IPv4 R&E Routing Table Report 23:05 GMT Sat 31 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: 901948 Prefixes after maximum aggregation (per Origin AS): 343875 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444470 Number of IPv4 prefixes with a valid ROA: 366084 Number of IPv4 prefixes with an invalid ROA: 1527 Number of IPv4 prefixes with no ROA: 534337 Total ASes present in the Internet Routing Table: 73806 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63378 Origin ASes announcing only one prefix: 26113 Transit ASes present in the Internet Routing Table: 10428 Transit-only ASes present in the Internet Routing Table: 417 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: 1009 Number of instances of unregistered ASNs: 1018 Number of 32-bit ASNs allocated by the RIRs: 40998 Number of 32-bit ASNs visible in the Routing Table: 33873 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: 510 Number of addresses announced to Internet: 3064820224 Equivalent to 182 /8s, 173 /16s and 114 /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: 303345 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233282 Total APNIC prefixes after maximum aggregation: 67894 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228105 Unique aggregates announced from the APNIC address blocks: 97368 APNIC Region origin ASes present in the Internet Routing Table: 13108 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3837 APNIC Region transit ASes present in the Internet Routing Table: 1763 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: 8426 Number of APNIC addresses announced to Internet: 773203456 Equivalent to 46 /8s, 22 /16s and 38 /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: 266455 Total ARIN prefixes after maximum aggregation: 121328 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268006 Unique aggregates announced from the ARIN address blocks: 129503 ARIN Region origin ASes present in the Internet Routing Table: 18997 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6981 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: 4693 Number of ARIN addresses announced to Internet: 1287821312 Equivalent to 76 /8s, 194 /16s and 152 /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: 255175 Total RIPE prefixes after maximum aggregation: 120009 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251962 Unique aggregates announced from the RIPE address blocks: 156186 RIPE Region origin ASes present in the Internet Routing Table: 28185 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12027 RIPE Region transit ASes present in the Internet Routing Table: 3998 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: 10938 Number of RIPE addresses announced to Internet: 719459584 Equivalent to 42 /8s, 226 /16s and 21 /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: 117252 Total LACNIC prefixes after maximum aggregation: 28189 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116502 Unique aggregates announced from the LACNIC address blocks: 48931 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2270 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: 8762 Number of LACNIC addresses announced to Internet: 175944704 Equivalent to 10 /8s, 124 /16s and 180 /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: 28775 Total AfriNIC prefixes after maximum aggregation: 5700 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 36863 Unique aggregates announced from the AfriNIC address blocks: 12071 AfriNIC Region origin ASes present in the Internet Routing Table: 1713 AfriNIC Prefixes per ASN: 21.52 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1054 Number of AfriNIC addresses announced to Internet: 108096512 Equivalent to 6 /8s, 113 /16s and 108 /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 9217 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 787 701 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 3369 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2681 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 2163 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 7757 10638 2926 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3684 3062 315 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3459 1790 2507 AKAMAI-AS, US 749 3025 50577 2292 DNIC-AS-00749, US 7018 2626 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 6944 1706 146 UNI2-AS, ES 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4039 3399 175 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 908 ROSTELECOM-AS, RU 9009 2641 251 1353 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2195 339 20 UKRTELNET, UA 58224 1799 941 533 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 10938 3340 592 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 2198 360 590 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 1152 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 494 32 1 MOVITEL, MZ 2018 374 319 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 10938 3340 592 Uninet S.A. de C.V., MX 9808 9217 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7757 10638 2926 AMAZON-02, US 12479 6944 1706 146 UNI2-AS, ES 7545 5945 787 701 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 3699 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 9217 9170 CHINAMOBILE-CN China Mobile Communications Grou 12479 6944 6798 UNI2-AS, ES 7545 5945 5244 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7757 4831 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 3699 3661 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 /16:13485 /17:8236 /18:13781 /19:24816 /20:42885 /21:50840 /22:108714 /23:96547 /24:538310 /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 5991 6944 UNI2-AS, ES 8151 4923 10938 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2721 3684 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) ---------------------------------------------- 1:1621 2:1221 3:168 4:5 5:4107 6:109 7:5 8:1533 9:1 11:172 12:1593 13:372 14:2362 15:282 16:76 17:370 18:410 20:243 21:4 22:188 23:6001 24:2449 25:4 27:2705 29:19 31:2496 32:101 34:8 35:95 36:1849 37:4591 38:3985 39:821 40:144 41:3919 42:1043 43:2297 44:306 45:16404 46:4218 47:373 49:1708 50:1929 51:374 52:1542 54:396 55:825 56:8 57:81 58:1681 59:1105 60:1003 61:2427 62:2592 63:1933 64:5630 65:2321 66:4891 67:3038 68:1362 69:4124 70:1253 71:655 72:2990 74:2585 75:1465 76:594 77:2352 78:1829 79:2946 80:2067 81:1690 82:1480 83:1227 84:1500 85:2963 86:739 87:1925 88:1195 89:3524 90:587 91:7630 92:1980 93:2565 94:3510 95:3908 96:1315 97:344 98:1175 99:741 100:75 101:1292 102:2541 103:30580 104:4594 105:484 106:848 107:2543 108:908 109:4388 110:2041 111:3268 112:2024 113:1484 114:1601 115:2014 116:1861 117:2475 118:2285 119:1859 120:1712 121:1041 122:2571 123:2138 124:1528 125:2255 128:1238 129:1047 130:961 131:1997 132:831 133:404 134:1893 135:298 136:887 137:913 138:2591 139:1499 140:1019 141:1484 142:1410 143:1435 144:1188 145:352 146:1876 147:1534 148:2275 149:1848 150:859 151:1136 152:1964 153:476 154:3854 155:1408 156:1641 157:1300 158:1043 159:2249 160:2571 161:1429 162:3536 163:1478 164:1668 165:1661 166:824 167:1751 168:3839 169:917 170:4562 171:887 172:3506 173:3056 174:1024 175:1151 176:3626 177:4765 178:3529 179:2151 180:2407 181:3361 182:3238 183:1932 184:2363 185:19960 186:4633 187:3916 188:4082 189:3430 190:8992 191:1469 192:10944 193:8820 194:7183 195:5077 196:3063 197:2401 198:5929 199:6086 200:7645 201:5872 202:10218 203:9999 204:4596 205:3490 206:3774 207:3350 208:4096 209:4804 210:4153 211:2381 212:4057 213:3541 214:1105 215:55 216:6589 217:2638 218:1249 219:409 220:1779 221:959 222:663 223:1977 End of report