313 162:3489 163:1351 164:1639 165:1643 166:764 167:1776 168:3823 169:881 170:4529 171:837 172:3306 173:3117 174:1033 175:1145 176:3624 177:4779 178:3527 179:2163 180:2353 181:3219 182:3190 183:1934 184:2378 185:19609 186:4489 187:3818 188:3988 189:3401 190:8943 191:1465 192:10953 193:8672 194:7065 195:5039 196:3034 197:2412 198:5955 199:6031 200:7537 201:5823 202:10118 203:9997 204:4503 205:3422 206:3688 207:3391 208:4029 209:4675 210:4150 211:2302 212:4022 213:3453 214:1136 215:65 216:6377 217:2639 218:1262 219:406 220:1751 221:949 222:654 223:1966 End of report