IPv4 R&E Routing Table Report 23:05 GMT Fri 21 Oct, 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: 896635 Prefixes after maximum aggregation (per Origin AS): 341187 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440067 Number of IPv4 prefixes with a valid ROA: 356843 Number of IPv4 prefixes with an invalid ROA: 1184 Number of IPv4 prefixes with no ROA: 538608 Total ASes present in the Internet Routing Table: 73585 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 63241 Origin ASes announcing only one prefix: 25977 Transit ASes present in the Internet Routing Table: 10344 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1058 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 40451 Number of 32-bit ASNs visible in the Routing Table: 33499 Prefixes from 32-bit ASNs in the Routing Table: 161542 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3063390976 Equivalent to 182 /8s, 151 /16s and 163 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 301642 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231595 Total APNIC prefixes after maximum aggregation: 67173 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226653 Unique aggregates announced from the APNIC address blocks: 96628 APNIC Region origin ASes present in the Internet Routing Table: 12945 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3727 APNIC Region transit ASes present in the Internet Routing Table: 1742 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8248 Number of APNIC addresses announced to Internet: 773117696 Equivalent to 46 /8s, 20 /16s and 215 /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: 265263 Total ARIN prefixes after maximum aggregation: 120743 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266513 Unique aggregates announced from the ARIN address blocks: 128610 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 14.03 ARIN Region origin ASes announcing only one prefix: 6956 ARIN Region transit ASes present in the Internet Routing Table: 1868 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: 4638 Number of ARIN addresses announced to Internet: 1289884416 Equivalent to 76 /8s, 226 /16s and 19 /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: 253715 Total RIPE prefixes after maximum aggregation: 119053 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250491 Unique aggregates announced from the RIPE address blocks: 154121 RIPE Region origin ASes present in the Internet Routing Table: 28160 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 12001 RIPE Region transit ASes present in the Internet Routing Table: 3997 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: 10845 Number of RIPE addresses announced to Internet: 716332288 Equivalent to 42 /8s, 178 /16s and 93 /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: 116295 Total LACNIC prefixes after maximum aggregation: 27841 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115800 Unique aggregates announced from the LACNIC address blocks: 48377 LACNIC Region origin ASes present in the Internet Routing Table: 10985 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2239 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: 8747 Number of LACNIC addresses announced to Internet: 175863296 Equivalent to 10 /8s, 123 /16s and 118 /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: 28709 Total AfriNIC prefixes after maximum aggregation: 5597 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36652 Unique aggregates announced from the AfriNIC address blocks: 11908 AfriNIC Region origin ASes present in the Internet Routing Table: 1696 AfriNIC Prefixes per ASN: 21.61 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 1021 Number of AfriNIC addresses announced to Internet: 107893248 Equivalent to 6 /8s, 110 /16s and 82 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5930 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 66 VNPT-AS-VN VNPT Corp, VN 4766 2291 11251 594 KIXS-AS-KR Korea Telecom, KR 9498 2273 491 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2241 851 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2152 426 222 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7416 10585 2884 AMAZON-02, US 11492 4612 305 508 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3765 3065 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3537 1846 2540 AKAMAI-AS, US 6327 3504 1320 63 SHAW, CA 749 3027 50696 2294 DNIC-AS-00749, US 7018 2645 24156 1597 ATT-INTERNET4, US 30036 2600 367 258 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2554 3479 346 GOOGLE-CLOUD-PLATFORM, 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 6909 1730 144 UNI2-AS, ES 20940 4096 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2620 252 1346 M247, RO 6849 2477 339 20 UKRTELNET, UA 34984 2243 357 616 TELLCOM-AS, TR 58224 1689 910 638 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 10748 3314 605 Uninet S.A. de C.V., MX 10620 3469 510 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2076 338 538 Mega Cable, S.A. de C.V., MX 28573 1337 2330 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11664 1089 181 466 Techtel LMDS Comunicaciones Interactiva 26615 986 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 1574 393 21 LINKdotNET-AS, EG 24835 1518 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1260 550 99 MT-MPLS, MA 29571 1014 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 485 32 1 MOVITEL, MZ 23889 399 231 14 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 10748 3314 605 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7416 10585 2884 AMAZON-02, US 12479 6909 1730 144 UNI2-AS, ES 7545 5930 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4612 305 508 CABLEONE, US 20940 4096 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3899 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 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6909 6765 UNI2-AS, ES 7545 5930 5236 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7416 4532 AMAZON-02, US 11492 4612 4104 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4096 3924 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 7552 3594 3574 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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 2914 NTT-LTD-2914, US 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 /11:100 /12:294 /13:586 /14:1197 /15:2078 /16:13464 /17:8288 /18:13841 /19:24807 /20:43056 /21:50712 /22:108176 /23:96002 /24:533960 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5918 6909 UNI2-AS, ES 8151 4744 10748 Uninet S.A. de C.V., MX 11492 3519 4612 CABLEONE, US 8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3312 3504 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2781 3765 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2340 2477 UKRTELNET, UA 30036 2260 2600 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1893 2:1028 3:166 4:5 5:3945 6:116 7:5 8:1552 9:1 11:173 12:1623 13:347 14:2366 15:275 16:69 17:360 18:343 20:241 21:4 22:188 23:5951 24:2459 25:6 27:2712 29:19 31:2450 32:91 34:7 35:90 36:1890 37:4482 38:3661 39:754 40:159 41:3965 42:1168 43:2265 44:295 45:16227 46:4205 47:367 49:1698 50:1918 51:242 52:1500 54:394 55:840 56:8 57:79 58:1720 59:1087 60:995 61:2316 62:2536 63:1967 64:5606 65:2323 66:4817 67:2961 68:1376 69:4148 70:1300 71:678 72:2995 74:2642 75:1473 76:586 77:2244 78:1819 79:3155 80:2056 81:1680 82:1527 83:1217 84:1407 85:2952 86:735 87:1915 88:1168 89:3429 90:545 91:7590 92:2077 93:2544 94:3546 95:3855 96:1345 97:347 98:1171 99:739 100:68 101:1294 102:2344 103:30179 104:4525 105:476 106:887 107:2540 108:893 109:4333 110:2009 111:3280 112:2061 113:1484 114:1514 115:1986 116:1892 117:2483 118:2317 119:1839 120:1706 121:1020 122:2544 123:2105 124:1495 125:2118 128:1187 129:968 130:962 131:2002 132:822 133:379 134:1902 135:289 136:868 137:889 138:2530 139:1519 140:1130 141:1474 142:1388 143:1417 144:1201 145:349 146:1865 147:1528 148:2238 149:1833 150:873 151:1121 152:1944 153:469 154:3769 155:1425 156:1638 157:1303 158:1041 159:2184 160:2571 161:1370 162:3495 163:1429 164:1670 165:1648 166:801 167:1729 168:3781 169:891 170:4535 171:848 172:3452 173:3097 174:1030 175:1157 176:3575 177:4752 178:3554 179:2101 180:2365 181:3277 182:3072 183:1943 184:2353 185:19839 186:4533 187:3946 188:4034 189:3445 190:8973 191:1450 192:10938 193:8730 194:7143 195:5054 196:3048 197:2457 198:5934 199:6054 200:7530 201:5825 202:10132 203:10018 204:4558 205:3450 206:3802 207:3384 208:4081 209:4762 210:4117 211:2324 212:4008 213:3555 214:1092 215:53 216:6466 217:2623 218:1271 219:404 220:1786 221:922 222:655 223:1978 End of report