IPv4 R&E Routing Table Report 23:05 GMT Thu 21 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: 888363 Prefixes after maximum aggregation (per Origin AS): 337904 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436566 Number of IPv4 prefixes with a valid ROA: 336987 Number of IPv4 prefixes with an invalid ROA: 1303 Number of IPv4 prefixes with no ROA: 550073 Total ASes present in the Internet Routing Table: 73229 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62872 Origin ASes announcing only one prefix: 25876 Transit ASes present in the Internet Routing Table: 10357 Transit-only ASes present in the Internet Routing Table: 404 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: 958 Number of instances of unregistered ASNs: 962 Number of 32-bit ASNs allocated by the RIRs: 39832 Number of 32-bit ASNs visible in the Routing Table: 32976 Prefixes from 32-bit ASNs in the Routing Table: 156866 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: 500 Number of addresses announced to Internet: 3067092480 Equivalent to 182 /8s, 208 /16s and 30 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 298768 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229526 Total APNIC prefixes after maximum aggregation: 66390 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224598 Unique aggregates announced from the APNIC address blocks: 95656 APNIC Region origin ASes present in the Internet Routing Table: 12712 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3663 APNIC Region transit ASes present in the Internet Routing Table: 1733 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: 7994 Number of APNIC addresses announced to Internet: 772318208 Equivalent to 46 /8s, 8 /16s and 164 /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: 262699 Total ARIN prefixes after maximum aggregation: 120390 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263023 Unique aggregates announced from the ARIN address blocks: 127078 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: 6928 ARIN Region transit ASes present in the Internet Routing Table: 1866 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: 4548 Number of ARIN addresses announced to Internet: 1295638528 Equivalent to 77 /8s, 57 /16s and 224 /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: 251604 Total RIPE prefixes after maximum aggregation: 117403 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248922 Unique aggregates announced from the RIPE address blocks: 152845 RIPE Region origin ASes present in the Internet Routing Table: 28139 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12057 RIPE Region transit ASes present in the Internet Routing Table: 4006 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: 714660352 Equivalent to 42 /8s, 152 /16s and 218 /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: 115464 Total LACNIC prefixes after maximum aggregation: 27499 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115190 Unique aggregates announced from the LACNIC address blocks: 48810 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2248 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: 176474368 Equivalent to 10 /8s, 132 /16s and 201 /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: 28112 Total AfriNIC prefixes after maximum aggregation: 5504 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36130 Unique aggregates announced from the AfriNIC address blocks: 11756 AfriNIC Region origin ASes present in the Internet Routing Table: 1649 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 572 AfriNIC Region transit ASes present in the Internet Routing Table: 324 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: 977 Number of AfriNIC addresses announced to Internet: 107717632 Equivalent to 6 /8s, 107 /16s and 164 /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 9034 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 3394 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2133 848 408 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 6724 10382 2683 AMAZON-02, US 11492 4485 298 690 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3843 3067 354 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3464 1784 2505 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 3016 50733 2274 DNIC-AS-00749, US 30036 2606 373 266 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2379 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 6872 1730 144 UNI2-AS, ES 20940 4015 3360 195 AKAMAI-ASN1, NL 8551 4006 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 12389 2892 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2571 254 1334 M247, GB 34984 2249 358 637 TELLCOM-AS, TR 58224 1776 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 10773 3397 559 Uninet S.A. de C.V., MX 10620 3480 515 773 Telmex Colombia S.A., CO 11830 2421 369 64 Instituto Costarricense de Electricidad 13999 1909 312 506 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 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 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 10773 3397 559 Uninet S.A. de C.V., MX 9808 9034 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6872 1730 144 UNI2-AS, ES 16509 6724 10382 2683 AMAZON-02, US 7545 5922 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4485 298 690 CABLEONE, US 20940 4015 3360 195 AKAMAI-ASN1, NL 8551 4006 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 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 9034 8988 CHINAMOBILE-CN China Mobile Communications Grou 12479 6872 6728 UNI2-AS, ES 7545 5922 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6724 4041 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 20940 4015 3820 AKAMAI-ASN1, NL 11492 4485 3795 CABLEONE, US 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 /15:2095 /16:13494 /17:8248 /18:13766 /19:24731 /20:43013 /21:50785 /22:107531 /23:95186 /24:527246 /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 5857 6872 UNI2-AS, ES 8151 4503 10773 Uninet S.A. de C.V., MX 8551 3469 4006 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3399 4485 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2859 3843 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) ---------------------------------------------- 1:1911 2:1030 3:157 4:5 5:3822 6:110 7:6 8:1535 9:1 11:172 12:1643 13:329 14:2343 15:234 16:47 17:388 18:176 20:242 21:4 22:188 23:5796 24:2355 25:6 27:2611 29:19 31:2434 32:92 34:7 35:87 36:1835 37:4407 38:3302 39:720 40:152 41:3878 42:1121 43:2202 44:291 45:15992 46:4127 47:299 49:1691 50:1950 51:237 52:1453 54:386 55:855 56:8 57:60 58:1720 59:1106 60:962 61:2271 62:2525 63:1919 64:5581 65:2382 66:4836 67:2966 68:1178 69:4166 70:1313 71:680 72:3022 74:2626 75:1398 76:577 77:2222 78:1881 79:3129 80:2007 81:1638 82:1490 83:1203 84:1340 85:2960 86:726 87:1898 88:1164 89:3342 90:546 91:7603 92:1996 93:2557 94:3488 95:3845 96:1328 97:352 98:1029 99:751 100:77 101:1269 102:2182 103:29428 104:4528 105:468 106:877 107:2551 108:856 109:4314 110:1972 111:3281 112:2038 113:1468 114:1472 115:1972 116:1893 117:2427 118:2307 119:1835 120:1673 121:1026 122:2523 123:2078 124:1541 125:2044 128:1172 129:1054 130:976 131:2034 132:807 133:377 134:1934 135:303 136:892 137:862 138:2466 139:1505 140:927 141:1451 142:1307 143:1418 144:1214 145:350 146:1815 147:1509 148:2204 149:1741 150:866 151:1072 152:1854 153:462 154:3651 155:1443 156:1675 157:1270 158:1034 159:2238 160:2498 161:1267 162:3464 163:1303 164:1632 165:1639 166:762 167:1748 168:3789 169:886 170:4535 171:832 172:3286 173:3110 174:1023 175:1152 176:3600 177:4665 178:3534 179:2179 180:2364 181:3203 182:3206 183:1938 184:2343 185:19585 186:4344 187:3796 188:3972 189:3383 190:8920 191:1434 192:10947 193:8655 194:7043 195:4987 196:3033 197:2396 198:5944 199:6021 200:7487 201:5858 202:10127 203:10015 204:4520 205:3426 206:3690 207:3343 208:4003 209:4670 210:4164 211:2306 212:4023 213:3454 214:1146 215:67 216:6465 217:2647 218:1271 219:407 220:1741 221:965 222:656 223:1955 End of report