IPv4 R&E Routing Table Report 23:05 GMT Tue 30 Aug, 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: 892210 Prefixes after maximum aggregation (per Origin AS): 339635 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438369 Number of IPv4 prefixes with a valid ROA: 348026 Number of IPv4 prefixes with an invalid ROA: 1494 Number of IPv4 prefixes with no ROA: 542690 Total ASes present in the Internet Routing Table: 73409 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63037 Origin ASes announcing only one prefix: 25985 Transit ASes present in the Internet Routing Table: 10372 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 965 Number of instances of unregistered ASNs: 965 Number of 32-bit ASNs allocated by the RIRs: 40088 Number of 32-bit ASNs visible in the Routing Table: 33215 Prefixes from 32-bit ASNs in the Routing Table: 158692 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3068097024 Equivalent to 182 /8s, 223 /16s and 114 /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: 299810 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230623 Total APNIC prefixes after maximum aggregation: 66754 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225796 Unique aggregates announced from the APNIC address blocks: 96209 APNIC Region origin ASes present in the Internet Routing Table: 12813 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3710 APNIC Region transit ASes present in the Internet Routing Table: 1752 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8114 Number of APNIC addresses announced to Internet: 772827904 Equivalent to 46 /8s, 16 /16s and 107 /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: 263313 Total ARIN prefixes after maximum aggregation: 120701 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263736 Unique aggregates announced from the ARIN address blocks: 127574 ARIN Region origin ASes present in the Internet Routing Table: 18983 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6926 ARIN Region transit ASes present in the Internet Routing Table: 1858 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4581 Number of ARIN addresses announced to Internet: 1293479936 Equivalent to 77 /8s, 24 /16s and 240 /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: 252734 Total RIPE prefixes after maximum aggregation: 118194 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249863 Unique aggregates announced from the RIPE address blocks: 153274 RIPE Region origin ASes present in the Internet Routing Table: 28172 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12064 RIPE Region transit ASes present in the Internet Routing Table: 4025 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: 10794 Number of RIPE addresses announced to Internet: 717307904 Equivalent to 42 /8s, 193 /16s and 64 /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: 116258 Total LACNIC prefixes after maximum aggregation: 27701 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115912 Unique aggregates announced from the LACNIC address blocks: 48982 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2227 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: 8713 Number of LACNIC addresses announced to Internet: 176349696 Equivalent to 10 /8s, 130 /16s and 226 /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: 28317 Total AfriNIC prefixes after maximum aggregation: 5550 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36390 Unique aggregates announced from the AfriNIC address blocks: 11890 AfriNIC Region origin ASes present in the Internet Routing Table: 1683 AfriNIC Prefixes per ASN: 21.62 AfriNIC Region origin ASes announcing only one prefix: 595 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: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1013 Number of AfriNIC addresses announced to Internet: 107846400 Equivalent to 6 /8s, 109 /16s and 155 /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 9117 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5925 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2260 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 425 214 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 6965 10426 2803 AMAZON-02, US 11492 4537 301 580 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3802 3063 346 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3503 1811 2520 AKAMAI-AS, US 6327 3452 1319 63 SHAW, CA 749 3036 50728 2294 DNIC-AS-00749, US 30036 2611 371 236 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2530 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2360 4936 403 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 6890 1730 144 UNI2-AS, ES 20940 4058 3359 194 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3999 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2589 252 1330 M247, GB 34984 2266 359 633 TELLCOM-AS, TR 58224 1765 929 509 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 10891 3394 555 Uninet S.A. de C.V., MX 10620 3496 515 789 Telmex Colombia S.A., CO 11830 2339 369 64 Instituto Costarricense de Electricidad 13999 1980 321 507 Mega Cable, S.A. de C.V., MX 28573 1360 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1272 699 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1051 180 468 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1602 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 991 67 42 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 520 52 39 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 10891 3394 555 Uninet S.A. de C.V., MX 9808 9117 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6965 10426 2803 AMAZON-02, US 12479 6890 1730 144 UNI2-AS, ES 7545 5925 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4537 301 580 CABLEONE, US 20940 4058 3359 194 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3999 374 38 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 9117 9070 CHINAMOBILE-CN China Mobile Communications Grou 12479 6890 6746 UNI2-AS, ES 7545 5925 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6965 4162 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3999 3961 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4537 3957 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4058 3864 AKAMAI-ASN1, NL 7552 3583 3563 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 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 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 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 /10:38 /11:101 /12:298 /13:590 /14:1204 /15:2099 /16:13510 /17:8274 /18:13812 /19:24772 /20:43153 /21:50865 /22:107787 /23:95595 /24:530077 /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 5877 6890 UNI2-AS, ES 8151 4616 10891 Uninet S.A. de C.V., MX 8551 3458 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3454 4537 CABLEONE, US 6327 3262 3452 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2828 3802 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2267 2611 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1943 2:1024 3:158 4:5 5:3863 6:115 7:6 8:1542 9:1 11:172 12:1636 13:340 14:2356 15:249 16:46 17:359 18:217 20:243 21:4 22:188 23:5905 24:2394 25:6 27:2653 29:19 31:2415 32:90 34:7 35:88 36:1872 37:4477 38:3452 39:723 40:148 41:3934 42:1130 43:2213 44:288 45:16109 46:4165 47:301 49:1713 50:1956 51:239 52:1464 54:385 55:842 56:8 57:60 58:1722 59:1107 60:976 61:2288 62:2535 63:1915 64:5553 65:2295 66:4831 67:2961 68:1206 69:4140 70:1308 71:679 72:3008 74:2623 75:1404 76:584 77:2248 78:1912 79:3124 80:2048 81:1627 82:1482 83:1213 84:1361 85:2986 86:734 87:1905 88:1175 89:3414 90:549 91:7638 92:2052 93:2539 94:3524 95:3879 96:1298 97:350 98:1027 99:720 100:77 101:1289 102:2281 103:29734 104:4565 105:469 106:887 107:2561 108:867 109:4324 110:1999 111:3295 112:2053 113:1476 114:1478 115:1984 116:1890 117:2478 118:2327 119:1816 120:1764 121:1010 122:2510 123:2078 124:1538 125:2075 128:1178 129:1029 130:997 131:2043 132:802 133:378 134:1931 135:300 136:861 137:872 138:2529 139:1511 140:937 141:1457 142:1335 143:1416 144:1197 145:341 146:1813 147:1512 148:2207 149:1784 150:860 151:1081 152:1869 153:465 154:3671 155:1446 156:1702 157:1280 158:1033 159:2195 160:2515 161:1322 162:3490 163:1394 164:1627 165:1646 166:781 167:1767 168:3787 169:874 170:4530 171:860 172:3339 173:3110 174:1020 175:1156 176:3612 177:4716 178:3571 179:2160 180:2368 181:3249 182:3193 183:1936 184:2373 185:19631 186:4554 187:3840 188:3984 189:3413 190:9032 191:1455 192:10951 193:8668 194:7093 195:5040 196:3046 197:2440 198:5947 199:6012 200:7565 201:5792 202:10107 203:9984 204:4500 205:3426 206:3693 207:3387 208:4044 209:4668 210:4130 211:2295 212:4030 213:3465 214:1118 215:66 216:6355 217:2637 218:1267 219:405 220:1749 221:948 222:656 223:1968 End of report