IPv4 R&E Routing Table Report 23:05 GMT Wed 16 Nov, 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: 899519 Prefixes after maximum aggregation (per Origin AS): 342603 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442497 Number of IPv4 prefixes with a valid ROA: 361602 Number of IPv4 prefixes with an invalid ROA: 1648 Number of IPv4 prefixes with no ROA: 536269 Total ASes present in the Internet Routing Table: 73603 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63266 Origin ASes announcing only one prefix: 26011 Transit ASes present in the Internet Routing Table: 10337 Transit-only ASes present in the Internet Routing Table: 412 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 1036 Number of instances of unregistered ASNs: 1038 Number of 32-bit ASNs allocated by the RIRs: 40626 Number of 32-bit ASNs visible in the Routing Table: 33625 Prefixes from 32-bit ASNs in the Routing Table: 162973 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3063310848 Equivalent to 182 /8s, 150 /16s and 106 /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: 302461 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232885 Total APNIC prefixes after maximum aggregation: 67506 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227704 Unique aggregates announced from the APNIC address blocks: 96965 APNIC Region origin ASes present in the Internet Routing Table: 12990 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3755 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 8298 Number of APNIC addresses announced to Internet: 773012992 Equivalent to 46 /8s, 19 /16s and 62 /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: 266073 Total ARIN prefixes after maximum aggregation: 121147 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267564 Unique aggregates announced from the ARIN address blocks: 129167 ARIN Region origin ASes present in the Internet Routing Table: 19020 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6986 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: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4671 Number of ARIN addresses announced to Internet: 1289840384 Equivalent to 76 /8s, 225 /16s and 103 /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: 254004 Total RIPE prefixes after maximum aggregation: 119452 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250735 Unique aggregates announced from the RIPE address blocks: 154997 RIPE Region origin ASes present in the Internet Routing Table: 28101 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 11991 RIPE Region transit ASes present in the Internet Routing Table: 3966 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: 10865 Number of RIPE addresses announced to Internet: 716195072 Equivalent to 42 /8s, 176 /16s and 69 /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: 116677 Total LACNIC prefixes after maximum aggregation: 28087 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116078 Unique aggregates announced from the LACNIC address blocks: 48921 LACNIC Region origin ASes present in the Internet Routing Table: 10992 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2687 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: 8757 Number of LACNIC addresses announced to Internet: 175866624 Equivalent to 10 /8s, 123 /16s and 131 /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: 28844 Total AfriNIC prefixes after maximum aggregation: 5645 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36934 Unique aggregates announced from the AfriNIC address blocks: 12027 AfriNIC Region origin ASes present in the Internet Routing Table: 1707 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1034 Number of AfriNIC addresses announced to Internet: 108112896 Equivalent to 6 /8s, 113 /16s and 172 /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 9120 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5944 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3397 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2535 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2288 849 419 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2159 440 213 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 7592 10612 2919 AMAZON-02, US 11492 4601 305 507 CABLEONE, US 7155 3894 265 32 VIASAT-SP-BACKBONE, US 22773 3742 3062 337 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3566 1861 2559 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3064 50657 2331 DNIC-AS-00749, US 7018 2605 24060 1558 ATT-INTERNET4, US 30036 2599 372 286 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2564 3482 359 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 6941 1730 144 UNI2-AS, ES 20940 4097 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2635 252 1352 M247, RO 6849 2368 339 20 UKRTELNET, UA 34984 2239 357 615 TELLCOM-AS, TR 58224 1774 930 538 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 10840 3347 599 Uninet S.A. de C.V., MX 10620 3466 508 842 Telmex Colombia S.A., CO 11830 2300 369 64 Instituto Costarricense de Electricidad 13999 2116 344 552 Mega Cable, S.A. de C.V., MX 28573 1332 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1112 182 475 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 992 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 1573 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 42 ORANGE-COTE-IVOIRE, CI 36935 828 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 43 WANANCHI-, KE 37342 494 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 10840 3347 599 Uninet S.A. de C.V., MX 9808 9120 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7592 10612 2919 AMAZON-02, US 12479 6941 1730 144 UNI2-AS, ES 7545 5944 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4601 305 507 CABLEONE, US 20940 4097 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3894 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 9120 9073 CHINAMOBILE-CN China Mobile Communications Grou 12479 6941 6797 UNI2-AS, ES 7545 5944 5248 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7592 4673 AMAZON-02, US 11492 4601 4094 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4097 3923 AKAMAI-ASN1, NL 7155 3894 3862 VIASAT-SP-BACKBONE, US 7552 3613 3593 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 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 /12:295 /13:584 /14:1195 /15:2069 /16:13477 /17:8275 /18:13814 /19:24790 /20:43037 /21:50894 /22:108750 /23:96332 /24:535833 /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 5967 6941 UNI2-AS, ES 8151 4791 10840 Uninet S.A. de C.V., MX 11492 3507 4601 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3525 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2767 3742 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2255 2599 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2222 2368 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1863 2:1027 3:166 4:5 5:4029 6:118 7:5 8:1543 9:1 11:173 12:1615 13:357 14:2369 15:288 16:72 17:362 18:384 20:239 21:4 22:188 23:6003 24:2462 25:6 27:2703 29:19 31:2475 32:90 34:8 35:94 36:1820 37:4532 38:3743 39:771 40:144 41:3951 42:1180 43:2234 44:302 45:16265 46:4129 47:369 49:1699 50:1925 51:244 52:1501 54:396 55:847 56:8 57:78 58:1728 59:1110 60:1005 61:2416 62:2570 63:1948 64:5623 65:2327 66:4817 67:2988 68:1380 69:4142 70:1287 71:680 72:2998 74:2651 75:1476 76:597 77:2241 78:1821 79:3154 80:2023 81:1673 82:1498 83:1209 84:1484 85:2960 86:730 87:1919 88:1162 89:3446 90:560 91:7596 92:2030 93:2555 94:3531 95:3883 96:1340 97:348 98:1171 99:740 100:69 101:1303 102:2456 103:30304 104:4517 105:478 106:824 107:2542 108:913 109:4346 110:2007 111:3273 112:2047 113:1494 114:1575 115:2005 116:1878 117:2480 118:2328 119:1835 120:1686 121:1046 122:2572 123:2113 124:1534 125:2129 128:1202 129:967 130:964 131:2020 132:831 133:401 134:1912 135:293 136:880 137:916 138:2531 139:1515 140:1091 141:1481 142:1411 143:1395 144:1200 145:349 146:1869 147:1503 148:2239 149:1826 150:865 151:1143 152:1957 153:458 154:3812 155:1422 156:1618 157:1292 158:1036 159:2215 160:2591 161:1417 162:3501 163:1446 164:1665 165:1631 166:823 167:1719 168:3818 169:906 170:4544 171:852 172:3509 173:3102 174:1034 175:1166 176:3607 177:4739 178:3523 179:2141 180:2380 181:3320 182:3202 183:1937 184:2355 185:19893 186:4540 187:3939 188:4034 189:3425 190:9041 191:1433 192:10985 193:8748 194:7173 195:5083 196:3071 197:2480 198:5937 199:6060 200:7545 201:5838 202:10167 203:10042 204:4593 205:3487 206:3774 207:3342 208:4093 209:4777 210:4153 211:2345 212:4007 213:3520 214:1101 215:57 216:6546 217:2613 218:1266 219:408 220:1797 221:947 222:666 223:1988 End of report