IPv4 R&E Routing Table Report 23:05 GMT Fri 30 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: 902106 Prefixes after maximum aggregation (per Origin AS): 343973 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444575 Number of IPv4 prefixes with a valid ROA: 366214 Number of IPv4 prefixes with an invalid ROA: 1538 Number of IPv4 prefixes with no ROA: 534354 Total ASes present in the Internet Routing Table: 73826 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63391 Origin ASes announcing only one prefix: 26105 Transit ASes present in the Internet Routing Table: 10435 Transit-only ASes present in the Internet Routing Table: 415 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: 1002 Number of instances of unregistered ASNs: 1011 Number of 32-bit ASNs allocated by the RIRs: 40994 Number of 32-bit ASNs visible in the Routing Table: 33896 Prefixes from 32-bit ASNs in the Routing Table: 165052 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: 3064952320 Equivalent to 182 /8s, 175 /16s and 118 /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: 303424 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233435 Total APNIC prefixes after maximum aggregation: 67928 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 228271 Unique aggregates announced from the APNIC address blocks: 97459 APNIC Region origin ASes present in the Internet Routing Table: 13124 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3833 APNIC Region transit ASes present in the Internet Routing Table: 1765 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: 8440 Number of APNIC addresses announced to Internet: 773239552 Equivalent to 46 /8s, 22 /16s and 179 /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: 266420 Total ARIN prefixes after maximum aggregation: 121357 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267991 Unique aggregates announced from the ARIN address blocks: 129518 ARIN Region origin ASes present in the Internet Routing Table: 18995 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6977 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: 1287832064 Equivalent to 76 /8s, 194 /16s and 194 /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: 255195 Total RIPE prefixes after maximum aggregation: 120045 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252012 Unique aggregates announced from the RIPE address blocks: 156244 RIPE Region origin ASes present in the Internet Routing Table: 28192 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12029 RIPE Region transit ASes present in the Internet Routing Table: 3997 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: 10944 Number of RIPE addresses announced to Internet: 719474176 Equivalent to 42 /8s, 226 /16s and 78 /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: 117305 Total LACNIC prefixes after maximum aggregation: 28195 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116546 Unique aggregates announced from the LACNIC address blocks: 48947 LACNIC Region origin ASes present in the Internet Routing Table: 11001 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: 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: 8768 Number of LACNIC addresses announced to Internet: 176006400 Equivalent to 10 /8s, 125 /16s and 165 /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: 28749 Total AfriNIC prefixes after maximum aggregation: 5694 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 36775 Unique aggregates announced from the AfriNIC address blocks: 11995 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.51 AfriNIC Region origin ASes announcing only one prefix: 597 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: 1051 Number of AfriNIC addresses announced to Internet: 108105216 Equivalent to 6 /8s, 113 /16s and 142 /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 5945 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 3369 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 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 7764 10640 2922 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3690 3063 321 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 6945 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 2890 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 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 10933 3340 590 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2258 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 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 1469 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 373 319 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 10933 3340 590 Uninet S.A. de C.V., MX 9808 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7764 10640 2922 AMAZON-02, US 12479 6945 1706 146 UNI2-AS, ES 7545 5945 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 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 9218 9171 CHINAMOBILE-CN China Mobile Communications Grou 12479 6945 6799 UNI2-AS, ES 7545 5945 5243 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7764 4842 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 /18:13782 /19:24812 /20:42898 /21:50825 /22:108722 /23:96574 /24:538438 /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 4923 10933 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 2726 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) ---------------------------------------------- 1:1621 2:1221 3:168 4:5 5:4109 6:110 7:5 8:1534 9:1 11:172 12:1593 13:372 14:2361 15:282 16:76 17:370 18:412 20:243 21:4 22:188 23:6002 24:2446 25:4 27:2710 29:19 31:2496 32:101 34:8 35:95 36:1849 37:4625 38:3981 39:820 40:144 41:3915 42:1043 43:2295 44:302 45:16429 46:4221 47:373 49:1708 50:1930 51:374 52:1542 54:396 55:826 56:8 57:81 58:1682 59:1105 60:1005 61:2427 62:2593 63:1931 64:5630 65:2323 66:4891 67:3039 68:1361 69:4123 70:1254 71:655 72:2991 74:2586 75:1465 76:594 77:2350 78:1833 79:2943 80:2067 81:1691 82:1480 83:1228 84:1502 85:2965 86:740 87:1923 88:1196 89:3529 90:587 91:7632 92:1979 93:2568 94:3507 95:3908 96:1315 97:344 98:1175 99:741 100:75 101:1293 102:2535 103:30643 104:4595 105:484 106:848 107:2545 108:908 109:4390 110:2041 111:3269 112:2024 113:1492 114:1600 115:2013 116:1864 117:2475 118:2287 119:1860 120:1712 121:1038 122:2575 123:2138 124:1534 125:2254 128:1237 129:1047 130:959 131:1996 132:830 133:404 134:1893 135:298 136:885 137:914 138:2591 139:1499 140:1018 141:1484 142:1409 143:1442 144:1188 145:352 146:1878 147:1534 148:2277 149:1846 150:859 151:1136 152:1963 153:473 154:3852 155:1410 156:1642 157:1299 158:1042 159:2247 160:2571 161:1429 162:3536 163:1474 164:1607 165:1661 166:824 167:1750 168:3838 169:917 170:4566 171:887 172:3506 173:3056 174:1023 175:1156 176:3628 177:4772 178:3523 179:2151 180:2407 181:3367 182:3239 183:1932 184:2363 185:19976 186:4637 187:3917 188:4083 189:3428 190:9003 191:1466 192:10942 193:8822 194:7185 195:5083 196:3060 197:2397 198:5928 199:6085 200:7626 201:5872 202:10227 203:10004 204:4593 205:3499 206:3775 207:3347 208:4099 209:4801 210:4153 211:2381 212:4058 213:3543 214:1107 215:55 216:6584 217:2637 218:1249 219:409 220:1780 221:959 222:663 223:1978 End of report