IPv4 R&E Routing Table Report 23:05 GMT Thu 29 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: 901879 Prefixes after maximum aggregation (per Origin AS): 343853 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444483 Number of IPv4 prefixes with a valid ROA: 366182 Number of IPv4 prefixes with an invalid ROA: 1537 Number of IPv4 prefixes with no ROA: 534160 Total ASes present in the Internet Routing Table: 73832 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63405 Origin ASes announcing only one prefix: 26112 Transit ASes present in the Internet Routing Table: 10427 Transit-only ASes present in the Internet Routing Table: 416 Paths with bogon ASNs present in the IPv4 Routing Table: 33 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: 1052 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 40984 Number of 32-bit ASNs visible in the Routing Table: 33901 Prefixes from 32-bit ASNs in the Routing Table: 165001 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: 558 Number of addresses announced to Internet: 3064882688 Equivalent to 182 /8s, 174 /16s and 102 /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: 303390 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233310 Total APNIC prefixes after maximum aggregation: 67838 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228221 Unique aggregates announced from the APNIC address blocks: 97411 APNIC Region origin ASes present in the Internet Routing Table: 13120 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3834 APNIC Region transit ASes present in the Internet Routing Table: 1761 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: 8441 Number of APNIC addresses announced to Internet: 773237760 Equivalent to 46 /8s, 22 /16s and 172 /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: 266357 Total ARIN prefixes after maximum aggregation: 121294 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267947 Unique aggregates announced from the ARIN address blocks: 129485 ARIN Region origin ASes present in the Internet Routing Table: 18991 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 4689 Number of ARIN addresses announced to Internet: 1287821824 Equivalent to 76 /8s, 194 /16s and 154 /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: 255248 Total RIPE prefixes after maximum aggregation: 120052 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252067 Unique aggregates announced from the RIPE address blocks: 156269 RIPE Region origin ASes present in the Internet Routing Table: 28198 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3993 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: 10947 Number of RIPE addresses announced to Internet: 719498240 Equivalent to 42 /8s, 226 /16s and 172 /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: 117242 Total LACNIC prefixes after maximum aggregation: 28211 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116492 Unique aggregates announced from the LACNIC address blocks: 48942 LACNIC Region origin ASes present in the Internet Routing Table: 11003 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: 2272 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: 8769 Number of LACNIC addresses announced to Internet: 175943168 Equivalent to 10 /8s, 124 /16s and 174 /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: 28670 Total AfriNIC prefixes after maximum aggregation: 5700 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36594 Unique aggregates announced from the AfriNIC address blocks: 11963 AfriNIC Region origin ASes present in the Internet Routing Table: 1712 AfriNIC Prefixes per ASN: 21.38 AfriNIC Region origin ASes announcing only one prefix: 599 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: 1055 Number of AfriNIC addresses announced to Internet: 108070144 Equivalent to 6 /8s, 113 /16s and 5 /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 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5947 787 702 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 2680 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 848 439 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 7763 10640 2926 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 2628 24134 1591 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 6945 1706 146 UNI2-AS, ES 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4039 3399 175 AKAMAI-ASN1, NL 8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2887 2290 907 ROSTELECOM-AS, RU 9009 2642 251 1354 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 10935 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 2197 360 589 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 991 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 1538 535 31 RAYA-AS, EG 24863 1467 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 611 1861 34 IAM-AS, MA 15399 528 53 45 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 2018 372 319 71 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 10935 3340 593 Uninet S.A. de C.V., MX 9808 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7763 10640 2926 AMAZON-02, US 12479 6945 1706 146 UNI2-AS, ES 7545 5947 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4039 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 9218 9171 CHINAMOBILE-CN China Mobile Communications Grou 12479 6945 6799 UNI2-AS, ES 7545 5947 5245 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7763 4837 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4039 3864 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /16:13484 /17:8232 /18:13780 /19:24812 /20:42883 /21:50820 /22:108692 /23:96508 /24:538334 /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 5992 6945 UNI2-AS, ES 8151 4921 10935 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 5:4109 6:110 7:5 8:1533 9:1 11:172 12:1591 13:371 14:2363 15:282 16:76 17:370 18:412 20:243 21:4 22:188 23:5997 24:2448 25:4 27:2711 29:19 31:2502 32:101 34:8 35:95 36:1850 37:4626 38:3969 39:820 40:144 41:3915 42:1042 43:2294 44:305 45:16421 46:4232 47:373 49:1708 50:1930 51:374 52:1542 54:396 55:823 56:8 57:81 58:1679 59:1101 60:1006 61:2428 62:2593 63:1932 64:5631 65:2322 66:4892 67:3040 68:1362 69:4124 70:1254 71:655 72:2990 74:2587 75:1465 76:594 77:2347 78:1832 79:2943 80:2069 81:1690 82:1484 83:1226 84:1503 85:2965 86:742 87:1924 88:1196 89:3531 90:587 91:7624 92:1979 93:2568 94:3506 95:3907 96:1315 97:344 98:1175 99:741 100:75 101:1291 102:2533 103:30661 104:4594 105:484 106:849 107:2546 108:909 109:4395 110:2031 111:3269 112:2024 113:1492 114:1601 115:2014 116:1866 117:2475 118:2287 119:1859 120:1712 121:1039 122:2575 123:2140 124:1534 125:2256 128:1236 129:1047 130:962 131:1992 132:831 133:404 134:1892 135:298 136:885 137:917 138:2586 139:1502 140:1018 141:1487 142:1410 143:1439 144:1189 145:352 146:1878 147:1533 148:2266 149:1848 150:859 151:1146 152:1960 153:476 154:3798 155:1411 156:1630 157:1294 158:1043 159:2235 160:2571 161:1429 162:3536 163:1470 164:1607 165:1661 166:819 167:1750 168:3839 169:917 170:4564 171:886 172:3515 173:3057 174:1023 175:1156 176:3632 177:4752 178:3526 179:2138 180:2408 181:3369 182:3229 183:1931 184:2364 185:19977 186:4646 187:3914 188:4087 189:3424 190:9025 191:1468 192:10951 193:8822 194:7177 195:5077 196:3050 197:2390 198:5924 199:6084 200:7636 201:5872 202:10216 203:10004 204:4594 205:3497 206:3774 207:3344 208:4103 209:4801 210:4154 211:2382 212:4058 213:3545 214:1104 215:55 216:6580 217:2641 218:1249 219:409 220:1780 221:959 222:663 223:1977 End of report