IPv4 R&E Routing Table Report 23:05 GMT Tue 02 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: 889714 Prefixes after maximum aggregation (per Origin AS): 338417 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437464 Number of IPv4 prefixes with a valid ROA: 342854 Number of IPv4 prefixes with an invalid ROA: 1335 Number of IPv4 prefixes with no ROA: 545525 Total ASes present in the Internet Routing Table: 73291 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62926 Origin ASes announcing only one prefix: 25960 Transit ASes present in the Internet Routing Table: 10365 Transit-only ASes present in the Internet Routing Table: 399 Paths with bogon ASNs present in the IPv4 Routing Table: 33 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: 945 Number of instances of unregistered ASNs: 946 Number of 32-bit ASNs allocated by the RIRs: 39909 Number of 32-bit ASNs visible in the Routing Table: 33066 Prefixes from 32-bit ASNs in the Routing Table: 157426 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: 489 Number of addresses announced to Internet: 3070516480 Equivalent to 183 /8s, 4 /16s and 93 /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: 299400 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229888 Total APNIC prefixes after maximum aggregation: 66592 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224944 Unique aggregates announced from the APNIC address blocks: 96264 APNIC Region origin ASes present in the Internet Routing Table: 12763 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3700 APNIC Region transit ASes present in the Internet Routing Table: 1739 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8050 Number of APNIC addresses announced to Internet: 772734464 Equivalent to 46 /8s, 14 /16s and 254 /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: 263035 Total ARIN prefixes after maximum aggregation: 120355 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263276 Unique aggregates announced from the ARIN address blocks: 127339 ARIN Region origin ASes present in the Internet Routing Table: 18971 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6923 ARIN Region transit ASes present in the Internet Routing Table: 1858 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: 4555 Number of ARIN addresses announced to Internet: 1295866112 Equivalent to 77 /8s, 61 /16s and 89 /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: 251890 Total RIPE prefixes after maximum aggregation: 117643 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249247 Unique aggregates announced from the RIPE address blocks: 152788 RIPE Region origin ASes present in the Internet Routing Table: 28153 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 4019 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: 10773 Number of RIPE addresses announced to Internet: 717593600 Equivalent to 42 /8s, 197 /16s and 156 /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: 115773 Total LACNIC prefixes after maximum aggregation: 27556 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115471 Unique aggregates announced from the LACNIC address blocks: 48781 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2236 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: 8693 Number of LACNIC addresses announced to Internet: 176292864 Equivalent to 10 /8s, 130 /16s and 4 /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: 28183 Total AfriNIC prefixes after maximum aggregation: 5553 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36287 Unique aggregates announced from the AfriNIC address blocks: 11876 AfriNIC Region origin ASes present in the Internet Routing Table: 1668 AfriNIC Prefixes per ASN: 21.75 AfriNIC Region origin ASes announcing only one prefix: 587 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 995 Number of AfriNIC addresses announced to Internet: 107748096 Equivalent to 6 /8s, 108 /16s and 27 /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 9017 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5924 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3510 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2257 11123 596 KIXS-AS-KR Korea Telecom, KR 24560 2152 851 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 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 6742 10385 2681 AMAZON-02, US 11492 4640 307 479 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3810 3066 336 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3468 1787 2505 AKAMAI-AS, US 6327 3448 1319 64 SHAW, CA 749 3022 50731 2280 DNIC-AS-00749, US 30036 2601 371 286 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2374 4936 410 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 6867 1730 144 UNI2-AS, ES 20940 4045 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2588 255 1337 M247, GB 34984 2245 357 634 TELLCOM-AS, TR 58224 1677 896 674 TCI, IR 13188 1610 100 27 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 10802 3398 562 Uninet S.A. de C.V., MX 10620 3480 515 782 Telmex Colombia S.A., CO 11830 2412 369 64 Instituto Costarricense de Electricidad 13999 1933 316 513 Mega Cable, S.A. de C.V., MX 28573 1366 2330 268 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1269 695 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1090 370 21 Telefonica del Peru S.A.A., PE 11664 1048 180 455 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1607 393 21 LINKdotNET-AS, EG 24835 1519 521 31 RAYA-AS, EG 36992 1325 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 971 66 45 ORANGE-COTE-IVOIRE, CI 36935 799 520 41 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 52 38 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 10802 3398 562 Uninet S.A. de C.V., MX 9808 9017 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6867 1730 144 UNI2-AS, ES 16509 6742 10385 2681 AMAZON-02, US 7545 5924 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4640 307 479 CABLEONE, US 20940 4045 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3992 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 9017 8970 CHINAMOBILE-CN China Mobile Communications Grou 12479 6867 6723 UNI2-AS, ES 7545 5924 5231 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4640 4161 CABLEONE, US 16509 6742 4061 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3992 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4045 3851 AKAMAI-ASN1, NL 7552 3592 3573 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /12:303 /13:590 /14:1202 /15:2098 /16:13502 /17:8250 /18:13803 /19:24735 /20:43042 /21:50799 /22:107463 /23:95321 /24:528432 /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 5856 6867 UNI2-AS, ES 8151 4526 10802 Uninet S.A. de C.V., MX 11492 3544 4640 CABLEONE, US 8551 3455 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3258 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2833 3810 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2260 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1946 2:1022 3:157 4:5 5:3836 6:111 7:6 8:1542 9:1 11:172 12:1641 13:336 14:2345 15:237 16:44 17:388 18:175 20:242 21:4 22:188 23:5834 24:2404 25:6 27:2609 29:19 31:2423 32:92 34:7 35:86 36:1841 37:4441 38:3344 39:719 40:152 41:3916 42:1125 43:2183 44:288 45:16058 46:4139 47:300 49:1669 50:1945 51:238 52:1447 54:384 55:813 56:8 57:59 58:1736 59:1107 60:963 61:2291 62:2527 63:1926 64:5576 65:2388 66:4835 67:2979 68:1193 69:4132 70:1312 71:678 72:3031 74:2628 75:1399 76:576 77:2244 78:1877 79:3129 80:2015 81:1648 82:1494 83:1209 84:1352 85:2946 86:734 87:1905 88:1175 89:3373 90:545 91:7619 92:2026 93:2560 94:3507 95:3873 96:1334 97:352 98:1027 99:752 100:77 101:1288 102:2219 103:29480 104:4543 105:467 106:878 107:2546 108:858 109:4329 110:2001 111:3274 112:2033 113:1470 114:1469 115:1967 116:1884 117:2422 118:2299 119:1851 120:1760 121:1023 122:2520 123:2078 124:1528 125:2039 128:1172 129:1042 130:967 131:2061 132:800 133:378 134:1933 135:299 136:892 137:861 138:2496 139:1494 140:933 141:1445 142:1320 143:1396 144:1206 145:344 146:1822 147:1502 148:2204 149:1747 150:861 151:1070 152:1866 153:465 154:3690 155:1450 156:1699 157:1277 158:1035 159:2220 160:2496 161:1305 162:3484 163:1321 164:1638 165:1652 166:759 167:1772 168:3805 169:878 170:4534 171:837 172:3294 173:3108 174:1046 175:1152 176:3610 177:4768 178:3535 179:2208 180:2371 181:3225 182:3194 183:1935 184:2384 185:19576 186:4448 187:3806 188:3982 189:3392 190:8952 191:1451 192:10968 193:8661 194:7068 195:5008 196:3028 197:2421 198:5946 199:6027 200:7440 201:5822 202:10120 203:10014 204:4506 205:3449 206:3685 207:3336 208:4021 209:4672 210:4167 211:2300 212:4012 213:3469 214:1138 215:65 216:6372 217:2641 218:1263 219:408 220:1739 221:959 222:655 223:1964 End of report