IPv4 R&E Routing Table Report 23:05 GMT Tue 26 Jul, 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: 888986 Prefixes after maximum aggregation (per Origin AS): 338183 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436992 Number of IPv4 prefixes with a valid ROA: 338117 Number of IPv4 prefixes with an invalid ROA: 1274 Number of IPv4 prefixes with no ROA: 549595 Total ASes present in the Internet Routing Table: 73260 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62875 Origin ASes announcing only one prefix: 25924 Transit ASes present in the Internet Routing Table: 10385 Transit-only ASes present in the Internet Routing Table: 401 Paths with bogon ASNs present in the IPv4 Routing Table: 36 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 958 Number of instances of unregistered ASNs: 962 Number of 32-bit ASNs allocated by the RIRs: 39868 Number of 32-bit ASNs visible in the Routing Table: 33012 Prefixes from 32-bit ASNs in the Routing Table: 156972 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 500 Number of addresses announced to Internet: 3070806272 Equivalent to 183 /8s, 8 /16s and 201 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 299053 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229584 Total APNIC prefixes after maximum aggregation: 66419 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224691 Unique aggregates announced from the APNIC address blocks: 95789 APNIC Region origin ASes present in the Internet Routing Table: 12729 APNIC Prefixes per ASN: 17.65 APNIC Region origin ASes announcing only one prefix: 3680 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8013 Number of APNIC addresses announced to Internet: 772767744 Equivalent to 46 /8s, 15 /16s and 128 /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: 262977 Total ARIN prefixes after maximum aggregation: 120445 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263232 Unique aggregates announced from the ARIN address blocks: 127288 ARIN Region origin ASes present in the Internet Routing Table: 18984 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6928 ARIN Region transit ASes present in the Internet Routing Table: 1863 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4553 Number of ARIN addresses announced to Internet: 1295911168 Equivalent to 77 /8s, 62 /16s and 9 /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: 251723 Total RIPE prefixes after maximum aggregation: 117526 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249089 Unique aggregates announced from the RIPE address blocks: 152911 RIPE Region origin ASes present in the Internet Routing Table: 28145 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12059 RIPE Region transit ASes present in the Internet Routing Table: 4026 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10763 Number of RIPE addresses announced to Internet: 717819648 Equivalent to 42 /8s, 201 /16s and 15 /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: 115629 Total LACNIC prefixes after maximum aggregation: 27542 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115341 Unique aggregates announced from the LACNIC address blocks: 48790 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2255 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: 8704 Number of LACNIC addresses announced to Internet: 176408832 Equivalent to 10 /8s, 131 /16s and 201 /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: 28115 Total AfriNIC prefixes after maximum aggregation: 5527 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36133 Unique aggregates announced from the AfriNIC address blocks: 11795 AfriNIC Region origin ASes present in the Internet Routing Table: 1650 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 572 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 979 Number of AfriNIC addresses announced to Internet: 107615232 Equivalent to 6 /8s, 106 /16s and 20 /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 9027 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5923 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3568 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3507 1042 60 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2256 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2145 850 403 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2125 425 217 TATACOMM-AS TATA Communications formerl 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 6721 10382 2677 AMAZON-02, US 11492 4507 299 665 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3830 3067 349 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3456 1779 2500 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 3024 50732 2282 DNIC-AS-00749, US 30036 2600 371 286 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2517 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2377 4936 410 CENTURYLINK-US-LEGACY-QWEST, 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 6883 1730 144 UNI2-AS, ES 20940 4024 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2893 2292 913 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2572 254 1330 M247, GB 34984 2246 358 635 TELLCOM-AS, TR 58224 1771 931 556 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 10788 3397 560 Uninet S.A. de C.V., MX 10620 3468 513 796 Telmex Colombia S.A., CO 11830 2412 369 64 Instituto Costarricense de Electricidad 13999 1912 312 509 Mega Cable, S.A. de C.V., MX 28573 1359 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1266 693 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 370 21 Telefonica del Peru S.A.A., PE 11664 996 179 461 Techtel LMDS Comunicaciones Interactiva 26615 978 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 24863 1606 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1320 1519 274 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 969 66 47 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 517 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 400 232 16 MauritiusTelecom, MU 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 10788 3397 560 Uninet S.A. de C.V., MX 9808 9027 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6883 1730 144 UNI2-AS, ES 16509 6721 10382 2677 AMAZON-02, US 7545 5923 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 665 CABLEONE, US 20940 4024 3360 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 265 32 VIASAT-SP-BACKBONE, US 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 9027 8981 CHINAMOBILE-CN China Mobile Communications Grou 12479 6883 6739 UNI2-AS, ES 7545 5923 5230 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6721 4044 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 11492 4507 3842 CABLEONE, US 20940 4024 3830 AKAMAI-ASN1, NL 7552 3568 3549 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 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 18604 UNALLOCATED 8.25.204.0/24 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /10:39 /11:100 /12:303 /13:591 /14:1202 /15:2097 /16:13498 /17:8247 /18:13780 /19:24732 /20:43034 /21:50810 /22:107612 /23:95209 /24:527697 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5868 6883 UNI2-AS, ES 8151 4516 10788 Uninet S.A. de C.V., MX 8551 3462 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3412 4507 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2851 3830 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2260 2600 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1924 2:1022 3:157 4:5 5:3828 6:110 7:6 8:1535 9:1 11:172 12:1641 13:333 14:2344 15:231 16:47 17:388 18:180 20:242 21:4 22:188 23:5794 24:2359 25:6 27:2617 29:19 31:2427 32:92 34:7 35:87 36:1841 37:4438 38:3321 39:720 40:152 41:3894 42:1121 43:2192 44:290 45:15976 46:4118 47:300 49:1693 50:1943 51:237 52:1454 54:384 55:850 56:8 57:60 58:1726 59:1110 60:962 61:2287 62:2522 63:1928 64:5581 65:2382 66:4830 67:2964 68:1192 69:4167 70:1317 71:680 72:3020 74:2630 75:1399 76:577 77:2230 78:1877 79:3127 80:2004 81:1638 82:1490 83:1204 84:1350 85:2949 86:734 87:1893 88:1162 89:3356 90:547 91:7609 92:2019 93:2560 94:3502 95:3843 96:1327 97:352 98:1029 99:750 100:77 101:1268 102:2189 103:29396 104:4516 105:468 106:879 107:2543 108:855 109:4310 110:1970 111:3278 112:2038 113:1470 114:1471 115:1977 116:1888 117:2423 118:2299 119:1834 120:1738 121:1027 122:2520 123:2078 124:1541 125:2044 128:1167 129:1049 130:973 131:2045 132:804 133:378 134:1934 135:303 136:890 137:868 138:2482 139:1503 140:928 141:1442 142:1310 143:1395 144:1208 145:350 146:1822 147:1510 148:2187 149:1741 150:866 151:1073 152:1856 153:463 154:3677 155:1447 156:1678 157:1276 158:1037 159:2223 160:2497 161:1300 162:3522 163:1315 164:1635 165:1641 166:756 167:1778 168:3793 169:879 170:4517 171:836 172:3298 173:3107 174:1024 175:1156 176:3608 177:4734 178:3540 179:2167 180:2365 181:3226 182:3195 183:1938 184:2344 185:19575 186:4404 187:3796 188:3973 189:3383 190:8915 191:1445 192:10959 193:8658 194:7050 195:4999 196:3032 197:2414 198:5947 199:6010 200:7508 201:5860 202:10126 203:10019 204:4511 205:3436 206:3688 207:3339 208:4007 209:4674 210:4170 211:2303 212:4020 213:3466 214:1136 215:66 216:6447 217:2631 218:1265 219:407 220:1741 221:966 222:656 223:1958 End of report