IPv4 R&E Routing Table Report 23:05 GMT Wed 27 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: 889199 Prefixes after maximum aggregation (per Origin AS): 338220 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436931 Number of IPv4 prefixes with a valid ROA: 338094 Number of IPv4 prefixes with an invalid ROA: 1260 Number of IPv4 prefixes with no ROA: 549845 Total ASes present in the Internet Routing Table: 73269 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62890 Origin ASes announcing only one prefix: 25934 Transit ASes present in the Internet Routing Table: 10379 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: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 957 Number of instances of unregistered ASNs: 960 Number of 32-bit ASNs allocated by the RIRs: 39876 Number of 32-bit ASNs visible in the Routing Table: 33029 Prefixes from 32-bit ASNs in the Routing Table: 156945 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: 3071040256 Equivalent to 183 /8s, 12 /16s and 91 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 299164 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229654 Total APNIC prefixes after maximum aggregation: 66484 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224777 Unique aggregates announced from the APNIC address blocks: 96016 APNIC Region origin ASes present in the Internet Routing Table: 12732 APNIC Prefixes per ASN: 17.65 APNIC Region origin ASes announcing only one prefix: 3687 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 8018 Number of APNIC addresses announced to Internet: 772750080 Equivalent to 46 /8s, 15 /16s and 59 /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: 262974 Total ARIN prefixes after maximum aggregation: 120455 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263195 Unique aggregates announced from the ARIN address blocks: 127234 ARIN Region origin ASes present in the Internet Routing Table: 18980 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6929 ARIN Region transit ASes present in the Internet Routing Table: 1864 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: 4554 Number of ARIN addresses announced to Internet: 1295893760 Equivalent to 77 /8s, 61 /16s and 197 /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: 251801 Total RIPE prefixes after maximum aggregation: 117528 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249150 Unique aggregates announced from the RIPE address blocks: 152670 RIPE Region origin ASes present in the Internet Routing Table: 28146 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: 4021 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: 10767 Number of RIPE addresses announced to Internet: 717849344 Equivalent to 42 /8s, 201 /16s and 131 /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: 115657 Total LACNIC prefixes after maximum aggregation: 27507 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115363 Unique aggregates announced from the LACNIC address blocks: 48764 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2243 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: 8701 Number of LACNIC addresses announced to Internet: 176492032 Equivalent to 10 /8s, 133 /16s and 14 /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: 28156 Total AfriNIC prefixes after maximum aggregation: 5525 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36212 Unique aggregates announced from the AfriNIC address blocks: 11826 AfriNIC Region origin ASes present in the Internet Routing Table: 1662 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 579 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 989 Number of AfriNIC addresses announced to Internet: 107770880 Equivalent to 6 /8s, 108 /16s and 116 /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 9033 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5924 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3584 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3507 1042 60 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3382 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 594 KIXS-AS-KR Korea Telecom, KR 24560 2146 850 404 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 217 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 6719 10380 2676 AMAZON-02, US 11492 4515 299 658 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3826 3067 349 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3462 1782 2504 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 3024 50732 2282 DNIC-AS-00749, US 30036 2599 371 290 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2522 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2376 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 6887 1730 144 UNI2-AS, ES 20940 4034 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3994 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2573 254 1328 M247, GB 34984 2245 357 636 TELLCOM-AS, TR 58224 1778 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 10791 3397 560 Uninet S.A. de C.V., MX 10620 3480 515 777 Telmex Colombia S.A., CO 11830 2412 369 64 Instituto Costarricense de Electricidad 13999 1914 312 509 Mega Cable, S.A. de C.V., MX 28573 1359 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1266 693 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 370 21 Telefonica del Peru S.A.A., PE 11664 1009 180 459 Techtel LMDS Comunicaciones Interactiva 26615 976 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 1546 521 31 RAYA-AS, EG 36992 1326 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 969 66 47 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 517 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 10791 3397 560 Uninet S.A. de C.V., MX 9808 9033 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6887 1730 144 UNI2-AS, ES 16509 6719 10380 2676 AMAZON-02, US 7545 5924 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 658 CABLEONE, US 20940 4034 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3994 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 9033 8987 CHINAMOBILE-CN China Mobile Communications Grou 12479 6887 6743 UNI2-AS, ES 7545 5924 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6719 4043 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3994 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 11492 4515 3857 CABLEONE, US 20940 4034 3840 AKAMAI-ASN1, NL 7552 3584 3565 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 /15:2099 /16:13507 /17:8255 /18:13775 /19:24739 /20:43058 /21:50806 /22:107620 /23:95253 /24:527818 /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 5873 6887 UNI2-AS, ES 8151 4519 10791 Uninet S.A. de C.V., MX 8551 3457 3994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4515 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2847 3826 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2258 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1935 2:1024 3:157 4:5 5:3827 6:110 7:6 8:1535 9:1 11:172 12:1641 13:336 14:2343 15:231 16:47 17:389 18:179 20:242 21:4 22:188 23:5785 24:2363 25:6 27:2623 29:19 31:2425 32:92 34:7 35:87 36:1841 37:4439 38:3338 39:720 40:152 41:3893 42:1122 43:2190 44:288 45:15981 46:4128 47:300 49:1694 50:1948 51:237 52:1454 54:384 55:853 56:8 57:60 58:1735 59:1110 60:962 61:2288 62:2511 63:1922 64:5580 65:2387 66:4835 67:2963 68:1192 69:4173 70:1314 71:680 72:3020 74:2631 75:1400 76:576 77:2235 78:1876 79:3127 80:2008 81:1639 82:1489 83:1204 84:1352 85:2965 86:733 87:1900 88:1165 89:3355 90:544 91:7616 92:2020 93:2556 94:3503 95:3843 96:1329 97:352 98:1029 99:752 100:77 101:1267 102:2192 103:29407 104:4515 105:468 106:879 107:2545 108:855 109:4322 110:1978 111:3278 112:2039 113:1470 114:1470 115:1978 116:1887 117:2426 118:2299 119:1835 120:1738 121:1027 122:2522 123:2080 124:1541 125:2047 128:1166 129:1048 130:973 131:2031 132:801 133:378 134:1934 135:300 136:892 137:872 138:2481 139:1494 140:928 141:1439 142:1311 143:1383 144:1205 145:350 146:1821 147:1509 148:2198 149:1749 150:864 151:1073 152:1856 153:462 154:3682 155:1448 156:1679 157:1276 158:1038 159:2221 160:2498 161:1310 162:3517 163:1315 164:1634 165:1644 166:756 167:1775 168:3780 169:877 170:4520 171:836 172:3302 173:3106 174:1024 175:1154 176:3603 177:4727 178:3539 179:2171 180:2363 181:3229 182:3195 183:1938 184:2343 185:19593 186:4400 187:3810 188:3959 189:3388 190:8923 191:1441 192:10967 193:8661 194:7054 195:5002 196:3027 197:2418 198:5944 199:6006 200:7513 201:5867 202:10117 203:10013 204:4511 205:3437 206:3685 207:3327 208:4010 209:4661 210:4169 211:2303 212:4022 213:3467 214:1134 215:65 216:6448 217:2641 218:1265 219:408 220:1738 221:966 222:656 223:1962 End of report