IPv4 R&E Routing Table Report 23:05 GMT Wed 05 Oct, 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: 894883 Prefixes after maximum aggregation (per Origin AS): 340600 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440034 Number of IPv4 prefixes with a valid ROA: 353241 Number of IPv4 prefixes with an invalid ROA: 1604 Number of IPv4 prefixes with no ROA: 540038 Total ASes present in the Internet Routing Table: 73530 Prefixes per ASN: 12.17 Origin-only ASes present in the Internet Routing Table: 63168 Origin ASes announcing only one prefix: 25969 Transit ASes present in the Internet Routing Table: 10362 Transit-only ASes present in the Internet Routing Table: 400 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 1045 Number of instances of unregistered ASNs: 1047 Number of 32-bit ASNs allocated by the RIRs: 40338 Number of 32-bit ASNs visible in the Routing Table: 33399 Prefixes from 32-bit ASNs in the Routing Table: 160352 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 495 Number of addresses announced to Internet: 3064768256 Equivalent to 182 /8s, 172 /16s and 167 /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: 300526 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231524 Total APNIC prefixes after maximum aggregation: 67029 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226520 Unique aggregates announced from the APNIC address blocks: 96419 APNIC Region origin ASes present in the Internet Routing Table: 12917 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3719 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8214 Number of APNIC addresses announced to Internet: 773273856 Equivalent to 46 /8s, 23 /16s and 57 /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: 264480 Total ARIN prefixes after maximum aggregation: 120954 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265487 Unique aggregates announced from the ARIN address blocks: 128366 ARIN Region origin ASes present in the Internet Routing Table: 19004 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 6942 ARIN Region transit ASes present in the Internet Routing Table: 1869 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4608 Number of ARIN addresses announced to Internet: 1290723072 Equivalent to 76 /8s, 238 /16s and 223 /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: 252862 Total RIPE prefixes after maximum aggregation: 118465 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249834 Unique aggregates announced from the RIPE address blocks: 153741 RIPE Region origin ASes present in the Internet Routing Table: 28159 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12005 RIPE Region transit ASes present in the Internet Routing Table: 4002 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: 10821 Number of RIPE addresses announced to Internet: 716561408 Equivalent to 42 /8s, 181 /16s and 220 /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: 116452 Total LACNIC prefixes after maximum aggregation: 27782 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 116061 Unique aggregates announced from the LACNIC address blocks: 49066 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2704 LACNIC Region transit ASes present in the Internet Routing Table: 2238 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: 8735 Number of LACNIC addresses announced to Internet: 176130816 Equivalent to 10 /8s, 127 /16s and 139 /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: 28520 Total AfriNIC prefixes after maximum aggregation: 5591 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36486 Unique aggregates announced from the AfriNIC address blocks: 12026 AfriNIC Region origin ASes present in the Internet Routing Table: 1692 AfriNIC Prefixes per ASN: 21.56 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1021 Number of AfriNIC addresses announced to Internet: 107798016 Equivalent to 6 /8s, 108 /16s and 222 /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 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5922 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3383 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2456 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2233 851 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2227 11251 595 KIXS-AS-KR Korea Telecom, KR 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2133 425 218 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 7253 10547 2858 AMAZON-02, US 11492 4552 302 622 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3777 3066 351 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3550 1850 2545 AKAMAI-AS, US 6327 3498 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2596 367 289 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2547 3479 345 GOOGLE-CLOUD-PLATFORM, US 209 2348 4935 393 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 6882 1730 144 UNI2-AS, ES 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2286 911 ROSTELECOM-AS, RU 9009 2611 252 1340 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2251 358 626 TELLCOM-AS, TR 58224 1797 936 536 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 11057 3395 562 Uninet S.A. de C.V., MX 10620 3483 513 833 Telmex Colombia S.A., CO 11830 2304 369 64 Instituto Costarricense de Electricidad 13999 2048 334 530 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1142 369 22 Telefonica del Peru S.A.A., PE 11664 1071 180 462 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1520 521 31 RAYA-AS, EG 24863 1496 393 21 LINKdotNET-AS, EG 36992 1348 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1006 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 524 53 42 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 23889 401 232 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 11057 3395 562 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7253 10547 2858 AMAZON-02, US 12479 6882 1730 144 UNI2-AS, ES 7545 5922 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4552 302 622 CABLEONE, US 20940 4096 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 12479 6882 6738 UNI2-AS, ES 7545 5922 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7253 4395 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4552 3930 CABLEONE, US 20940 4096 3922 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 25674 UNALLOCATED 8.12.76.0/24 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 /10:38 /11:100 /12:295 /13:586 /14:1194 /15:2078 /16:13463 /17:8274 /18:13768 /19:24707 /20:43069 /21:50858 /22:107933 /23:95858 /24:532626 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5889 6882 UNI2-AS, ES 8151 4793 11057 Uninet S.A. de C.V., MX 11492 3475 4552 CABLEONE, US 8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3498 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2788 3777 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2254 2596 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1889 2:1025 3:166 4:5 5:3923 6:116 7:6 8:1558 9:1 11:173 12:1626 13:329 14:2365 15:266 16:68 17:362 18:329 20:241 21:4 22:188 23:5938 24:2453 25:6 27:2666 29:19 31:2437 32:91 34:7 35:90 36:1891 37:4480 38:3616 39:746 40:159 41:3911 42:1165 43:2244 44:294 45:16103 46:4170 47:376 49:1716 50:1929 51:242 52:1486 54:387 55:851 56:8 57:79 58:1725 59:1109 60:988 61:2367 62:2534 63:1919 64:5603 65:2309 66:4818 67:2951 68:1202 69:4164 70:1305 71:677 72:2977 74:2639 75:1479 76:588 77:2222 78:1818 79:3140 80:2048 81:1636 82:1512 83:1209 84:1398 85:2936 86:731 87:1904 88:1159 89:3395 90:543 91:7569 92:2043 93:2543 94:3539 95:3841 96:1335 97:343 98:1032 99:734 100:77 101:1297 102:2328 103:30136 104:4546 105:472 106:887 107:2541 108:889 109:4326 110:2015 111:3276 112:2043 113:1477 114:1509 115:1970 116:1889 117:2484 118:2325 119:1849 120:1705 121:1003 122:2537 123:2097 124:1516 125:2096 128:1178 129:985 130:958 131:2020 132:815 133:376 134:1895 135:294 136:872 137:883 138:2520 139:1514 140:1078 141:1472 142:1360 143:1401 144:1197 145:348 146:1851 147:1533 148:2234 149:1811 150:878 151:1112 152:1938 153:468 154:3810 155:1424 156:1668 157:1298 158:1038 159:2174 160:2543 161:1354 162:3506 163:1419 164:1672 165:1659 166:776 167:1727 168:3792 169:872 170:4547 171:850 172:3401 173:3096 174:1016 175:1147 176:3599 177:4736 178:3561 179:2131 180:2365 181:3257 182:3194 183:1939 184:2357 185:19761 186:4602 187:3940 188:4003 189:3500 190:8976 191:1451 192:10973 193:8719 194:7143 195:5033 196:3060 197:2453 198:5949 199:6026 200:7578 201:5809 202:10149 203:10005 204:4512 205:3481 206:3805 207:3370 208:4029 209:4721 210:4118 211:2328 212:4011 213:3545 214:1114 215:54 216:6403 217:2617 218:1268 219:404 220:1774 221:921 222:650 223:1978 End of report