IPv4 R&E Routing Table Report 23:00 GMT Tue 04 Oct, 2022 IPv4 BGP Table (Global) as seen at London. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/London/ Analysis Summary ---------------- BGP routing table entries examined: 894898 Prefixes after maximum aggregation (per Origin AS): 341006 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 440000 Number of IPv4 prefixes with a valid ROA: 353499 Number of IPv4 prefixes with an invalid ROA: 1620 Number of IPv4 prefixes with no ROA: 539779 Total ASes present in the Internet Routing Table: 73524 Prefixes per ASN: 12.17 Origin-only ASes present in the Internet Routing Table: 63170 Origin ASes announcing only one prefix: 25996 Transit ASes present in the Internet Routing Table: 10354 Transit-only ASes present in the Internet Routing Table: 402 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: 1047 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 40326 Number of 32-bit ASNs visible in the Routing Table: 33385 Prefixes from 32-bit ASNs in the Routing Table: 160344 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 506 Number of addresses announced to Internet: 3064717568 Equivalent to 182 /8s, 171 /16s and 225 /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: 300524 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231510 Total APNIC prefixes after maximum aggregation: 67005 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226509 Unique aggregates announced from the APNIC address blocks: 96370 APNIC Region origin ASes present in the Internet Routing Table: 12904 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3724 APNIC Region transit ASes present in the Internet Routing Table: 1742 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: 8203 Number of APNIC addresses announced to Internet: 773255936 Equivalent to 46 /8s, 22 /16s and 243 /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: 264464 Total ARIN prefixes after maximum aggregation: 121360 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 265393 Unique aggregates announced from the ARIN address blocks: 128384 ARIN Region origin ASes present in the Internet Routing Table: 19003 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 6945 ARIN Region transit ASes present in the Internet Routing Table: 1867 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4606 Number of ARIN addresses announced to Internet: 1290682112 Equivalent to 76 /8s, 238 /16s and 63 /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: 252829 Total RIPE prefixes after maximum aggregation: 118498 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249849 Unique aggregates announced from the RIPE address blocks: 153757 RIPE Region origin ASes present in the Internet Routing Table: 28164 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12021 RIPE Region transit ASes present in the Internet Routing Table: 3993 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: 10822 Number of RIPE addresses announced to Internet: 716588032 Equivalent to 42 /8s, 182 /16s and 68 /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: 116464 Total LACNIC prefixes after maximum aggregation: 27774 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 116091 Unique aggregates announced from the LACNIC address blocks: 49029 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2711 LACNIC Region transit ASes present in the Internet Routing Table: 2239 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: 176177408 Equivalent to 10 /8s, 128 /16s and 65 /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: 28584 Total AfriNIC prefixes after maximum aggregation: 5587 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36550 Unique aggregates announced from the AfriNIC address blocks: 12033 AfriNIC Region origin ASes present in the Internet Routing Table: 1689 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 595 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: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1019 Number of AfriNIC addresses announced to Internet: 107728640 Equivalent to 6 /8s, 107 /16s and 207 /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 5923 786 696 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 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2455 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/London/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7310 10556 2845 AMAZON-02, US 11492 4548 301 624 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3778 3066 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3550 1850 2545 AKAMAI-AS, US 6327 3498 1319 64 SHAW, CA 749 3030 50696 2297 DNIC-AS-00749, US 30036 2560 363 398 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2546 3479 344 GOOGLE-CLOUD-PLATFORM, US 209 2348 4935 393 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6884 1730 144 UNI2-AS, ES 20940 4090 3394 189 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2610 252 1339 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2250 358 628 TELLCOM-AS, TR 58224 1797 936 536 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11050 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 2045 333 530 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 520 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 1067 180 463 Techtel LMDS Comunicaciones Interactiva 26615 987 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/London/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 1494 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/London/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11050 3395 562 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7310 10556 2845 AMAZON-02, US 12479 6884 1730 144 UNI2-AS, ES 7545 5923 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4548 301 624 CABLEONE, US 20940 4090 3394 189 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3986 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/London/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 6884 6740 UNI2-AS, ES 7545 5923 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7310 4465 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3986 3948 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4548 3924 CABLEONE, US 20940 4090 3901 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/London/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/London/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/London/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 /16:13462 /17:8280 /18:13769 /19:24731 /20:43079 /21:50856 /22:107935 /23:95817 /24:532642 /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 5892 6884 UNI2-AS, ES 8151 4786 11050 Uninet S.A. de C.V., MX 11492 3471 4548 CABLEONE, US 8551 3450 3986 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 2789 3778 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2220 2560 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/London/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1890 2:1026 3:166 4:5 5:3919 6:116 7:6 8:1557 9:1 11:173 12:1626 13:341 14:2362 15:266 16:68 17:362 18:331 20:240 21:4 22:188 23:5937 24:2452 25:6 27:2664 29:19 31:2437 32:91 34:7 35:90 36:1892 37:4484 38:3604 39:746 40:159 41:3917 42:1165 43:2244 44:294 45:16133 46:4157 47:370 49:1717 50:1918 51:242 52:1496 54:387 55:850 56:8 57:79 58:1725 59:1109 60:988 61:2367 62:2534 63:1916 64:5599 65:2309 66:4828 67:2955 68:1202 69:4163 70:1305 71:677 72:2978 74:2636 75:1480 76:588 77:2255 78:1853 79:3140 80:2046 81:1637 82:1493 83:1212 84:1416 85:2937 86:727 87:1906 88:1164 89:3393 90:542 91:7571 92:2043 93:2542 94:3528 95:3838 96:1335 97:343 98:1033 99:737 100:77 101:1296 102:2336 103:30102 104:4545 105:472 106:887 107:2540 108:891 109:4318 110:2016 111:3278 112:2043 113:1478 114:1507 115:1973 116:1888 117:2486 118:2326 119:1844 120:1707 121:1008 122:2536 123:2096 124:1515 125:2098 128:1181 129:993 130:958 131:2017 132:816 133:376 134:1895 135:294 136:875 137:884 138:2530 139:1508 140:1047 141:1473 142:1358 143:1397 144:1194 145:349 146:1847 147:1527 148:2234 149:1813 150:876 151:1110 152:1936 153:468 154:3795 155:1424 156:1668 157:1298 158:1038 159:2175 160:2536 161:1356 162:3500 163:1422 164:1670 165:1655 166:785 167:1726 168:3803 169:871 170:4549 171:850 172:3400 173:3071 174:1015 175:1159 176:3581 177:4743 178:3561 179:2160 180:2365 181:3251 182:3193 183:1939 184:2355 185:19763 186:4614 187:3939 188:4005 189:3497 190:8964 191:1451 192:10975 193:8714 194:7135 195:5034 196:3061 197:2455 198:5939 199:6028 200:7587 201:5808 202:10150 203:10018 204:4515 205:3492 206:3810 207:3373 208:4009 209:4724 210:4118 211:2326 212:4004 213:3544 214:1116 215:54 216:6416 217:2615 218:1268 219:404 220:1775 221:921 222:648 223:1978 End of report