IPv4 R&E Routing Table Report 23:05 GMT Thu 17 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: 899714 Prefixes after maximum aggregation (per Origin AS): 342683 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442278 Number of IPv4 prefixes with a valid ROA: 362315 Number of IPv4 prefixes with an invalid ROA: 1626 Number of IPv4 prefixes with no ROA: 535773 Total ASes present in the Internet Routing Table: 73626 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63285 Origin ASes announcing only one prefix: 26033 Transit ASes present in the Internet Routing Table: 10341 Transit-only ASes present in the Internet Routing Table: 409 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: 1027 Number of instances of unregistered ASNs: 1029 Number of 32-bit ASNs allocated by the RIRs: 40636 Number of 32-bit ASNs visible in the Routing Table: 33639 Prefixes from 32-bit ASNs in the Routing Table: 163139 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: 501 Number of addresses announced to Internet: 3061562112 Equivalent to 182 /8s, 123 /16s and 187 /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: 302490 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232860 Total APNIC prefixes after maximum aggregation: 67485 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227754 Unique aggregates announced from the APNIC address blocks: 97032 APNIC Region origin ASes present in the Internet Routing Table: 13002 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3769 APNIC Region transit ASes present in the Internet Routing Table: 1746 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: 8312 Number of APNIC addresses announced to Internet: 773035776 Equivalent to 46 /8s, 19 /16s and 151 /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: 266111 Total ARIN prefixes after maximum aggregation: 121130 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267606 Unique aggregates announced from the ARIN address blocks: 129154 ARIN Region origin ASes present in the Internet Routing Table: 19009 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4665 Number of ARIN addresses announced to Internet: 1289359360 Equivalent to 76 /8s, 218 /16s and 16 /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: 254117 Total RIPE prefixes after maximum aggregation: 119443 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250815 Unique aggregates announced from the RIPE address blocks: 154664 RIPE Region origin ASes present in the Internet Routing Table: 28128 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 12009 RIPE Region transit ASes present in the Internet Routing Table: 3961 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: 10874 Number of RIPE addresses announced to Internet: 716158976 Equivalent to 42 /8s, 175 /16s and 184 /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: 116791 Total LACNIC prefixes after maximum aggregation: 28129 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116183 Unique aggregates announced from the LACNIC address blocks: 48900 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2251 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: 175930368 Equivalent to 10 /8s, 124 /16s and 124 /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: 28808 Total AfriNIC prefixes after maximum aggregation: 5730 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36855 Unique aggregates announced from the AfriNIC address blocks: 12106 AfriNIC Region origin ASes present in the Internet Routing Table: 1702 AfriNIC Prefixes per ASN: 21.65 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: 4.8 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1031 Number of AfriNIC addresses announced to Internet: 106799616 Equivalent to 6 /8s, 93 /16s and 162 /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 9118 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 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 2532 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 7631 10619 2898 AMAZON-02, US 11492 4595 304 519 CABLEONE, US 7155 3894 265 32 VIASAT-SP-BACKBONE, US 22773 3740 3062 337 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3566 1861 2559 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3064 50657 2331 DNIC-AS-00749, US 30036 2601 372 270 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2585 24058 1555 ATT-INTERNET4, 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 6953 1730 144 UNI2-AS, ES 20940 4109 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2290 911 ROSTELECOM-AS, RU 9009 2643 253 1358 M247, RO 6849 2368 339 20 UKRTELNET, UA 34984 2238 357 616 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 10845 3347 599 Uninet S.A. de C.V., MX 10620 3454 506 855 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2122 347 551 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 1574 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 764 106 120 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 528 53 43 WANANCHI-, KE 37342 490 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 10845 3347 599 Uninet S.A. de C.V., MX 9808 9118 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7631 10619 2898 AMAZON-02, US 12479 6953 1730 144 UNI2-AS, ES 7545 5945 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4595 304 519 CABLEONE, US 20940 4109 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 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 9118 9071 CHINAMOBILE-CN China Mobile Communications Grou 12479 6953 6809 UNI2-AS, ES 7545 5945 5249 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7631 4733 AMAZON-02, US 11492 4595 4076 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3990 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4109 3935 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 /11:99 /12:295 /13:584 /14:1195 /15:2076 /16:13482 /17:8286 /18:13802 /19:24802 /20:43058 /21:50905 /22:108763 /23:96387 /24:535906 /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 5976 6953 UNI2-AS, ES 8151 4795 10845 Uninet S.A. de C.V., MX 11492 3507 4595 CABLEONE, US 8551 3454 3990 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2765 3740 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2257 2601 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2221 2368 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1860 2:1027 3:166 4:5 5:4035 6:118 7:5 8:1544 9:1 11:173 12:1617 13:379 14:2370 15:287 16:71 17:361 18:384 20:239 21:4 22:188 23:6004 24:2456 25:6 27:2703 29:19 31:2472 32:90 34:8 35:94 36:1819 37:4540 38:3744 39:771 40:145 41:3912 42:1181 43:2257 44:301 45:16252 46:4132 47:371 49:1700 50:1926 51:244 52:1504 54:398 55:805 56:8 57:79 58:1727 59:1109 60:1005 61:2414 62:2562 63:1952 64:5628 65:2330 66:4813 67:3008 68:1380 69:4146 70:1289 71:680 72:2990 74:2638 75:1475 76:597 77:2242 78:1819 79:3153 80:2042 81:1669 82:1497 83:1212 84:1488 85:2964 86:731 87:1923 88:1166 89:3441 90:569 91:7568 92:2040 93:2562 94:3527 95:3879 96:1339 97:348 98:1172 99:740 100:69 101:1301 102:2454 103:30296 104:4554 105:474 106:826 107:2541 108:913 109:4334 110:2005 111:3268 112:2047 113:1497 114:1576 115:2007 116:1878 117:2480 118:2330 119:1842 120:1694 121:1047 122:2578 123:2111 124:1534 125:2128 128:1201 129:967 130:965 131:2020 132:821 133:401 134:1908 135:293 136:872 137:917 138:2537 139:1511 140:1096 141:1485 142:1409 143:1400 144:1208 145:350 146:1875 147:1508 148:2242 149:1835 150:865 151:1144 152:1953 153:455 154:3787 155:1422 156:1619 157:1288 158:1034 159:2223 160:2588 161:1421 162:3509 163:1444 164:1664 165:1647 166:822 167:1720 168:3822 169:915 170:4546 171:852 172:3507 173:3105 174:1032 175:1167 176:3579 177:4759 178:3521 179:2143 180:2380 181:3321 182:3202 183:1936 184:2354 185:19904 186:4549 187:3947 188:4034 189:3419 190:9042 191:1437 192:10984 193:8747 194:7178 195:5088 196:3067 197:2473 198:5941 199:6069 200:7548 201:5836 202:10159 203:10046 204:4596 205:3483 206:3773 207:3339 208:4093 209:4779 210:4154 211:2346 212:4018 213:3514 214:1099 215:57 216:6548 217:2610 218:1265 219:408 220:1796 221:947 222:666 223:1987 End of report