IPv4 R&E Routing Table Report 23:05 GMT Fri 11 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: 899017 Prefixes after maximum aggregation (per Origin AS): 342260 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 441769 Number of IPv4 prefixes with a valid ROA: 360340 Number of IPv4 prefixes with an invalid ROA: 1668 Number of IPv4 prefixes with no ROA: 537009 Total ASes present in the Internet Routing Table: 73599 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63273 Origin ASes announcing only one prefix: 26002 Transit ASes present in the Internet Routing Table: 10326 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: 1045 Number of instances of unregistered ASNs: 1047 Number of 32-bit ASNs allocated by the RIRs: 40592 Number of 32-bit ASNs visible in the Routing Table: 33590 Prefixes from 32-bit ASNs in the Routing Table: 162665 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: 519 Number of addresses announced to Internet: 3063558400 Equivalent to 182 /8s, 154 /16s and 49 /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: 302329 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232532 Total APNIC prefixes after maximum aggregation: 67430 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227399 Unique aggregates announced from the APNIC address blocks: 96833 APNIC Region origin ASes present in the Internet Routing Table: 12964 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3730 APNIC Region transit ASes present in the Internet Routing Table: 1739 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8273 Number of APNIC addresses announced to Internet: 773209600 Equivalent to 46 /8s, 22 /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: 266045 Total ARIN prefixes after maximum aggregation: 121085 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267448 Unique aggregates announced from the ARIN address blocks: 128981 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6987 ARIN Region transit ASes present in the Internet Routing Table: 1878 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: 1289768192 Equivalent to 76 /8s, 224 /16s and 77 /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: 253843 Total RIPE prefixes after maximum aggregation: 119369 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250699 Unique aggregates announced from the RIPE address blocks: 154923 RIPE Region origin ASes present in the Internet Routing Table: 28130 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11998 RIPE Region transit ASes present in the Internet Routing Table: 3964 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10864 Number of RIPE addresses announced to Internet: 716346880 Equivalent to 42 /8s, 178 /16s and 150 /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: 116708 Total LACNIC prefixes after maximum aggregation: 27969 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116114 Unique aggregates announced from the LACNIC address blocks: 48602 LACNIC Region origin ASes present in the Internet Routing Table: 10988 LACNIC Prefixes per ASN: 10.57 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: 8753 Number of LACNIC addresses announced to Internet: 175909888 Equivalent to 10 /8s, 124 /16s and 44 /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: 5631 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36838 Unique aggregates announced from the AfriNIC address blocks: 12000 AfriNIC Region origin ASes present in the Internet Routing Table: 1704 AfriNIC Prefixes per ASN: 21.62 AfriNIC Region origin ASes announcing only one prefix: 593 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: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1035 Number of AfriNIC addresses announced to Internet: 108035328 Equivalent to 6 /8s, 112 /16s and 125 /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 9124 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5948 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3611 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3395 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2528 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2275 849 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2160 440 214 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 7594 10615 2920 AMAZON-02, US 11492 4586 304 543 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3745 3060 336 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3565 1863 2548 AKAMAI-AS, US 6327 3525 1320 63 SHAW, CA 749 3055 50656 2322 DNIC-AS-00749, US 30036 2602 372 270 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2584 24058 1556 ATT-INTERNET4, US 396982 2562 3481 356 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 6936 1730 144 UNI2-AS, ES 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2621 251 1350 M247, RO 6849 2374 339 20 UKRTELNET, UA 34984 2241 357 614 TELLCOM-AS, TR 58224 1773 930 543 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 10821 3347 601 Uninet S.A. de C.V., MX 10620 3474 510 838 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2113 343 548 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 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1112 182 474 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 1572 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1354 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 68 37 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 10821 3347 601 Uninet S.A. de C.V., MX 9808 9124 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7594 10615 2920 AMAZON-02, US 12479 6936 1730 144 UNI2-AS, ES 7545 5948 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4586 304 543 CABLEONE, US 20940 4104 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9124 9077 CHINAMOBILE-CN China Mobile Communications Grou 12479 6936 6792 UNI2-AS, ES 7545 5948 5251 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7594 4674 AMAZON-02, US 11492 4586 4043 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4104 3930 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3611 3591 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 /15:2078 /16:13479 /17:8284 /18:13850 /19:24819 /20:43003 /21:50853 /22:108669 /23:96325 /24:535409 /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 5949 6936 UNI2-AS, ES 8151 4772 10821 Uninet S.A. de C.V., MX 11492 3494 4586 CABLEONE, US 8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3525 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2772 3745 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2258 2602 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2230 2374 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1026 3:166 4:5 5:4027 6:120 7:5 8:1543 9:1 11:173 12:1620 13:353 14:2370 15:287 16:71 17:363 18:382 20:239 21:4 22:188 23:6003 24:2455 25:6 27:2702 29:19 31:2481 32:90 34:8 35:94 36:1817 37:4528 38:3727 39:773 40:144 41:3952 42:1171 43:2224 44:297 45:16265 46:4155 47:369 49:1700 50:1920 51:244 52:1500 54:397 55:845 56:8 57:79 58:1725 59:1110 60:1005 61:2410 62:2566 63:1957 64:5619 65:2322 66:4818 67:3001 68:1378 69:4142 70:1295 71:678 72:2998 74:2636 75:1476 76:597 77:2241 78:1827 79:3151 80:2040 81:1668 82:1485 83:1204 84:1452 85:2952 86:727 87:1924 88:1162 89:3457 90:551 91:7594 92:2032 93:2547 94:3528 95:3878 96:1337 97:348 98:1173 99:739 100:69 101:1301 102:2430 103:30262 104:4532 105:478 106:889 107:2541 108:914 109:4308 110:2008 111:3271 112:2046 113:1497 114:1571 115:1997 116:1873 117:2480 118:2325 119:1832 120:1679 121:1043 122:2573 123:2107 124:1512 125:2120 128:1197 129:965 130:964 131:2027 132:830 133:378 134:1911 135:291 136:884 137:910 138:2529 139:1513 140:1103 141:1489 142:1408 143:1401 144:1196 145:351 146:1865 147:1528 148:2240 149:1835 150:873 151:1143 152:1956 153:455 154:3790 155:1424 156:1616 157:1298 158:1036 159:2208 160:2591 161:1387 162:3499 163:1439 164:1671 165:1640 166:823 167:1717 168:3801 169:904 170:4530 171:850 172:3482 173:3106 174:1032 175:1160 176:3611 177:4760 178:3526 179:2126 180:2380 181:3334 182:3203 183:1938 184:2350 185:19898 186:4542 187:3965 188:4010 189:3423 190:9035 191:1415 192:10981 193:8753 194:7178 195:5084 196:3065 197:2477 198:5932 199:6049 200:7541 201:5834 202:10150 203:10039 204:4591 205:3482 206:3787 207:3343 208:4079 209:4768 210:4118 211:2330 212:4003 213:3507 214:1095 215:53 216:6532 217:2620 218:1267 219:406 220:1795 221:924 222:661 223:1987 End of report