IPv4 R&E Routing Table Report 20:15 GMT Thu 26 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: 289741 Prefixes after maximum aggregation (per Origin AS): 117402 Deaggregation factor: 2.47 Unique aggregates announced (without unneeded subnets): 147104 Number of IPv4 prefixes with a valid ROA: 148271 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141256 Total ASes present in the Internet Routing Table: 20372 Prefixes per ASN: 14.22 Origin-only ASes present in the Internet Routing Table: 17492 Origin ASes announcing only one prefix: 7851 Transit ASes present in the Internet Routing Table: 2880 Transit-only ASes present in the Internet Routing Table: 734 Paths with bogon ASNs present in the IPv4 Routing Table: 12 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: 246 Number of instances of unregistered ASNs: 275 Number of 32-bit ASNs allocated by the RIRs: 49124 Number of 32-bit ASNs visible in the Routing Table: 8331 Prefixes from 32-bit ASNs in the Routing Table: 34778 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: 93 Number of addresses announced to Internet: 1619229861 Equivalent to 96 /8s, 131 /16s and 124 /24s Percentage of available address space announced: 43.7 Percentage of allocated address space announced: 43.7 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: 93548 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42568 Total APNIC prefixes after maximum aggregation: 7973 APNIC Deaggregation factor: 5.34 Prefixes being announced from the APNIC address blocks: 39217 Unique aggregates announced from the APNIC address blocks: 7763 APNIC Region origin ASes present in the Internet Routing Table: 1264 APNIC Prefixes per ASN: 31.03 APNIC Region origin ASes announcing only one prefix: 523 APNIC Region transit ASes present in the Internet Routing Table: 221 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 619 Number of APNIC addresses announced to Internet: 168997484 Equivalent to 10 /8s, 18 /16s and 178 /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: 128320 Total ARIN prefixes after maximum aggregation: 65187 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125327 Unique aggregates announced from the ARIN address blocks: 71188 ARIN Region origin ASes present in the Internet Routing Table: 8977 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 3709 ARIN Region transit ASes present in the Internet Routing Table: 845 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: 2160 Number of ARIN addresses announced to Internet: 1015343913 Equivalent to 60 /8s, 132 /16s and 235 /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, 393216-404380 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: 51076 Total RIPE prefixes after maximum aggregation: 25372 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 54172 Unique aggregates announced from the RIPE address blocks: 37341 RIPE Region origin ASes present in the Internet Routing Table: 4490 RIPE Prefixes per ASN: 12.07 RIPE Region origin ASes announcing only one prefix: 1926 RIPE Region transit ASes present in the Internet Routing Table: 709 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1927 Number of RIPE addresses announced to Internet: 282070352 Equivalent to 16 /8s, 208 /16s and 13 /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: 57917 Total LACNIC prefixes after maximum aggregation: 16583 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55664 Unique aggregates announced from the LACNIC address blocks: 24339 LACNIC Region origin ASes present in the Internet Routing Table: 4508 LACNIC Prefixes per ASN: 12.35 LACNIC Region origin ASes announcing only one prefix: 1585 LACNIC Region transit ASes present in the Internet Routing Table: 904 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: 3473 Number of LACNIC addresses announced to Internet: 107246784 Equivalent to 6 /8s, 100 /16s and 116 /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: 9614 Total AfriNIC prefixes after maximum aggregation: 2091 AfriNIC Deaggregation factor: 4.60 Prefixes being announced from the AfriNIC address blocks: 15268 Unique aggregates announced from the AfriNIC address blocks: 6389 AfriNIC Region origin ASes present in the Internet Routing Table: 284 AfriNIC Prefixes per ASN: 53.76 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 76 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 152 Number of AfriNIC addresses announced to Internet: 45430016 Equivalent to 2 /8s, 181 /16s and 53 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13587 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2363 149 474 LCS-AS-AP LARUS Limited, HK 56041 1805 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1713 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 926 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 713 1210 160 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 14558 41224 5609 AMAZON-02 - Amazon.com, Inc., US 22773 4779 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2514 207 985 AS-COLOCROSSING - HostPapa, US 6167 2082 4304 583 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1607 1322 737 DNIC-ASBLK-00306-00371 - United States De 19901 1473 739 682 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 4903 302 73 ALJAWWALSTC-AS, SA 25019 1297 1335 144 SAUDINETSTC-AS, SA 20940 1254 97 1020 AKAMAI-ASN1, NL 34984 978 145 729 TELLCOM-AS, TR 8452 936 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 663 54 30 UNASSIGNED 212238 591 42 525 CDNEXT, GB 51167 565 113 248 CONTABO, DE 35819 554 554 88 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 7342 1941 800 UNINET, MX 11830 1959 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1449 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1054 2393 95 TIM SA, BR 18881 977 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 685 43 205 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 1545 524 27 RAYA-AS, EG 24863 855 389 16 LINKdotNET-AS, EG 37069 755 1100 11 MOBINIL, EG 36914 551 82 3 KENET-AS, KE 36935 546 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 487 78 20 ORANGE-COTE-IVOIRE, CI 36992 434 901 264 ETISALAT-MISR, EG 2018 374 318 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 14558 41224 5609 AMAZON-02 - Amazon.com, Inc., US 9808 13587 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7342 1941 800 UNINET, MX 39891 4903 302 73 ALJAWWALSTC-AS, SA 22773 4779 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2514 207 985 AS-COLOCROSSING - HostPapa, US 17561 2363 149 474 LCS-AS-AP LARUS Limited, HK 6167 2082 4304 583 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 13587 13467 CHINAMOBILE-CN China Mobile Communications Grou 8151 7342 6542 UNINET, MX 39891 4903 4830 ALJAWWALSTC-AS, SA 22773 4779 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3415 3226 CMNET-JIANGSU-AP China Mobile communications co 11830 1959 1894 Instituto Costarricense de Electricidad y Telec 17561 2363 1889 LCS-AS-AP LARUS Limited, HK 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1713 1663 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 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 26295 UNALLOCATED 12.110.210.0/23 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 /15:1077 /16:7442 /17:3500 /18:4195 /19:7743 /20:13319 /21:16124 /22:28777 /23:30027 /24:176180 /25:66 /26:83 /27:52 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4072 7342 UNINET, MX 39891 3651 4903 ALJAWWALSTC-AS, SA 22773 3052 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2618 14558 AMAZON-02 - Amazon.com, Inc., US 11830 1668 1959 Instituto Costarricense de Electricidad y Telecom., CR 11664 1138 1449 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1073 2514 AS-COLOCROSSING - HostPapa, US 19901 1026 1473 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 6167 929 2082 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:73 2:516 3:999 4:1 5:1318 6:183 7:5 8:627 9:7 11:172 12:856 13:622 14:120 15:400 16:143 17:3 18:911 20:364 21:4 22:188 23:2920 24:860 27:18 28:2 29:19 31:457 32:13 34:9 35:183 36:3345 37:614 38:2558 39:861 40:47 41:1120 42:21 43:210 44:26 45:4510 46:904 47:176 48:39 49:21 50:490 51:465 52:1105 54:270 55:1119 56:11 57:27 58:41 59:33 60:14 61:58 62:621 63:696 64:2212 65:999 66:2410 67:1110 68:489 69:1211 70:425 71:142 72:701 74:993 75:266 76:235 77:505 78:553 79:249 80:326 81:418 82:819 83:200 84:344 85:597 86:237 87:193 88:280 89:549 90:98 91:920 92:674 93:875 94:993 95:1292 96:271 97:44 98:380 99:287 100:22 101:26 102:399 103:1188 104:1635 105:157 107:1784 108:512 109:360 110:49 111:2796 112:1305 113:33 114:34 115:7 116:56 117:1636 118:66 119:96 120:2028 121:36 122:43 123:106 124:64 125:23 126:1 128:574 129:372 130:714 131:1262 132:556 133:217 134:504 135:136 136:714 137:600 138:1036 139:458 140:742 141:439 142:1522 143:861 144:510 145:181 146:671 147:505 148:997 149:735 150:232 151:925 152:833 153:314 154:2282 155:976 156:2092 157:467 158:664 159:838 160:683 161:701 162:960 163:426 164:733 165:648 166:556 167:717 168:1471 169:206 170:1868 171:104 172:1407 173:811 174:269 175:107 176:621 177:1110 178:638 179:919 180:36 181:2575 182:26 183:1717 184:443 185:3239 186:3564 187:1763 188:1031 189:2003 190:6232 191:592 192:5164 193:1707 194:1093 195:906 196:675 197:685 198:2688 199:2489 200:4399 201:3670 202:1036 203:730 204:2176 205:1843 206:1549 207:1679 208:1634 209:2059 210:316 211:512 212:1001 213:873 214:967 215:36 216:2519 217:540 218:665 219:18 220:28 221:537 222:31 223:1696 End of report