IPv4 R&E Routing Table Report 23:05 GMT Sun 24 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: 888961 Prefixes after maximum aggregation (per Origin AS): 337962 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436729 Number of IPv4 prefixes with a valid ROA: 337654 Number of IPv4 prefixes with an invalid ROA: 1305 Number of IPv4 prefixes with no ROA: 550002 Total ASes present in the Internet Routing Table: 73263 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62877 Origin ASes announcing only one prefix: 25917 Transit ASes present in the Internet Routing Table: 10386 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 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: 39865 Number of 32-bit ASNs visible in the Routing Table: 33009 Prefixes from 32-bit ASNs in the Routing Table: 156969 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: 3071099904 Equivalent to 183 /8s, 13 /16s and 68 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 299082 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229574 Total APNIC prefixes after maximum aggregation: 66399 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224708 Unique aggregates announced from the APNIC address blocks: 95689 APNIC Region origin ASes present in the Internet Routing Table: 12721 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3676 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 8006 Number of APNIC addresses announced to Internet: 772586496 Equivalent to 46 /8s, 12 /16s and 188 /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: 262891 Total ARIN prefixes after maximum aggregation: 120399 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263110 Unique aggregates announced from the ARIN address blocks: 127199 ARIN Region origin ASes present in the Internet Routing Table: 18983 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6928 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 1295860224 Equivalent to 77 /8s, 61 /16s and 66 /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: 251694 Total RIPE prefixes after maximum aggregation: 117421 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249059 Unique aggregates announced from the RIPE address blocks: 152792 RIPE Region origin ASes present in the Internet Routing Table: 28147 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12060 RIPE Region transit ASes present in the Internet Routing Table: 4019 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: 10762 Number of RIPE addresses announced to Internet: 718141696 Equivalent to 42 /8s, 205 /16s and 249 /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: 115716 Total LACNIC prefixes after maximum aggregation: 27497 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115440 Unique aggregates announced from the LACNIC address blocks: 48826 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2254 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: 8703 Number of LACNIC addresses announced to Internet: 176489728 Equivalent to 10 /8s, 133 /16s and 5 /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: 28128 Total AfriNIC prefixes after maximum aggregation: 5522 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36144 Unique aggregates announced from the AfriNIC address blocks: 11803 AfriNIC Region origin ASes present in the Internet Routing Table: 1658 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 581 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 985 Number of AfriNIC addresses announced to Internet: 107738624 Equivalent to 6 /8s, 107 /16s and 246 /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 9031 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5921 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3572 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3504 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 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 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2134 847 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6764 10388 2688 AMAZON-02, US 11492 4514 299 657 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3829 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3455 1779 2499 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 3016 50733 2274 DNIC-AS-00749, US 30036 2605 373 271 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2377 4936 409 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 6892 1730 144 UNI2-AS, ES 20940 4022 3360 194 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2290 912 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2573 254 1334 M247, GB 34984 2248 358 636 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 10784 3397 560 Uninet S.A. de C.V., MX 10620 3482 515 774 Telmex Colombia S.A., CO 11830 2412 369 64 Instituto Costarricense de Electricidad 13999 1909 312 506 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 996 179 459 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 1611 393 21 LINKdotNET-AS, EG 24835 1526 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 800 520 41 Vodafone-, EG 6713 612 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 10784 3397 560 Uninet S.A. de C.V., MX 9808 9031 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6892 1730 144 UNI2-AS, ES 16509 6764 10388 2688 AMAZON-02, US 7545 5921 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4514 299 657 CABLEONE, US 20940 4022 3360 194 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4001 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 9031 8985 CHINAMOBILE-CN China Mobile Communications Grou 12479 6892 6748 UNI2-AS, ES 7545 5921 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6764 4076 AMAZON-02, US 8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3906 3874 VIASAT-SP-BACKBONE, US 11492 4514 3857 CABLEONE, US 20940 4022 3828 AKAMAI-ASN1, NL 7552 3572 3553 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 /14:1203 /15:2097 /16:13504 /17:8260 /18:13771 /19:24740 /20:43046 /21:50836 /22:107542 /23:95255 /24:527639 /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 5876 6892 UNI2-AS, ES 8151 4512 10784 Uninet S.A. de C.V., MX 8551 3464 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4514 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2849 3829 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2264 2605 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1912 2:1029 3:157 4:5 5:3829 6:110 7:6 8:1534 9:1 11:172 12:1643 13:340 14:2347 15:234 16:47 17:388 18:178 20:242 21:4 22:188 23:5803 24:2360 25:6 27:2614 29:19 31:2427 32:92 34:7 35:87 36:1838 37:4439 38:3307 39:720 40:152 41:3890 42:1121 43:2213 44:287 45:15992 46:4121 47:299 49:1692 50:1947 51:237 52:1451 54:386 55:843 56:8 57:60 58:1722 59:1110 60:962 61:2287 62:2524 63:1923 64:5582 65:2380 66:4835 67:2965 68:1192 69:4170 70:1317 71:680 72:3020 74:2627 75:1399 76:576 77:2214 78:1880 79:3127 80:2002 81:1639 82:1493 83:1204 84:1346 85:2956 86:726 87:1900 88:1169 89:3350 90:546 91:7605 92:2023 93:2554 94:3505 95:3843 96:1328 97:352 98:1026 99:752 100:77 101:1267 102:2183 103:29418 104:4532 105:468 106:877 107:2548 108:854 109:4327 110:1972 111:3277 112:2039 113:1469 114:1470 115:1978 116:1887 117:2427 118:2300 119:1835 120:1737 121:1026 122:2517 123:2074 124:1541 125:2040 128:1168 129:1052 130:974 131:2051 132:806 133:377 134:1932 135:303 136:894 137:860 138:2470 139:1505 140:928 141:1447 142:1309 143:1397 144:1215 145:350 146:1818 147:1507 148:2201 149:1736 150:867 151:1073 152:1852 153:462 154:3666 155:1447 156:1676 157:1276 158:1036 159:2222 160:2498 161:1279 162:3461 163:1307 164:1636 165:1640 166:755 167:1748 168:3804 169:886 170:4518 171:836 172:3300 173:3107 174:1022 175:1153 176:3601 177:4746 178:3539 179:2174 180:2366 181:3214 182:3195 183:1938 184:2343 185:19588 186:4401 187:3800 188:3965 189:3382 190:8921 191:1434 192:10973 193:8656 194:7047 195:5001 196:3032 197:2414 198:5941 199:6018 200:7521 201:5851 202:10125 203:10020 204:4487 205:3438 206:3683 207:3343 208:4002 209:4673 210:4164 211:2304 212:4023 213:3451 214:1143 215:67 216:6452 217:2646 218:1270 219:407 220:1740 221:965 222:656 223:1957 End of report