IPv4 R&E Routing Table Report 23:05 GMT Mon 24 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: 896584 Prefixes after maximum aggregation (per Origin AS): 341124 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439948 Number of IPv4 prefixes with a valid ROA: 357011 Number of IPv4 prefixes with an invalid ROA: 1159 Number of IPv4 prefixes with no ROA: 538414 Total ASes present in the Internet Routing Table: 73450 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63119 Origin ASes announcing only one prefix: 25958 Transit ASes present in the Internet Routing Table: 10331 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1055 Number of instances of unregistered ASNs: 1058 Number of 32-bit ASNs allocated by the RIRs: 40481 Number of 32-bit ASNs visible in the Routing Table: 33393 Prefixes from 32-bit ASNs in the Routing Table: 161216 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: 527 Number of addresses announced to Internet: 3062770176 Equivalent to 182 /8s, 142 /16s and 42 /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: 301764 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231385 Total APNIC prefixes after maximum aggregation: 67069 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226390 Unique aggregates announced from the APNIC address blocks: 96411 APNIC Region origin ASes present in the Internet Routing Table: 12847 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3726 APNIC Region transit ASes present in the Internet Routing Table: 1745 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: 8149 Number of APNIC addresses announced to Internet: 773102592 Equivalent to 46 /8s, 20 /16s and 156 /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: 265373 Total ARIN prefixes after maximum aggregation: 120863 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266621 Unique aggregates announced from the ARIN address blocks: 128607 ARIN Region origin ASes present in the Internet Routing Table: 18995 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 6954 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: 4636 Number of ARIN addresses announced to Internet: 1289667840 Equivalent to 76 /8s, 222 /16s and 197 /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: 253641 Total RIPE prefixes after maximum aggregation: 119012 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250465 Unique aggregates announced from the RIPE address blocks: 154138 RIPE Region origin ASes present in the Internet Routing Table: 28136 RIPE Prefixes per ASN: 8.90 RIPE Region origin ASes announcing only one prefix: 11988 RIPE Region transit ASes present in the Internet Routing Table: 3983 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: 10846 Number of RIPE addresses announced to Internet: 716258816 Equivalent to 42 /8s, 177 /16s and 62 /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: 116384 Total LACNIC prefixes after maximum aggregation: 27806 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115886 Unique aggregates announced from the LACNIC address blocks: 48406 LACNIC Region origin ASes present in the Internet Routing Table: 10981 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2237 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: 8741 Number of LACNIC addresses announced to Internet: 175564800 Equivalent to 10 /8s, 118 /16s and 232 /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: 28746 Total AfriNIC prefixes after maximum aggregation: 5600 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36695 Unique aggregates announced from the AfriNIC address blocks: 11961 AfriNIC Region origin ASes present in the Internet Routing Table: 1694 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 322 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: 107875584 Equivalent to 6 /8s, 110 /16s and 13 /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 5928 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 4766 2291 11251 594 KIXS-AS-KR Korea Telecom, KR 9498 2274 491 235 BBIL-AP BHARTI Airtel Ltd., IN 24560 2242 851 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2151 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 7432 10585 2912 AMAZON-02, US 11492 4612 305 508 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3730 3063 341 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3544 1850 2542 AKAMAI-AS, US 6327 3506 1320 63 SHAW, CA 749 3027 50696 2294 DNIC-AS-00749, US 7018 2650 24156 1601 ATT-INTERNET4, US 30036 2593 367 291 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2555 3479 347 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 6910 1730 144 UNI2-AS, ES 20940 4097 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2619 252 1345 M247, RO 6849 2477 339 20 UKRTELNET, UA 34984 2240 357 615 TELLCOM-AS, TR 58224 1698 912 635 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 10824 3315 602 Uninet S.A. de C.V., MX 10620 3469 510 837 Telmex Colombia S.A., CO 11830 2299 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 1085 180 465 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1572 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 1018 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 495 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 10824 3315 602 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7432 10585 2912 AMAZON-02, US 12479 6910 1730 144 UNI2-AS, ES 7545 5928 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4612 305 508 CABLEONE, US 20940 4097 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 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 6910 6766 UNI2-AS, ES 7545 5928 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7432 4520 AMAZON-02, US 11492 4612 4104 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4097 3925 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 /15:2077 /16:13456 /17:8283 /18:13843 /19:24820 /20:43050 /21:50731 /22:108253 /23:95992 /24:533828 /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 6910 UNI2-AS, ES 8151 4785 10824 Uninet S.A. de C.V., MX 11492 3519 4612 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3314 3506 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2751 3730 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2340 2477 UKRTELNET, UA 30036 2253 2593 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1889 2:1025 3:166 4:5 5:3976 6:111 7:5 8:1553 9:1 11:173 12:1624 13:355 14:2366 15:275 16:69 17:358 18:341 20:241 21:4 22:188 23:5953 24:2456 25:6 27:2712 29:19 31:2449 32:91 34:7 35:90 36:1888 37:4480 38:3717 39:754 40:159 41:3949 42:1168 43:2266 44:297 45:16224 46:4194 47:367 49:1699 50:1916 51:242 52:1500 54:395 55:839 56:8 57:79 58:1719 59:1087 60:995 61:2317 62:2562 63:1966 64:5598 65:2322 66:4805 67:2961 68:1368 69:4141 70:1286 71:677 72:2993 74:2643 75:1471 76:597 77:2244 78:1823 79:3154 80:2052 81:1672 82:1534 83:1217 84:1413 85:2948 86:735 87:1913 88:1167 89:3430 90:545 91:7591 92:2068 93:2540 94:3537 95:3848 96:1346 97:347 98:1169 99:739 100:68 101:1297 102:2366 103:29907 104:4519 105:474 106:887 107:2539 108:891 109:4329 110:2007 111:3286 112:2060 113:1484 114:1511 115:1986 116:1894 117:2482 118:2317 119:1837 120:1706 121:1019 122:2545 123:2103 124:1491 125:2118 128:1188 129:969 130:961 131:2003 132:818 133:379 134:1903 135:289 136:871 137:891 138:2528 139:1519 140:1129 141:1471 142:1385 143:1411 144:1198 145:351 146:1854 147:1528 148:2221 149:1832 150:874 151:1129 152:1941 153:469 154:3769 155:1425 156:1638 157:1304 158:1046 159:2191 160:2569 161:1368 162:3491 163:1433 164:1669 165:1647 166:806 167:1728 168:3769 169:889 170:4532 171:849 172:3452 173:3095 174:1032 175:1156 176:3570 177:4768 178:3548 179:2105 180:2365 181:3315 182:3072 183:1943 184:2351 185:19835 186:4566 187:3955 188:4041 189:3462 190:8984 191:1444 192:10942 193:8737 194:7137 195:5051 196:3063 197:2473 198:5936 199:6046 200:7511 201:5834 202:10123 203:10018 204:4590 205:3481 206:3812 207:3386 208:4081 209:4761 210:4116 211:2326 212:4010 213:3557 214:1077 215:53 216:6467 217:2624 218:1270 219:404 220:1781 221:922 222:655 223:1978 End of report