IPv4 R&E Routing Table Report 23:05 GMT Wed 28 Dec, 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: 901497 Prefixes after maximum aggregation (per Origin AS): 343775 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444529 Number of IPv4 prefixes with a valid ROA: 366165 Number of IPv4 prefixes with an invalid ROA: 994 Number of IPv4 prefixes with no ROA: 534338 Total ASes present in the Internet Routing Table: 73833 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63414 Origin ASes announcing only one prefix: 26116 Transit ASes present in the Internet Routing Table: 10419 Transit-only ASes present in the Internet Routing Table: 417 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1000 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 40978 Number of 32-bit ASNs visible in the Routing Table: 33890 Prefixes from 32-bit ASNs in the Routing Table: 164930 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3064915200 Equivalent to 182 /8s, 174 /16s and 229 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 303473 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232877 Total APNIC prefixes after maximum aggregation: 67759 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 227807 Unique aggregates announced from the APNIC address blocks: 97391 APNIC Region origin ASes present in the Internet Routing Table: 13110 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3822 APNIC Region transit ASes present in the Internet Routing Table: 1758 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8427 Number of APNIC addresses announced to Internet: 773202944 Equivalent to 46 /8s, 22 /16s and 36 /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: 266363 Total ARIN prefixes after maximum aggregation: 121311 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267850 Unique aggregates announced from the ARIN address blocks: 129457 ARIN Region origin ASes present in the Internet Routing Table: 18993 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1889 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4690 Number of ARIN addresses announced to Internet: 1287798016 Equivalent to 76 /8s, 194 /16s and 61 /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: 255253 Total RIPE prefixes after maximum aggregation: 120063 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252077 Unique aggregates announced from the RIPE address blocks: 156287 RIPE Region origin ASes present in the Internet Routing Table: 28208 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3991 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10949 Number of RIPE addresses announced to Internet: 719533568 Equivalent to 42 /8s, 227 /16s and 54 /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: 117251 Total LACNIC prefixes after maximum aggregation: 28188 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116497 Unique aggregates announced from the LACNIC address blocks: 48942 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2269 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: 8768 Number of LACNIC addresses announced to Internet: 175992064 Equivalent to 10 /8s, 125 /16s and 109 /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: 28753 Total AfriNIC prefixes after maximum aggregation: 5702 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 36755 Unique aggregates announced from the AfriNIC address blocks: 12040 AfriNIC Region origin ASes present in the Internet Routing Table: 1717 AfriNIC Prefixes per ASN: 21.41 AfriNIC Region origin ASes announcing only one prefix: 603 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: 1056 Number of AfriNIC addresses announced to Internet: 108094976 Equivalent to 6 /8s, 113 /16s and 102 /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 9220 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5944 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3370 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2427 491 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2348 848 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 215 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 7750 10637 2930 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3690 3063 322 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3453 1786 2503 AKAMAI-AS, US 749 3025 50577 2292 DNIC-AS-00749, US 7018 2619 24132 1589 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 MEDIACOM-ENTERPRISE-BUSINESS, 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 6960 1706 146 UNI2-AS, ES 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4037 3399 175 AKAMAI-ASN1, NL 8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2887 2290 907 ROSTELECOM-AS, RU 9009 2644 251 1355 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2195 339 20 UKRTELNET, UA 58224 1800 942 530 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 10930 3340 593 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2195 358 587 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1133 186 466 Techtel LMDS Comunicaciones Interactiva 26615 990 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 24835 1539 537 32 RAYA-AS, EG 24863 1465 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 43 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 366 319 72 TENET-1, ZA 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 10930 3340 593 Uninet S.A. de C.V., MX 9808 9220 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7750 10637 2930 AMAZON-02, US 12479 6960 1706 146 UNI2-AS, ES 7545 5944 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4037 3399 175 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9220 9173 CHINAMOBILE-CN China Mobile Communications Grou 12479 6960 6814 UNI2-AS, ES 7545 5944 5244 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7750 4820 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4037 3862 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3698 3660 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3625 3604 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6453 AS6453, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:101 /12:296 /13:585 /14:1198 /15:2078 /16:13485 /17:8231 /18:13776 /19:24813 /20:42878 /21:50823 /22:108708 /23:96499 /24:537950 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6007 6960 UNI2-AS, ES 8151 4916 10930 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3163 3698 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2725 3690 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2195 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1620 2:1223 3:168 4:5 5:4107 6:109 7:5 8:1532 9:1 11:172 12:1590 13:370 14:2358 15:282 16:76 17:370 18:410 20:243 21:4 22:188 23:5992 24:2449 25:4 27:2708 29:19 31:2499 32:101 34:8 35:95 36:1841 37:4631 38:3973 39:819 40:144 41:3922 42:1042 43:2286 44:306 45:16423 46:4227 47:373 49:1699 50:1923 51:373 52:1542 54:396 55:772 56:8 57:81 58:1679 59:1078 60:1006 61:2338 62:2595 63:1935 64:5624 65:2322 66:4894 67:3038 68:1362 69:4128 70:1254 71:656 72:2991 74:2588 75:1465 76:594 77:2354 78:1832 79:2943 80:2065 81:1687 82:1486 83:1230 84:1500 85:2967 86:742 87:1926 88:1197 89:3510 90:591 91:7632 92:1983 93:2561 94:3506 95:3906 96:1315 97:344 98:1175 99:741 100:75 101:1291 102:2544 103:30591 104:4586 105:482 106:848 107:2543 108:909 109:4392 110:2042 111:3265 112:2022 113:1491 114:1598 115:2012 116:1868 117:2474 118:2281 119:1856 120:1711 121:1040 122:2574 123:2138 124:1517 125:2255 128:1236 129:1047 130:960 131:1993 132:832 133:404 134:1893 135:298 136:885 137:920 138:2583 139:1501 140:1019 141:1487 142:1408 143:1446 144:1189 145:352 146:1881 147:1534 148:2266 149:1846 150:861 151:1145 152:1962 153:476 154:3796 155:1410 156:1630 157:1293 158:1042 159:2233 160:2573 161:1427 162:3534 163:1467 164:1669 165:1661 166:815 167:1750 168:3842 169:915 170:4537 171:887 172:3506 173:3056 174:1025 175:1157 176:3628 177:4764 178:3520 179:2143 180:2404 181:3364 182:3116 183:1931 184:2364 185:19988 186:4643 187:3922 188:4086 189:3431 190:9020 191:1475 192:10941 193:8830 194:7175 195:5079 196:3051 197:2394 198:5924 199:6083 200:7649 201:5874 202:10209 203:9986 204:4597 205:3511 206:3771 207:3342 208:4103 209:4802 210:4150 211:2385 212:4061 213:3543 214:1105 215:55 216:6573 217:2641 218:1249 219:409 220:1780 221:958 222:663 223:1975 End of report