IPv4 R&E Routing Table Report 20:15 GMT Wed 04 Mar, 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: 290037 Prefixes after maximum aggregation (per Origin AS): 117930 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 147545 Number of IPv4 prefixes with a valid ROA: 148655 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 141167 Total ASes present in the Internet Routing Table: 20305 Prefixes per ASN: 14.28 Origin-only ASes present in the Internet Routing Table: 17451 Origin ASes announcing only one prefix: 7830 Transit ASes present in the Internet Routing Table: 2854 Transit-only ASes present in the Internet Routing Table: 721 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 256 Number of instances of unregistered ASNs: 285 Number of 32-bit ASNs allocated by the RIRs: 48930 Number of 32-bit ASNs visible in the Routing Table: 8235 Prefixes from 32-bit ASNs in the Routing Table: 34851 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: 97 Number of addresses announced to Internet: 1628033989 Equivalent to 97 /8s, 9 /16s and 211 /24s Percentage of available address space announced: 44.0 Percentage of allocated address space announced: 44.0 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: 93100 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42846 Total APNIC prefixes after maximum aggregation: 8164 APNIC Deaggregation factor: 5.25 Prefixes being announced from the APNIC address blocks: 39256 Unique aggregates announced from the APNIC address blocks: 8031 APNIC Region origin ASes present in the Internet Routing Table: 1255 APNIC Prefixes per ASN: 31.28 APNIC Region origin ASes announcing only one prefix: 522 APNIC Region transit ASes present in the Internet Routing Table: 218 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 600 Number of APNIC addresses announced to Internet: 171244652 Equivalent to 10 /8s, 52 /16s and 252 /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: 128883 Total ARIN prefixes after maximum aggregation: 65359 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 126066 Unique aggregates announced from the ARIN address blocks: 71447 ARIN Region origin ASes present in the Internet Routing Table: 9010 ARIN Prefixes per ASN: 13.99 ARIN Region origin ASes announcing only one prefix: 3729 ARIN Region transit ASes present in the Internet Routing Table: 859 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: 2153 Number of ARIN addresses announced to Internet: 1022168361 Equivalent to 60 /8s, 237 /16s and 13 /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: 51113 Total RIPE prefixes after maximum aggregation: 25762 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54168 Unique aggregates announced from the RIPE address blocks: 37276 RIPE Region origin ASes present in the Internet Routing Table: 4452 RIPE Prefixes per ASN: 12.17 RIPE Region origin ASes announcing only one prefix: 1890 RIPE Region transit ASes present in the Internet Routing Table: 694 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1886 Number of RIPE addresses announced to Internet: 282282448 Equivalent to 16 /8s, 211 /16s and 73 /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: 57183 Total LACNIC prefixes after maximum aggregation: 16448 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55020 Unique aggregates announced from the LACNIC address blocks: 24087 LACNIC Region origin ASes present in the Internet Routing Table: 4484 LACNIC Prefixes per ASN: 12.27 LACNIC Region origin ASes announcing only one prefix: 1587 LACNIC Region transit ASes present in the Internet Routing Table: 881 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3452 Number of LACNIC addresses announced to Internet: 107081056 Equivalent to 6 /8s, 97 /16s and 237 /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: 9756 Total AfriNIC prefixes after maximum aggregation: 2003 AfriNIC Deaggregation factor: 4.87 Prefixes being announced from the AfriNIC address blocks: 15430 Unique aggregates announced from the AfriNIC address blocks: 6617 AfriNIC Region origin ASes present in the Internet Routing Table: 270 AfriNIC Prefixes per ASN: 57.15 AfriNIC Region origin ASes announcing only one prefix: 102 AfriNIC Region transit ASes present in the Internet Routing Table: 77 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: 144 Number of AfriNIC addresses announced to Internet: 45183744 Equivalent to 2 /8s, 177 /16s and 115 /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 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2342 147 485 LCS-AS-AP LARUS Limited, HK 56041 1797 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1716 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 693 1205 148 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 14433 41237 5565 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3103 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2374 194 1092 AS-COLOCROSSING - HostPapa, US 6167 2016 4259 564 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1632 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1621 1343 744 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 1281 99 1036 AKAMAI-ASN1, NL 25019 1279 1335 144 SAUDINETSTC-AS, SA 34984 983 145 731 TELLCOM-AS, TR 3215 900 4820 301 France Telecom - Orange, FR 8452 889 1841 21 TE-AS TE-AS, EG 212238 734 53 647 CDNEXT, GB 8376 670 54 31 Jordan Data Communications, JO 51167 565 113 248 CONTABO, DE 35819 544 545 84 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 7278 1920 796 UNINET, MX 11830 1954 369 65 Instituto Costarricense de Electricidad y 10620 1525 212 1133 Telmex Colombia S.A., CO 11664 1442 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1247 371 22 INTEGRATEL PERU S.A.A., PE 26615 1052 2475 94 TIM SA, BR 18881 957 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 684 43 203 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 1524 524 27 RAYA-AS, EG 37069 1095 1100 11 MOBINIL, EG 24863 854 389 16 LINKdotNET-AS, EG 36914 548 82 3 KENET-AS, KE 36935 542 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 36992 436 895 263 ETISALAT-MISR, EG 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 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 14433 41237 5565 AMAZON-02 - Amazon.com, Inc., US 9808 13541 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7278 1920 796 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4781 3103 369 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3405 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3142 54728 2393 DNIC-AS-00749 - United States Department 36352 2374 194 1092 AS-COLOCROSSING - HostPapa, US 17561 2342 147 485 LCS-AS-AP LARUS Limited, HK 6167 2016 4259 564 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 13541 13421 CHINAMOBILE-CN China Mobile Communications Grou 8151 7278 6482 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4781 4412 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3405 3216 CMNET-JIANGSU-AP China Mobile communications co 11830 1954 1889 Instituto Costarricense de Electricidad y Telec 17561 2342 1857 LCS-AS-AP LARUS Limited, HK 56041 1797 1718 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1716 1666 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 /11:56 /12:160 /13:219 /14:582 /15:1078 /16:7530 /17:3551 /18:4243 /19:7769 /20:13575 /21:15966 /22:28876 /23:30151 /24:175935 /25:67 /26:82 /27:51 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4014 7278 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3049 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2593 14433 AMAZON-02 - Amazon.com, Inc., US 11830 1662 1954 Instituto Costarricense de Electricidad y Telecom., CR 11664 1131 1442 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1030 1475 BRIGHTSPEED - Brightspeed, US 36352 1030 2374 AS-COLOCROSSING - HostPapa, US 209 949 1632 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 936 1525 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 2:515 3:978 4:5 5:1161 6:181 7:5 8:625 9:7 11:172 12:857 13:594 14:127 15:399 16:152 17:3 18:911 20:341 21:4 22:188 23:2945 24:677 27:22 29:19 31:462 32:12 34:11 35:185 36:3351 37:629 38:2467 39:852 40:230 41:1058 42:22 43:215 44:30 45:4615 46:903 47:164 48:29 49:21 50:498 51:517 52:1088 54:271 55:1122 56:11 57:32 58:48 59:34 60:16 61:52 62:600 63:701 64:2218 65:980 66:2373 67:1112 68:496 69:1233 70:428 71:149 72:713 74:1003 75:271 76:232 77:449 78:557 79:250 80:326 81:414 82:799 83:202 84:335 85:610 86:252 87:193 88:277 89:559 90:103 91:921 92:673 93:886 94:983 95:1270 96:282 97:53 98:389 99:288 100:21 101:27 102:429 103:1218 104:1738 105:136 107:1757 108:497 109:366 110:52 111:2801 112:1274 113:34 114:38 115:7 116:53 117:1620 118:59 119:87 120:2018 121:34 122:42 123:107 124:60 125:24 126:1 128:604 129:343 130:723 131:1223 132:557 133:217 134:495 135:133 136:727 137:606 138:1022 139:457 140:769 141:420 142:1455 143:847 144:505 145:215 146:671 147:552 148:1018 149:775 150:238 151:908 152:794 153:297 154:2412 155:1011 156:2089 157:470 158:655 159:813 160:659 161:712 162:1012 163:416 164:739 165:630 166:570 167:708 168:1494 169:197 170:1900 171:104 172:1557 173:807 174:273 175:89 176:623 177:963 178:629 179:891 180:37 181:2625 182:28 183:1697 184:447 185:3274 186:3516 187:1731 188:1043 189:2013 190:6281 191:587 192:5073 193:1723 194:1099 195:897 196:685 197:686 198:2664 199:2489 200:4404 201:3588 202:1021 203:752 204:2174 205:1814 206:1534 207:1708 208:1615 209:2044 210:349 211:519 212:1011 213:865 214:968 215:35 216:2460 217:547 218:655 219:18 220:26 221:537 222:30 223:1687 End of report