IPv4 R&E Routing Table Report 20:15 GMT Fri 27 Feb, 2026 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: 289868 Prefixes after maximum aggregation (per Origin AS): 118416 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 148278 Number of IPv4 prefixes with a valid ROA: 148591 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 141062 Total ASes present in the Internet Routing Table: 20423 Prefixes per ASN: 14.19 Origin-only ASes present in the Internet Routing Table: 17554 Origin ASes announcing only one prefix: 7877 Transit ASes present in the Internet Routing Table: 2869 Transit-only ASes present in the Internet Routing Table: 725 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 247 Number of instances of unregistered ASNs: 276 Number of 32-bit ASNs allocated by the RIRs: 48879 Number of 32-bit ASNs visible in the Routing Table: 8362 Prefixes from 32-bit ASNs in the Routing Table: 35411 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 100 Number of addresses announced to Internet: 1623641541 Equivalent to 96 /8s, 198 /16s and 205 /24s Percentage of available address space announced: 43.9 Percentage of allocated address space announced: 43.9 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: 93159 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42593 Total APNIC prefixes after maximum aggregation: 8118 APNIC Deaggregation factor: 5.25 Prefixes being announced from the APNIC address blocks: 39059 Unique aggregates announced from the APNIC address blocks: 7891 APNIC Region origin ASes present in the Internet Routing Table: 1249 APNIC Prefixes per ASN: 31.27 APNIC Region origin ASes announcing only one prefix: 526 APNIC Region transit ASes present in the Internet Routing Table: 222 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 596 Number of APNIC addresses announced to Internet: 170516588 Equivalent to 10 /8s, 41 /16s and 224 /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, 131072-155961 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: 127853 Total ARIN prefixes after maximum aggregation: 65282 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125060 Unique aggregates announced from the ARIN address blocks: 71390 ARIN Region origin ASes present in the Internet Routing Table: 8982 ARIN Prefixes per ASN: 13.92 ARIN Region origin ASes announcing only one prefix: 3709 ARIN Region transit ASes present in the Internet Routing Table: 857 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2151 Number of ARIN addresses announced to Internet: 1017773097 Equivalent to 60 /8s, 169 /16s and 252 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 51417 Total RIPE prefixes after maximum aggregation: 25955 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54498 Unique aggregates announced from the RIPE address blocks: 37556 RIPE Region origin ASes present in the Internet Routing Table: 4478 RIPE Prefixes per ASN: 12.17 RIPE Region origin ASes announcing only one prefix: 1908 RIPE Region transit ASes present in the Internet Routing Table: 688 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 21 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1904 Number of RIPE addresses announced to Internet: 282406864 Equivalent to 16 /8s, 213 /16s and 47 /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, 53/8, 57/8, 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: 58156 Total LACNIC prefixes after maximum aggregation: 16807 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 55927 Unique aggregates announced from the LACNIC address blocks: 24692 LACNIC Region origin ASes present in the Internet Routing Table: 4599 LACNIC Prefixes per ASN: 12.16 LACNIC Region origin ASes announcing only one prefix: 1630 LACNIC Region transit ASes present in the Internet Routing Table: 903 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3561 Number of LACNIC addresses announced to Internet: 107379296 Equivalent to 6 /8s, 102 /16s and 122 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 9602 Total AfriNIC prefixes after maximum aggregation: 2060 AfriNIC Deaggregation factor: 4.66 Prefixes being announced from the AfriNIC address blocks: 15224 Unique aggregates announced from the AfriNIC address blocks: 6659 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 55.16 AfriNIC Region origin ASes announcing only one prefix: 104 AfriNIC Region transit ASes present in the Internet Routing Table: 82 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 150 Number of AfriNIC addresses announced to Internet: 45483520 Equivalent to 2 /8s, 182 /16s and 6 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 13545 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3407 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2328 146 489 LCS-AS-AP LARUS Limited, HK 56041 1797 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1717 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1060 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 910 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 774 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 708 1210 157 ALIBABA-CN-NET Alibaba US Technology Co., 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 14387 41219 5550 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3102 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3141 54728 2392 DNIC-AS-00749 - United States Department 36352 2368 194 1094 AS-COLOCROSSING - HostPapa, US 6167 2006 4258 558 CELLCO-PART - Verizon Business, US 11776 1898 258 214 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1633 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1616 1344 738 DNIC-ASBLK-00306-00371 - United States De 19901 1475 737 685 BRIGHTSPEED - Brightspeed, US 20057 1456 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 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 4969 306 72 ALJAWWALSTC-AS, SA 20940 1279 98 1037 AKAMAI-ASN1, NL 25019 1278 1336 143 SAUDINETSTC-AS, SA 34984 988 145 732 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 886 1841 22 TE-AS TE-AS, EG 212238 733 53 646 CDNEXT, GB 8376 665 53 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 35819 542 541 85 MOBILY-AS Etihad Etisalat Company Mobily, 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 7272 1918 796 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1523 212 1133 Telmex Colombia S.A., CO 11664 1440 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1250 371 22 INTEGRATEL PERU S.A.A., PE 26615 1051 2475 94 TIM SA, BR 18881 951 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 691 43 208 UFINET PANAMA S.A., PA 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 24835 1399 488 23 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 856 389 16 LINKdotNET-AS, EG 36914 552 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 462 78 20 ORANGE-COTE-IVOIRE, CI 36935 437 515 7 Vodafone-, EG 36992 381 868 250 ETISALAT-MISR, EG 2018 375 318 69 TENET-1, ZA 37693 347 599 43 TUNISIANA, 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 14387 41219 5550 AMAZON-02 - Amazon.com, Inc., US 9808 13545 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7272 1918 796 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4780 3102 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3407 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3141 54728 2392 DNIC-AS-00749 - United States Department 36352 2368 194 1094 AS-COLOCROSSING - HostPapa, US 17561 2328 146 489 LCS-AS-AP LARUS Limited, HK 6167 2006 4258 558 CELLCO-PART - Verizon Business, US 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 13545 13425 CHINAMOBILE-CN China Mobile Communications Grou 8151 7272 6476 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4780 4412 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3407 3218 CMNET-JIANGSU-AP China Mobile communications co 11830 1958 1893 Instituto Costarricense de Electricidad y Telec 17561 2328 1839 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1898 1684 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1717 1667 CMNET-HUNAN-AP China Mobile communications corp 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 397665 UNALLOCATED 12.24.28.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4 - AT&T En 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4 - AT&T En 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4 - AT&T En 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4 - AT&T En 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 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /8:14 /9:11 /10:31 /11:55 /12:159 /13:217 /14:579 /15:1076 /16:7509 /17:3519 /18:4192 /19:7721 /20:13391 /21:15892 /22:28651 /23:30134 /24:176477 /25:67 /26:82 /27:51 /28:18 /29:7 /30:9 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4010 7272 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3049 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2602 14387 AMAZON-02 - Amazon.com, Inc., US 11830 1666 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1440 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1031 1475 BRIGHTSPEED - Brightspeed, US 36352 1026 2368 AS-COLOCROSSING - HostPapa, US 209 950 1633 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 934 1523 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:516 3:975 4:5 5:1205 6:180 7:5 8:626 9:7 11:172 12:854 13:591 14:127 15:397 16:152 17:3 18:916 20:341 21:4 22:188 23:2947 24:654 27:18 29:19 31:463 32:12 34:9 35:183 36:3352 37:623 38:2472 39:853 40:227 41:1056 42:22 43:213 44:26 45:4681 46:913 47:164 48:20 49:21 50:503 51:517 52:1080 54:259 55:1115 56:11 57:32 58:48 59:28 60:15 61:50 62:599 63:701 64:2226 65:979 66:2371 67:1108 68:491 69:1230 70:426 71:151 72:695 74:982 75:271 76:231 77:424 78:560 79:256 80:327 81:422 82:811 83:204 84:340 85:620 86:251 87:195 88:279 89:577 90:103 91:940 92:698 93:885 94:984 95:1274 96:280 97:44 98:389 99:278 100:21 101:26 102:421 103:1227 104:1734 105:154 107:1770 108:515 109:368 110:52 111:2803 112:1285 113:34 114:36 115:7 116:52 117:1620 118:58 119:83 120:2018 121:35 122:42 123:108 124:65 125:24 126:1 128:610 129:358 130:714 131:1235 132:561 133:218 134:494 135:133 136:721 137:608 138:1045 139:452 140:770 141:421 142:1520 143:880 144:501 145:215 146:670 147:501 148:999 149:768 150:235 151:910 152:790 153:294 154:2396 155:1011 156:2068 157:469 158:671 159:820 160:694 161:710 162:985 163:411 164:731 165:629 166:564 167:704 168:1499 169:201 170:1889 171:105 172:1604 173:767 174:271 175:91 176:632 177:1034 178:643 179:919 180:38 181:2626 182:29 183:1697 184:444 185:3316 186:3499 187:1793 188:1045 189:2044 190:6307 191:580 192:5128 193:1726 194:1109 195:901 196:664 197:681 198:2674 199:2481 200:4559 201:3636 202:1019 203:743 204:2148 205:1808 206:1493 207:1691 208:1613 209:1991 210:342 211:519 212:1013 213:863 214:989 215:43 216:2480 217:552 218:655 219:18 220:26 221:537 222:27 223:1686 End of report