IPv4 R&E Routing Table Report 20:15 GMT Thu 14 Mar, 2024 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 182725 Prefixes after maximum aggregation (per Origin AS): 79834 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 99891 Number of IPv4 prefixes with a valid ROA: 69015 Number of IPv4 prefixes with an invalid ROA: 81 Number of IPv4 prefixes with no ROA: 113629 Total ASes present in the Internet Routing Table: 15456 Prefixes per ASN: 11.82 Origin-only ASes present in the Internet Routing Table: 13341 Origin ASes announcing only one prefix: 6069 Transit ASes present in the Internet Routing Table: 2115 Transit-only ASes present in the Internet Routing Table: 582 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 210 Number of instances of unregistered ASNs: 210 Number of 32-bit ASNs allocated by the RIRs: 43818 Number of 32-bit ASNs visible in the Routing Table: 5579 Prefixes from 32-bit ASNs in the Routing Table: 18477 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 84 Number of addresses announced to Internet: 1021524409 Equivalent to 60 /8s, 227 /16s and 57 /24s Percentage of available address space announced: 27.6 Percentage of allocated address space announced: 27.6 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: 53221 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28691 Total APNIC prefixes after maximum aggregation: 6466 APNIC Deaggregation factor: 4.44 Prefixes being announced from the APNIC address blocks: 28400 Unique aggregates announced from the APNIC address blocks: 7473 APNIC Region origin ASes present in the Internet Routing Table: 1091 APNIC Prefixes per ASN: 26.03 APNIC Region origin ASes announcing only one prefix: 439 APNIC Region transit ASes present in the Internet Routing Table: 179 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 471 Number of APNIC addresses announced to Internet: 157317512 Equivalent to 9 /8s, 96 /16s and 121 /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, 131072-153913 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: 82226 Total ARIN prefixes after maximum aggregation: 44645 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81153 Unique aggregates announced from the ARIN address blocks: 50455 ARIN Region origin ASes present in the Internet Routing Table: 7176 ARIN Prefixes per ASN: 11.31 ARIN Region origin ASes announcing only one prefix: 3061 ARIN Region transit ASes present in the Internet Routing Table: 638 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1461 Number of ARIN addresses announced to Internet: 605342561 Equivalent to 36 /8s, 20 /16s and 203 /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: 35197 Total RIPE prefixes after maximum aggregation: 16633 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35589 Unique aggregates announced from the RIPE address blocks: 23670 RIPE Region origin ASes present in the Internet Routing Table: 3274 RIPE Prefixes per ASN: 10.87 RIPE Region origin ASes announcing only one prefix: 1409 RIPE Region transit ASes present in the Internet Routing Table: 512 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1206 Number of RIPE addresses announced to Internet: 155044304 Equivalent to 9 /8s, 61 /16s and 201 /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 196608-216475 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: 31754 Total LACNIC prefixes after maximum aggregation: 10110 LACNIC Deaggregation factor: 3.14 Prefixes being announced from the LACNIC address blocks: 31520 Unique aggregates announced from the LACNIC address blocks: 15295 LACNIC Region origin ASes present in the Internet Routing Table: 3063 LACNIC Prefixes per ASN: 10.29 LACNIC Region origin ASes announcing only one prefix: 1097 LACNIC Region transit ASes present in the Internet Routing Table: 618 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2357 Number of LACNIC addresses announced to Internet: 73111296 Equivalent to 4 /8s, 91 /16s and 151 /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: 4647 Total AfriNIC prefixes after maximum aggregation: 1805 AfriNIC Deaggregation factor: 2.57 Prefixes being announced from the AfriNIC address blocks: 5979 Unique aggregates announced from the AfriNIC address blocks: 2916 AfriNIC Region origin ASes present in the Internet Routing Table: 177 AfriNIC Prefixes per ASN: 33.78 AfriNIC Region origin ASes announcing only one prefix: 63 AfriNIC Region transit ASes present in the Internet Routing Table: 57 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 84 Number of AfriNIC addresses announced to Internet: 30660608 Equivalent to 1 /8s, 211 /16s and 216 /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 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1473 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1442 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 433 488 105 CMNET-GUANGDONG-AP China Mobile communi Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9707 11331 3345 AMAZON-02, US 749 3192 54919 2444 DNIC-AS-00749, US 367 2929 3633 1414 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1491 96 1121 USDA-1, US 5972 1438 394 639 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 866 406 798 AKAMAI-AS, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 1295 110 1056 AKAMAI-ASN1, NL 3215 894 4811 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 723 60 22 Jordan Data Communications, JO 8452 591 1841 11 TE-AS TE-AS, EG 51167 439 81 186 CONTABO, DE 35819 428 435 76 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 29580 415 46 175 A1BG_RSG A1 EAD, BG Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 4840 1398 797 UNINET, MX 3816 1312 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 994 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 570 2949 46 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 28343 321 63 100 UNIFIQUE TELECOMUNICACOES SA, BR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 676 239 189 LINKdotNET-AS, EG 36992 538 691 304 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 29571 341 47 131 ORANGE-COTE-IVOIRE, CI 36935 267 67 80 Vodafone-, EG 36914 202 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 37054 162 12 104 Telecom-Malagasy, MG 327687 160 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9707 11331 3345 AMAZON-02, US 9808 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 4840 1398 797 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3192 54919 2444 DNIC-AS-00749, US 367 2929 3633 1414 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1491 96 1121 USDA-1, US 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9640 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 4840 4043 UNINET, MX 11776 1859 1640 ATLANTICBB-JOHNSTOWN, US 367 2929 1515 DNIC-ASBLK-00306-00371, US 56047 1474 1440 CMNET-HUNAN-AP China Mobile communications corp 209 1705 1385 CENTURYLINK-US-LEGACY-QWEST, US 56041 1442 1369 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1473 1363 CMNET-JIANGSU-AP China Mobile communications co 3816 1312 1119 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.244.0/23 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.173.152.0/24 Origin: 397423 TIER-NET, US 23.173.152.0/24 Transit: 3356 LEVEL3, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:11 /9:4 /10:14 /11:25 /12:71 /13:112 /14:334 /15:670 /16:5277 /17:2501 /18:2575 /19:5324 /20:8487 /21:10666 /22:19575 /23:20024 /24:106792 /25:81 /26:51 /27:72 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2577 4840 UNINET, MX 16509 2033 9707 AMAZON-02, US 209 962 1705 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1859 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 689 827 BRSPD-PUBLIC, US 6147 687 1089 Telefonica del Peru S.A.A., PE 8376 563 723 Jordan Data Communications, JO 7979 446 997 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:472 3:278 5:1081 6:148 7:5 8:622 11:171 12:256 13:319 14:99 15:281 16:174 17:6 18:701 20:33 21:4 22:188 23:1821 24:404 25:2 27:17 29:19 31:166 32:1 34:5 35:53 36:1119 37:562 38:820 39:523 40:8 41:577 42:20 43:178 44:29 45:2277 46:569 47:100 49:11 50:250 51:465 52:1353 54:274 55:896 57:16 58:6 59:34 60:19 61:64 62:337 63:461 64:1433 65:795 66:1216 67:670 68:164 69:702 70:147 71:191 72:371 74:723 75:389 76:206 77:266 78:532 79:160 80:193 81:188 82:168 83:99 84:184 85:323 86:146 87:147 88:121 89:470 90:98 91:500 92:429 93:773 94:489 95:1091 96:165 97:31 98:125 99:143 100:22 101:25 102:206 103:1036 104:683 105:29 106:2 107:220 108:296 109:233 110:29 111:1752 112:450 113:40 114:32 115:11 116:31 117:946 118:52 119:95 120:1090 121:31 122:81 123:20 124:57 125:13 128:385 129:279 130:508 131:776 132:505 133:264 134:331 135:67 136:359 137:459 138:751 139:404 140:571 141:326 142:689 143:580 144:321 145:61 146:454 147:319 148:613 149:513 150:347 151:540 152:368 153:118 154:453 155:661 156:364 157:224 158:316 159:534 160:554 161:423 162:701 163:294 164:614 165:365 166:100 167:377 168:972 169:148 170:1218 171:63 172:888 173:614 174:108 175:46 176:405 177:719 178:333 179:490 180:43 181:998 182:12 183:854 184:197 185:2190 186:1011 187:737 188:486 189:1067 190:3005 191:173 192:3686 193:1210 194:781 195:561 196:454 197:347 198:1932 199:3300 200:2726 201:2447 202:926 203:604 204:1749 205:1671 206:1116 207:1046 208:980 209:1406 210:289 211:422 212:694 213:550 214:1058 215:37 216:1681 217:311 218:516 219:19 220:30 221:300 222:18 223:628 End of report