IPv4 R&E Routing Table Report 23:05 GMT Fri 01 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: 886584 Prefixes after maximum aggregation (per Origin AS): 337197 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434356 Number of IPv4 prefixes with a valid ROA: 333281 Number of IPv4 prefixes with an invalid ROA: 1267 Number of IPv4 prefixes with no ROA: 552036 Total ASes present in the Internet Routing Table: 73134 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62770 Origin ASes announcing only one prefix: 25832 Transit ASes present in the Internet Routing Table: 10364 Transit-only ASes present in the Internet Routing Table: 388 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: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 872 Number of instances of unregistered ASNs: 875 Number of 32-bit ASNs allocated by the RIRs: 39718 Number of 32-bit ASNs visible in the Routing Table: 32852 Prefixes from 32-bit ASNs in the Routing Table: 156014 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 485 Number of addresses announced to Internet: 3067352320 Equivalent to 182 /8s, 212 /16s and 21 /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: 297943 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229220 Total APNIC prefixes after maximum aggregation: 66347 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224460 Unique aggregates announced from the APNIC address blocks: 95341 APNIC Region origin ASes present in the Internet Routing Table: 12671 APNIC Prefixes per ASN: 17.71 APNIC Region origin ASes announcing only one prefix: 3639 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: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7948 Number of APNIC addresses announced to Internet: 772348160 Equivalent to 46 /8s, 9 /16s and 25 /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: 262122 Total ARIN prefixes after maximum aggregation: 120089 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262349 Unique aggregates announced from the ARIN address blocks: 126780 ARIN Region origin ASes present in the Internet Routing Table: 18974 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6915 ARIN Region transit ASes present in the Internet Routing Table: 1876 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4524 Number of ARIN addresses announced to Internet: 1296628736 Equivalent to 77 /8s, 72 /16s and 252 /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: 250987 Total RIPE prefixes after maximum aggregation: 117145 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248187 Unique aggregates announced from the RIPE address blocks: 151650 RIPE Region origin ASes present in the Internet Routing Table: 28128 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 4009 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10717 Number of RIPE addresses announced to Internet: 713904384 Equivalent to 42 /8s, 141 /16s and 81 /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: 115317 Total LACNIC prefixes after maximum aggregation: 27425 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115087 Unique aggregates announced from the LACNIC address blocks: 48735 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2239 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8690 Number of LACNIC addresses announced to Internet: 176400896 Equivalent to 10 /8s, 131 /16s and 170 /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: 28066 Total AfriNIC prefixes after maximum aggregation: 5518 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36016 Unique aggregates announced from the AfriNIC address blocks: 11438 AfriNIC Region origin ASes present in the Internet Routing Table: 1647 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 575 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: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 973 Number of AfriNIC addresses announced to Internet: 107791360 Equivalent to 6 /8s, 108 /16s and 196 /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 9254 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3565 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3495 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11123 594 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2122 424 215 TATACOMM-AS TATA Communications formerl 24560 2098 851 402 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6705 10380 2679 AMAZON-02, US 11492 4508 299 676 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3879 3146 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3469 1784 2505 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2991 50739 2249 DNIC-AS-00749, US 30036 2631 374 139 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2432 4952 415 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 6885 1730 144 UNI2-AS, ES 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3988 3360 195 AKAMAI-ASN1, NL 12389 2890 2289 908 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2562 253 1328 M247, GB 34984 2245 358 634 TELLCOM-AS, TR 58224 1802 935 589 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 10772 3403 550 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1896 311 499 Mega Cable, S.A. de C.V., MX 28573 1369 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 524 Axtel, S.A.B. de C.V., MX 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1033 190 441 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 1613 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 463 32 1 MOVITEL, MZ 23889 411 232 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 10772 3403 550 Uninet S.A. de C.V., MX 9808 9254 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6885 1730 144 UNI2-AS, ES 16509 6705 10380 2679 AMAZON-02, US 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4508 299 676 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3988 3360 195 AKAMAI-ASN1, NL 7155 3901 264 31 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 9254 9208 CHINAMOBILE-CN China Mobile Communications Grou 12479 6885 6741 UNI2-AS, ES 7545 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6705 4026 AMAZON-02, US 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4508 3832 CABLEONE, US 20940 3988 3793 AKAMAI-ASN1, NL 7552 3565 3546 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 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 395438 UNALLOCATED 8.42.206.0/24 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 /10:40 /11:100 /12:303 /13:590 /14:1201 /15:2092 /16:13488 /17:8271 /18:13750 /19:24744 /20:43086 /21:50776 /22:107320 /23:95121 /24:525667 /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 5863 6885 UNI2-AS, ES 8151 4495 10772 Uninet S.A. de C.V., MX 8551 3473 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3415 4508 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2897 3879 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2288 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1917 2:1039 3:157 4:5 5:3802 6:109 7:6 8:1526 9:1 11:172 12:1645 13:336 14:2342 15:228 16:44 17:384 18:175 19:1 20:222 21:4 22:188 23:5730 24:2365 25:6 27:2612 29:19 31:2445 32:92 34:7 35:87 36:1827 37:4425 38:3171 39:712 40:152 41:3908 42:1118 43:2197 44:292 45:15916 46:4111 47:301 49:1681 50:1939 51:237 52:1456 54:386 55:844 56:8 57:59 58:1704 59:1112 60:963 61:2264 62:2504 63:1931 64:5523 65:2343 66:4841 67:2956 68:1188 69:4169 70:1323 71:679 72:3042 74:2620 75:1395 76:573 77:2219 78:1835 79:3133 80:1990 81:1621 82:1495 83:1208 84:1318 85:2941 86:712 87:1911 88:1149 89:3321 90:541 91:7600 92:2007 93:2542 94:3451 95:3830 96:1308 97:351 98:1004 99:751 100:76 101:1280 102:2111 103:29252 104:4479 105:467 106:871 107:2547 108:841 109:4270 110:1972 111:3284 112:2037 113:1467 114:1481 115:1969 116:1886 117:2562 118:2301 119:1835 120:1660 121:1024 122:2504 123:2089 124:1538 125:2046 128:1183 129:1054 130:974 131:2004 132:810 133:377 134:1934 135:279 136:889 137:865 138:2431 139:1524 140:888 141:1439 142:1294 143:1430 144:1202 145:347 146:1807 147:1507 148:2207 149:1720 150:859 151:1069 152:1845 153:459 154:3556 155:1444 156:1685 157:1260 158:1039 159:2228 160:2488 161:1285 162:3472 163:1279 164:1627 165:1624 166:748 167:1748 168:3783 169:883 170:4510 171:831 172:3223 173:3120 174:1017 175:1150 176:3529 177:4634 178:3528 179:2149 180:2328 181:3037 182:3208 183:1955 184:2343 185:19594 186:4312 187:3792 188:3953 189:3387 190:8933 191:1408 192:10984 193:8657 194:7057 195:4939 196:3041 197:2416 198:5941 199:6033 200:7487 201:5869 202:10099 203:9999 204:4529 205:3471 206:3647 207:3340 208:4004 209:4652 210:4142 211:2315 212:4011 213:3433 214:1148 215:66 216:6469 217:2633 218:1271 219:408 220:1719 221:969 222:654 223:2154 End of report