IPv4 R&E Routing Table Report 20:15 GMT Wed 15 Apr, 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: 289884 Prefixes after maximum aggregation (per Origin AS): 118142 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 147611 Number of IPv4 prefixes with a valid ROA: 149338 Number of IPv4 prefixes with an invalid ROA: 211 Number of IPv4 prefixes with no ROA: 140335 Total ASes present in the Internet Routing Table: 20225 Prefixes per ASN: 14.33 Origin-only ASes present in the Internet Routing Table: 17384 Origin ASes announcing only one prefix: 7815 Transit ASes present in the Internet Routing Table: 2841 Transit-only ASes present in the Internet Routing Table: 704 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: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 211 Number of instances of unregistered ASNs: 240 Number of 32-bit ASNs allocated by the RIRs: 49333 Number of 32-bit ASNs visible in the Routing Table: 8255 Prefixes from 32-bit ASNs in the Routing Table: 34980 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 99 Number of addresses announced to Internet: 1620205861 Equivalent to 96 /8s, 146 /16s and 97 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 94461 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42593 Total APNIC prefixes after maximum aggregation: 7859 APNIC Deaggregation factor: 5.42 Prefixes being announced from the APNIC address blocks: 39067 Unique aggregates announced from the APNIC address blocks: 7605 APNIC Region origin ASes present in the Internet Routing Table: 1188 APNIC Prefixes per ASN: 32.88 APNIC Region origin ASes announcing only one prefix: 480 APNIC Region transit ASes present in the Internet Routing Table: 203 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: 574 Number of APNIC addresses announced to Internet: 168447596 Equivalent to 10 /8s, 10 /16s and 78 /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: 128246 Total ARIN prefixes after maximum aggregation: 65539 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125554 Unique aggregates announced from the ARIN address blocks: 71353 ARIN Region origin ASes present in the Internet Routing Table: 8926 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 3707 ARIN Region transit ASes present in the Internet Routing Table: 838 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: 2150 Number of ARIN addresses announced to Internet: 1017979177 Equivalent to 60 /8s, 173 /16s and 33 /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: 51490 Total RIPE prefixes after maximum aggregation: 25626 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 54759 Unique aggregates announced from the RIPE address blocks: 37457 RIPE Region origin ASes present in the Internet Routing Table: 4519 RIPE Prefixes per ASN: 12.12 RIPE Region origin ASes announcing only one prefix: 1925 RIPE Region transit ASes present in the Internet Routing Table: 704 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1933 Number of RIPE addresses announced to Internet: 283717072 Equivalent to 16 /8s, 233 /16s and 45 /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: 57757 Total LACNIC prefixes after maximum aggregation: 16539 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55218 Unique aggregates announced from the LACNIC address blocks: 24135 LACNIC Region origin ASes present in the Internet Routing Table: 4501 LACNIC Prefixes per ASN: 12.27 LACNIC Region origin ASes announcing only one prefix: 1591 LACNIC Region transit ASes present in the Internet Routing Table: 906 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: 3454 Number of LACNIC addresses announced to Internet: 106424000 Equivalent to 6 /8s, 87 /16s and 230 /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: 9587 Total AfriNIC prefixes after maximum aggregation: 2413 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 15187 Unique aggregates announced from the AfriNIC address blocks: 6983 AfriNIC Region origin ASes present in the Internet Routing Table: 270 AfriNIC Prefixes per ASN: 56.25 AfriNIC Region origin ASes announcing only one prefix: 112 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: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 144 Number of AfriNIC addresses announced to Internet: 43563008 Equivalent to 2 /8s, 152 /16s and 184 /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 13641 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3420 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2452 154 424 LCS-AS-AP LARUS Limited, HK 56041 1810 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 927 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 811 1226 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 782 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14674 41274 5675 AMAZON-02 - Amazon.com, Inc., US 22773 4772 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2385 195 1098 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1627 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1581 1305 725 DNIC-ASBLK-00306-00371 - United States De 19901 1463 728 675 BRIGHTSPEED - Brightspeed, US 20057 1458 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 4972 306 72 ALJAWWALSTC-AS, SA 25019 1485 1334 138 SAUDINETSTC-AS, SA 20940 1261 98 1027 AKAMAI-ASN1, NL 34984 1074 144 745 TELLCOM-AS, TR 8452 927 1841 19 TE-AS TE-AS, EG 3215 905 4832 302 France Telecom - Orange, FR 8376 667 53 30 UNASSIGNED 212238 626 45 556 CDNEXT, GB 51167 565 113 248 CONTABO, DE 5511 532 99 453 OPENTRANSIT, FR 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 6951 1863 810 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1434 277 32 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 1064 2391 99 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 845 140 44 ENTEL CHILE S.A., CL 52468 680 43 241 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 1534 552 27 RAYA-AS, EG 24863 790 126 397 LINKdotNET-AS, EG 37069 763 1100 11 MOBINIL, EG 36935 738 519 28 Vodafone-, EG 36914 555 82 3 KENET-AS, KE 36903 507 235 347 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 430 900 268 ETISALAT-MISR, EG 2018 373 318 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 14674 41274 5675 AMAZON-02 - Amazon.com, Inc., US 9808 13641 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6951 1863 810 UNINET, MX 39891 4972 306 72 ALJAWWALSTC-AS, SA 22773 4772 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3420 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2452 154 424 LCS-AS-AP LARUS Limited, HK 36352 2385 195 1098 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 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 13641 13521 CHINAMOBILE-CN China Mobile Communications Grou 8151 6951 6141 UNINET, MX 39891 4972 4900 ALJAWWALSTC-AS, SA 22773 4772 4411 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3420 3231 CMNET-JIANGSU-AP China Mobile communications co 17561 2452 2028 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1810 1731 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 23.172.88.0/24 Origin: 399756 TFC-BASE-001 - The Fiber.Company, LLC, Z 23.172.88.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /13:218 /14:581 /15:1085 /16:7457 /17:3493 /18:4238 /19:7721 /20:12773 /21:16069 /22:28656 /23:30393 /24:176646 /25:63 /26:83 /27:48 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3907 6951 UNINET, MX 39891 3656 4972 ALJAWWALSTC-AS, SA 22773 3053 4772 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2644 14674 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1129 1434 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2385 AS-COLOCROSSING - HostPapa, US 19901 1021 1463 BRIGHTSPEED - Brightspeed, US 6167 979 2134 CELLCO-PART - Verizon Business, US 209 945 1627 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:541 3:1004 4:1 5:1170 6:184 7:5 8:618 9:7 11:172 12:845 13:634 14:121 15:399 16:153 17:3 18:905 20:351 21:4 22:188 23:2887 24:785 27:19 28:1 29:19 31:432 32:13 34:9 35:177 36:3364 37:639 38:2600 39:866 40:53 41:1081 42:20 43:214 44:26 45:4434 46:891 47:186 48:65 49:23 50:478 51:527 52:1104 54:275 55:1114 56:11 57:25 58:16 59:30 60:13 61:54 62:631 63:687 64:2225 65:1005 66:2465 67:1216 68:494 69:1184 70:422 71:142 72:736 74:987 75:264 76:219 77:524 78:563 79:250 80:364 81:423 82:839 83:206 84:350 85:623 86:245 87:231 88:284 89:604 90:118 91:928 92:651 93:940 94:965 95:1264 96:271 97:44 98:471 99:290 100:35 101:26 102:374 103:1103 104:1631 105:140 106:7 107:1773 108:524 109:367 110:62 111:2802 112:1321 113:34 114:32 115:9 116:54 117:1642 118:58 119:77 120:2037 121:36 122:46 123:105 124:60 125:17 126:1 128:501 129:384 130:713 131:1261 132:547 133:214 134:523 135:133 136:716 137:596 138:1062 139:457 140:748 141:466 142:1538 143:882 144:510 145:168 146:667 147:497 148:1014 149:768 150:226 151:931 152:837 153:384 154:2656 155:986 156:1802 157:424 158:677 159:864 160:684 161:699 162:988 163:433 164:726 165:637 166:553 167:722 168:1447 169:165 170:1846 171:106 172:1396 173:826 174:354 175:127 176:754 177:1141 178:651 179:884 180:37 181:2619 182:23 183:1722 184:450 185:3313 186:3621 187:1746 188:1029 189:1917 190:6248 191:570 192:5102 193:1719 194:1124 195:947 196:669 197:693 198:2638 199:2477 200:4337 201:3575 202:1013 203:706 204:2191 205:1812 206:1493 207:1706 208:1607 209:2024 210:353 211:514 212:1116 213:906 214:959 215:36 216:2482 217:548 218:670 219:18 220:27 221:536 222:30 223:1706 End of report