IPv4 R&E Routing Table Report 23:05 GMT Thu 28 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: 889403 Prefixes after maximum aggregation (per Origin AS): 338295 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 437066 Number of IPv4 prefixes with a valid ROA: 338822 Number of IPv4 prefixes with an invalid ROA: 1266 Number of IPv4 prefixes with no ROA: 549315 Total ASes present in the Internet Routing Table: 73270 Prefixes per ASN: 12.14 Origin-only ASes present in the Internet Routing Table: 62884 Origin ASes announcing only one prefix: 25927 Transit ASes present in the Internet Routing Table: 10386 Transit-only ASes present in the Internet Routing Table: 405 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 953 Number of instances of unregistered ASNs: 954 Number of 32-bit ASNs allocated by the RIRs: 39883 Number of 32-bit ASNs visible in the Routing Table: 33040 Prefixes from 32-bit ASNs in the Routing Table: 157093 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: 501 Number of addresses announced to Internet: 3070574592 Equivalent to 183 /8s, 5 /16s and 64 /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: 299230 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229761 Total APNIC prefixes after maximum aggregation: 66486 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224847 Unique aggregates announced from the APNIC address blocks: 96079 APNIC Region origin ASes present in the Internet Routing Table: 12737 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: 1742 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: 8028 Number of APNIC addresses announced to Internet: 772672768 Equivalent to 46 /8s, 14 /16s and 13 /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: 262888 Total ARIN prefixes after maximum aggregation: 120441 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263147 Unique aggregates announced from the ARIN address blocks: 127210 ARIN Region origin ASes present in the Internet Routing Table: 18980 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6928 ARIN Region transit ASes present in the Internet Routing Table: 1863 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: 4558 Number of ARIN addresses announced to Internet: 1295730944 Equivalent to 77 /8s, 59 /16s and 73 /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: 251881 Total RIPE prefixes after maximum aggregation: 117572 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249197 Unique aggregates announced from the RIPE address blocks: 152695 RIPE Region origin ASes present in the Internet Routing Table: 28141 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 4022 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: 10764 Number of RIPE addresses announced to Internet: 717867264 Equivalent to 42 /8s, 201 /16s and 201 /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: 115787 Total LACNIC prefixes after maximum aggregation: 27529 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115495 Unique aggregates announced from the LACNIC address blocks: 48796 LACNIC Region origin ASes present in the Internet Routing Table: 10970 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2247 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: 8700 Number of LACNIC addresses announced to Internet: 176364032 Equivalent to 10 /8s, 131 /16s and 26 /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: 28133 Total AfriNIC prefixes after maximum aggregation: 5545 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36216 Unique aggregates announced from the AfriNIC address blocks: 11866 AfriNIC Region origin ASes present in the Internet Routing Table: 1663 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 583 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: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 990 Number of AfriNIC addresses announced to Internet: 107654912 Equivalent to 6 /8s, 106 /16s and 175 /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 9027 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5927 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3589 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3511 1042 60 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3386 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2428 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2146 849 406 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 6743 10384 2682 AMAZON-02, US 11492 4515 299 658 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3822 3066 348 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3462 1782 2504 AKAMAI-AS, US 6327 3447 1319 64 SHAW, CA 749 3023 50731 2281 DNIC-AS-00749, US 30036 2594 371 310 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2524 3384 362 GOOGLE-CLOUD-PLATFORM, US 209 2373 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 6879 1730 144 UNI2-AS, ES 20940 4034 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3993 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2574 254 1329 M247, GB 34984 2245 357 634 TELLCOM-AS, TR 58224 1777 932 553 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 10793 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 1913 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 179 459 Techtel LMDS Comunicaciones Interactiva 26615 979 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 970 66 47 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 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 10793 3397 560 Uninet S.A. de C.V., MX 9808 9027 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6879 1730 144 UNI2-AS, ES 16509 6743 10384 2682 AMAZON-02, US 7545 5927 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 3993 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 9027 8981 CHINAMOBILE-CN China Mobile Communications Grou 12479 6879 6735 UNI2-AS, ES 7545 5927 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6743 4061 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3993 3954 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 3589 3570 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 /16:13504 /17:8245 /18:13786 /19:24734 /20:43040 /21:50805 /22:107621 /23:95229 /24:528071 /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 5865 6879 UNI2-AS, ES 8151 4521 10793 Uninet S.A. de C.V., MX 8551 3456 3993 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4515 CABLEONE, US 6327 3257 3447 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2844 3822 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2253 2594 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1941 2:1023 3:157 4:5 5:3826 6:111 7:6 8:1536 9:1 11:172 12:1643 13:338 14:2348 15:235 16:46 17:389 18:174 20:242 21:4 22:188 23:5822 24:2370 25:6 27:2622 29:19 31:2430 32:91 34:7 35:87 36:1844 37:4441 38:3345 39:720 40:152 41:3897 42:1123 43:2193 44:289 45:16010 46:4133 47:300 49:1691 50:1949 51:237 52:1452 54:384 55:854 56:8 57:60 58:1737 59:1110 60:963 61:2287 62:2529 63:1921 64:5575 65:2387 66:4833 67:2963 68:1190 69:4172 70:1314 71:680 72:3020 74:2628 75:1399 76:572 77:2233 78:1876 79:3127 80:2008 81:1642 82:1491 83:1203 84:1350 85:2962 86:733 87:1903 88:1167 89:3362 90:546 91:7610 92:2020 93:2556 94:3506 95:3840 96:1329 97:352 98:1026 99:752 100:77 101:1268 102:2207 103:29438 104:4518 105:468 106:878 107:2547 108:858 109:4323 110:1980 111:3278 112:2039 113:1473 114:1473 115:1973 116:1886 117:2421 118:2299 119:1834 120:1740 121:1015 122:2522 123:2083 124:1541 125:2045 128:1165 129:1043 130:971 131:2056 132:801 133:378 134:1933 135:298 136:892 137:860 138:2498 139:1489 140:928 141:1439 142:1315 143:1394 144:1206 145:347 146:1820 147:1509 148:2195 149:1751 150:865 151:1070 152:1860 153:462 154:3693 155:1451 156:1683 157:1271 158:1037 159:2224 160:2496 161:1307 162:3489 163:1313 164:1639 165:1643 166:756 167:1775 168:3795 169:879 170:4540 171:837 172:3295 173:3105 174:1024 175:1153 176:3607 177:4740 178:3537 179:2166 180:2366 181:3232 182:3196 183:1938 184:2343 185:19598 186:4414 187:3800 188:3975 189:3387 190:8926 191:1473 192:10976 193:8667 194:7062 195:5006 196:3001 197:2429 198:5950 199:6018 200:7514 201:5845 202:10119 203:10007 204:4512 205:3433 206:3684 207:3329 208:4009 209:4661 210:4167 211:2299 212:4017 213:3461 214:1134 215:65 216:6452 217:2638 218:1264 219:408 220:1738 221:961 222:656 223:1962 End of report