IPv4 R&E Routing Table Report 23:05 GMT Sun 23 Apr, 2023 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: 911804 Prefixes after maximum aggregation (per Origin AS): 346807 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448606 Number of IPv4 prefixes with a valid ROA: 392138 Number of IPv4 prefixes with an invalid ROA: 1859 Number of IPv4 prefixes with no ROA: 517807 Total ASes present in the Internet Routing Table: 74137 Prefixes per ASN: 12.30 Origin-only ASes present in the Internet Routing Table: 63652 Origin ASes announcing only one prefix: 26159 Transit ASes present in the Internet Routing Table: 10485 Transit-only ASes present in the Internet Routing Table: 429 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1365 Number of instances of unregistered ASNs: 1365 Number of 32-bit ASNs allocated by the RIRs: 41716 Number of 32-bit ASNs visible in the Routing Table: 34410 Prefixes from 32-bit ASNs in the Routing Table: 169558 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 842 Number of addresses announced to Internet: 3058929408 Equivalent to 182 /8s, 83 /16s and 143 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306002 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236924 Total APNIC prefixes after maximum aggregation: 68351 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 231304 Unique aggregates announced from the APNIC address blocks: 97677 APNIC Region origin ASes present in the Internet Routing Table: 13291 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3907 APNIC Region transit ASes present in the Internet Routing Table: 1784 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8659 Number of APNIC addresses announced to Internet: 773020672 Equivalent to 46 /8s, 19 /16s and 92 /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: 267402 Total ARIN prefixes after maximum aggregation: 121572 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269916 Unique aggregates announced from the ARIN address blocks: 130778 ARIN Region origin ASes present in the Internet Routing Table: 19025 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6958 ARIN Region transit ASes present in the Internet Routing Table: 1892 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4767 Number of ARIN addresses announced to Internet: 1283606016 Equivalent to 76 /8s, 130 /16s and 70 /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: 259401 Total RIPE prefixes after maximum aggregation: 121990 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255336 Unique aggregates announced from the RIPE address blocks: 157791 RIPE Region origin ASes present in the Internet Routing Table: 28298 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12050 RIPE Region transit ASes present in the Internet Routing Table: 3984 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11142 Number of RIPE addresses announced to Internet: 717873152 Equivalent to 42 /8s, 201 /16s and 224 /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: 117582 Total LACNIC prefixes after maximum aggregation: 28300 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116853 Unique aggregates announced from the LACNIC address blocks: 49513 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2292 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8766 Number of LACNIC addresses announced to Internet: 176585984 Equivalent to 10 /8s, 134 /16s and 125 /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: 29130 Total AfriNIC prefixes after maximum aggregation: 5791 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37553 Unique aggregates announced from the AfriNIC address blocks: 12279 AfriNIC Region origin ASes present in the Internet Routing Table: 1724 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 338 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1076 Number of AfriNIC addresses announced to Internet: 107179008 Equivalent to 6 /8s, 99 /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 9460 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5726 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3560 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3395 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2938 490 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2380 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2175 442 196 TATACOMM-AS TATA Communications formerl 45090 2148 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 8227 10772 2951 AMAZON-02, US 11492 4543 301 602 CABLEONE, US 7155 3969 279 48 VIASAT-SP-BACKBONE, US 22773 3588 3057 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1320 64 SHAW, CA 16625 3154 1576 2349 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2574 24123 1572 ATT-INTERNET4, US 30036 2509 362 445 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 7218 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4072 3399 163 AKAMAI-ASN1, NL 8551 3893 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2292 909 ROSTELECOM-AS, RU 9009 2662 250 1387 M247, RO 34984 2276 359 612 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1851 950 543 TCI, IR 13188 1607 100 18 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 11246 3363 594 Uninet S.A. de C.V., MX 10620 3503 507 851 Telmex Colombia S.A., CO 13999 2327 357 613 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1334 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 444 Techtel LMDS Comunicaciones Interactiva 26615 1032 2498 45 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 1578 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 51 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 532 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 73 5 EthioNet-AS, ET 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 11246 3363 594 Uninet S.A. de C.V., MX 9808 9460 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8227 10772 2951 AMAZON-02, US 12479 7218 1706 140 UNI2-AS, ES 7545 5726 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4543 301 602 CABLEONE, US 20940 4072 3399 163 AKAMAI-ASN1, NL 7155 3969 279 48 VIASAT-SP-BACKBONE, US 8551 3893 370 37 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 9460 9423 CHINAMOBILE-CN China Mobile Communications Grou 12479 7218 7078 UNI2-AS, ES 16509 8227 5276 AMAZON-02, US 7545 5726 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4543 3941 CABLEONE, US 7155 3969 3921 VIASAT-SP-BACKBONE, US 20940 4072 3909 AKAMAI-ASN1, NL 8551 3893 3856 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3675 3654 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 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 /9:14 /10:38 /11:103 /12:298 /13:575 /14:1194 /15:2081 /16:13407 /17:8146 /18:13685 /19:24789 /20:43044 /21:50887 /22:108766 /23:97239 /24:547513 /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 6275 7218 UNI2-AS, ES 8151 5180 11246 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3452 4543 CABLEONE, US 8551 3365 3893 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3522 SHAW, CA 7155 3039 3969 VIASAT-SP-BACKBONE, US 22773 2658 3588 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2166 2509 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2057 3503 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1775 2:1265 3:175 4:5 5:4499 6:127 7:6 8:1512 9:1 11:172 12:1537 13:386 14:2317 15:299 16:183 17:368 18:414 20:256 21:4 22:188 23:6234 24:2577 25:6 27:2487 29:19 31:2509 32:77 34:12 35:106 36:1944 37:4646 38:4465 39:819 40:151 41:3913 42:1204 43:2313 44:309 45:16516 46:4257 47:356 49:1732 50:1822 51:573 52:1589 54:391 55:854 56:8 57:114 58:1707 59:1099 60:989 61:2476 62:2636 63:1922 64:5674 65:2319 66:4941 67:2999 68:1375 69:4142 70:1246 71:674 72:2978 74:2606 75:1443 76:598 77:2416 78:1851 79:3174 80:2106 81:1746 82:1482 83:1285 84:1513 85:2993 86:761 87:1987 88:1228 89:3652 90:609 91:7702 92:2069 93:2621 94:3596 95:4005 96:1327 97:336 98:1155 99:745 100:73 101:1302 102:2689 103:31200 104:4635 105:484 106:933 107:2520 108:1023 109:4418 110:2077 111:3083 112:2028 113:1542 114:1639 115:2010 116:1903 117:2560 118:2357 119:2008 120:1760 121:1044 122:2612 123:2161 124:1572 125:2477 128:1237 129:1049 130:1007 131:1985 132:847 133:422 134:1894 135:304 136:878 137:939 138:2565 139:1557 140:1234 141:1457 142:1426 143:1493 144:1155 145:347 146:1929 147:1573 148:2312 149:2101 150:859 151:1157 152:1932 153:489 154:4418 155:1436 156:1760 157:1304 158:1056 159:2300 160:2539 161:1527 162:3512 163:1511 164:1612 165:1729 166:1018 167:1744 168:3848 169:935 170:4590 171:882 172:3558 173:2939 174:1069 175:1168 176:3673 177:4577 178:3583 179:2149 180:2604 181:3428 182:3333 183:1969 184:2355 185:20201 186:4745 187:3943 188:4090 189:3549 190:9128 191:1433 192:10915 193:8874 194:7314 195:5140 196:3099 197:2364 198:5868 199:6090 200:7920 201:5856 202:10325 203:10199 204:4576 205:3527 206:4041 207:3374 208:4062 209:4838 210:4171 211:2401 212:4100 213:3565 214:1085 215:59 216:6628 217:2704 218:1268 219:406 220:1769 221:969 222:711 223:2147 End of report