IPv4 R&E Routing Table Report 23:05 GMT Wed 20 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: 888276 Prefixes after maximum aggregation (per Origin AS): 337762 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436557 Number of IPv4 prefixes with a valid ROA: 336733 Number of IPv4 prefixes with an invalid ROA: 1318 Number of IPv4 prefixes with no ROA: 550225 Total ASes present in the Internet Routing Table: 73237 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62883 Origin ASes announcing only one prefix: 25903 Transit ASes present in the Internet Routing Table: 10354 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: 964 Number of instances of unregistered ASNs: 968 Number of 32-bit ASNs allocated by the RIRs: 39820 Number of 32-bit ASNs visible in the Routing Table: 32978 Prefixes from 32-bit ASNs in the Routing Table: 156638 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: 502 Number of addresses announced to Internet: 3067610624 Equivalent to 182 /8s, 216 /16s and 6 /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: 298822 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229418 Total APNIC prefixes after maximum aggregation: 66366 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224496 Unique aggregates announced from the APNIC address blocks: 95614 APNIC Region origin ASes present in the Internet Routing Table: 12708 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3666 APNIC Region transit ASes present in the Internet Routing Table: 1734 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: 7991 Number of APNIC addresses announced to Internet: 772365056 Equivalent to 46 /8s, 9 /16s and 91 /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: 262840 Total ARIN prefixes after maximum aggregation: 120301 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263147 Unique aggregates announced from the ARIN address blocks: 127108 ARIN Region origin ASes present in the Internet Routing Table: 18981 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6930 ARIN Region transit ASes present in the Internet Routing Table: 1863 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: 4549 Number of ARIN addresses announced to Internet: 1296047104 Equivalent to 77 /8s, 64 /16s and 28 /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: 251623 Total RIPE prefixes after maximum aggregation: 117403 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248958 Unique aggregates announced from the RIPE address blocks: 152845 RIPE Region origin ASes present in the Internet Routing Table: 28142 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12060 RIPE Region transit ASes present in the Internet Routing Table: 4014 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: 10757 Number of RIPE addresses announced to Internet: 714664192 Equivalent to 42 /8s, 152 /16s and 233 /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: 115266 Total LACNIC prefixes after maximum aggregation: 27464 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115002 Unique aggregates announced from the LACNIC address blocks: 48792 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2246 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: 8697 Number of LACNIC addresses announced to Internet: 176466944 Equivalent to 10 /8s, 132 /16s and 172 /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: 28165 Total AfriNIC prefixes after maximum aggregation: 5506 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36171 Unique aggregates announced from the AfriNIC address blocks: 11776 AfriNIC Region origin ASes present in the Internet Routing Table: 1658 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 578 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 107775744 Equivalent to 6 /8s, 108 /16s and 135 /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 5922 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3504 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3417 1880 52 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11123 593 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2137 849 403 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 6756 10389 2687 AMAZON-02, US 11492 4514 299 657 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3835 3066 344 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3464 1784 2505 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 3017 50733 2275 DNIC-AS-00749, US 30036 2606 373 266 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2380 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 6891 1730 144 UNI2-AS, ES 8551 4006 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 4004 3360 195 AKAMAI-ASN1, NL 12389 2892 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2570 254 1333 M247, GB 34984 2249 358 637 TELLCOM-AS, TR 58224 1777 933 554 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 10642 3397 561 Uninet S.A. de C.V., MX 10620 3477 514 774 Telmex Colombia S.A., CO 11830 2421 369 64 Instituto Costarricense de Electricidad 13999 1907 312 504 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 1084 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 458 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 1611 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1320 1519 274 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 970 66 47 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 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 10642 3397 561 Uninet S.A. de C.V., MX 9808 9008 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6891 1730 144 UNI2-AS, ES 16509 6756 10389 2687 AMAZON-02, US 7545 5922 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4514 299 657 CABLEONE, US 8551 4006 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 4004 3360 195 AKAMAI-ASN1, NL 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 9008 8962 CHINAMOBILE-CN China Mobile Communications Grou 12479 6891 6747 UNI2-AS, ES 7545 5922 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6756 4069 AMAZON-02, US 8551 4006 3967 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3906 3874 VIASAT-SP-BACKBONE, US 11492 4514 3857 CABLEONE, US 20940 4004 3809 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 23.141.0.0/24 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 /11:99 /12:303 /13:589 /14:1203 /15:2097 /16:13500 /17:8250 /18:13770 /19:24733 /20:43027 /21:50750 /22:107524 /23:95223 /24:527134 /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 5874 6891 UNI2-AS, ES 8151 4413 10642 Uninet S.A. de C.V., MX 8551 3469 4006 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4514 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2858 3835 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2264 2606 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1902 2:1030 3:157 4:5 5:3820 6:110 7:6 8:1535 9:1 11:172 12:1645 13:344 14:2340 15:233 16:47 17:388 18:178 20:242 21:4 22:188 23:5792 24:2366 25:6 27:2610 29:19 31:2436 32:92 34:7 35:87 36:1835 37:4438 38:3292 39:720 40:152 41:3892 42:1121 43:2204 44:290 45:15958 46:4094 47:299 49:1691 50:1948 51:237 52:1452 54:385 55:859 56:8 57:60 58:1718 59:1106 60:961 61:2272 62:2523 63:1927 64:5583 65:2391 66:4834 67:2965 68:1180 69:4167 70:1315 71:680 72:3029 74:2627 75:1397 76:577 77:2225 78:1877 79:3130 80:2007 81:1637 82:1491 83:1204 84:1315 85:2963 86:727 87:1898 88:1164 89:3356 90:542 91:7604 92:2031 93:2552 94:3509 95:3844 96:1330 97:352 98:1028 99:752 100:77 101:1268 102:2197 103:29402 104:4528 105:468 106:877 107:2551 108:854 109:4311 110:1974 111:3278 112:2038 113:1470 114:1472 115:1972 116:1888 117:2426 118:2308 119:1835 120:1660 121:1029 122:2520 123:2078 124:1540 125:2045 128:1172 129:1054 130:977 131:2016 132:809 133:377 134:1937 135:303 136:893 137:862 138:2447 139:1504 140:928 141:1450 142:1307 143:1427 144:1211 145:349 146:1813 147:1522 148:2201 149:1748 150:904 151:1072 152:1856 153:462 154:3638 155:1445 156:1674 157:1270 158:1037 159:2239 160:2499 161:1267 162:3463 163:1293 164:1634 165:1639 166:761 167:1741 168:3775 169:885 170:4532 171:832 172:3288 173:3111 174:1022 175:1152 176:3598 177:4681 178:3536 179:2178 180:2352 181:3211 182:3205 183:1938 184:2346 185:19589 186:4348 187:3779 188:3974 189:3355 190:8926 191:1451 192:10950 193:8650 194:7041 195:4982 196:3038 197:2420 198:5941 199:6027 200:7481 201:5789 202:10118 203:10018 204:4491 205:3431 206:3689 207:3338 208:4002 209:4666 210:4161 211:2306 212:4027 213:3450 214:1142 215:67 216:6465 217:2639 218:1272 219:407 220:1735 221:964 222:656 223:1953 End of report