IPv4 R&E Routing Table Report 20:15 GMT Mon 20 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: 294679 Prefixes after maximum aggregation (per Origin AS): 119979 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 151099 Number of IPv4 prefixes with a valid ROA: 151315 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 143150 Total ASes present in the Internet Routing Table: 20352 Prefixes per ASN: 14.48 Origin-only ASes present in the Internet Routing Table: 17498 Origin ASes announcing only one prefix: 7857 Transit ASes present in the Internet Routing Table: 2854 Transit-only ASes present in the Internet Routing Table: 702 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: 229 Number of instances of unregistered ASNs: 258 Number of 32-bit ASNs allocated by the RIRs: 49402 Number of 32-bit ASNs visible in the Routing Table: 8301 Prefixes from 32-bit ASNs in the Routing Table: 35276 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: 110 Number of addresses announced to Internet: 1635206437 Equivalent to 97 /8s, 119 /16s and 69 /24s Percentage of available address space announced: 44.2 Percentage of allocated address space announced: 44.2 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: 95630 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43409 Total APNIC prefixes after maximum aggregation: 8280 APNIC Deaggregation factor: 5.24 Prefixes being announced from the APNIC address blocks: 39920 Unique aggregates announced from the APNIC address blocks: 8277 APNIC Region origin ASes present in the Internet Routing Table: 1188 APNIC Prefixes per ASN: 33.60 APNIC Region origin ASes announcing only one prefix: 481 APNIC Region transit ASes present in the Internet Routing Table: 201 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: 572 Number of APNIC addresses announced to Internet: 180118380 Equivalent to 10 /8s, 188 /16s and 99 /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: 130761 Total ARIN prefixes after maximum aggregation: 66691 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 127968 Unique aggregates announced from the ARIN address blocks: 73084 ARIN Region origin ASes present in the Internet Routing Table: 9064 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 3747 ARIN Region transit ASes present in the Internet Routing Table: 848 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: 2190 Number of ARIN addresses announced to Internet: 1019578409 Equivalent to 60 /8s, 197 /16s and 136 /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: 52105 Total RIPE prefixes after maximum aggregation: 25824 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55361 Unique aggregates announced from the RIPE address blocks: 38279 RIPE Region origin ASes present in the Internet Routing Table: 4526 RIPE Prefixes per ASN: 12.23 RIPE Region origin ASes announcing only one prefix: 1935 RIPE Region transit ASes present in the Internet Routing Table: 718 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: 1948 Number of RIPE addresses announced to Internet: 283616464 Equivalent to 16 /8s, 231 /16s and 164 /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: 58475 Total LACNIC prefixes after maximum aggregation: 16527 LACNIC Deaggregation factor: 3.54 Prefixes being announced from the LACNIC address blocks: 55956 Unique aggregates announced from the LACNIC address blocks: 24277 LACNIC Region origin ASes present in the Internet Routing Table: 4474 LACNIC Prefixes per ASN: 12.51 LACNIC Region origin ASes announcing only one prefix: 1583 LACNIC Region transit ASes present in the Internet Routing Table: 896 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: 3440 Number of LACNIC addresses announced to Internet: 107206336 Equivalent to 6 /8s, 99 /16s and 214 /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: 9700 Total AfriNIC prefixes after maximum aggregation: 2484 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 15364 Unique aggregates announced from the AfriNIC address blocks: 7099 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 55.67 AfriNIC Region origin ASes announcing only one prefix: 111 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: 151 Number of AfriNIC addresses announced to Internet: 44610816 Equivalent to 2 /8s, 168 /16s and 181 /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 13652 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2463 155 428 LCS-AS-AP LARUS Limited, HK 56041 1816 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1715 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 928 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 823 1238 164 ALIBABA-CN-NET Alibaba US Technology Co., 24445 783 497 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 14755 41291 5651 AMAZON-02 - Amazon.com, Inc., US 22773 4771 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2386 195 1097 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1623 4848 256 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1589 1305 733 DNIC-ASBLK-00306-00371 - United States De 7979 1498 97 356 SERVERS-COM - Servers.com, Inc., US 19901 1465 731 669 BRIGHTSPEED - Brightspeed, 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 4943 305 72 ALJAWWALSTC-AS, SA 25019 1485 1334 138 SAUDINETSTC-AS, SA 20940 1287 99 1037 AKAMAI-ASN1, NL 34984 1076 147 749 TELLCOM-AS, TR 8452 931 1841 19 TE-AS TE-AS, EG 3215 907 4864 303 France Telecom - Orange, FR 8376 663 54 29 UNASSIGNED 212238 628 45 558 CDNEXT, GB 35819 572 566 68 MOBILY-AS Etihad Etisalat Company Mobily, 51167 565 113 248 CONTABO, DE 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 7689 2057 817 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1496 206 1116 Telmex Colombia S.A., CO 11664 1435 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1246 371 22 INTEGRATEL PERU S.A.A., PE 26615 1060 2391 99 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 845 140 44 ENTEL CHILE S.A., CL 52468 679 43 242 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 1517 552 27 RAYA-AS, EG 24863 782 124 389 LINKdotNET-AS, EG 37069 771 1100 11 MOBINIL, EG 36935 753 520 37 Vodafone-, EG 36914 556 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 420 921 259 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 14755 41291 5651 AMAZON-02 - Amazon.com, Inc., US 9808 13652 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7689 2057 817 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4771 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2463 155 428 LCS-AS-AP LARUS Limited, HK 36352 2386 195 1097 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 13652 13531 CHINAMOBILE-CN China Mobile Communications Grou 8151 7689 6872 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4771 4410 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3423 3234 CMNET-JIANGSU-AP China Mobile communications co 17561 2463 2035 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1816 1737 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1715 1665 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 /12:162 /13:218 /14:579 /15:1079 /16:7634 /17:3510 /18:4267 /19:7950 /20:13341 /21:16411 /22:29082 /23:30823 /24:179222 /25:64 /26:88 /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 4232 7689 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3052 4771 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2641 14755 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1130 1435 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1032 2386 AS-COLOCROSSING - HostPapa, US 19901 1016 1465 BRIGHTSPEED - Brightspeed, US 6167 979 2134 CELLCO-PART - Verizon Business, US 209 945 1623 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 2:564 3:1005 4:1 5:1176 6:185 7:5 8:626 9:7 11:172 12:845 13:641 14:173 15:400 16:173 17:4 18:915 20:351 21:4 22:188 23:2946 24:787 27:42 28:1 29:19 31:459 32:14 34:9 35:177 36:3372 37:632 38:2648 39:868 40:54 41:1084 42:20 43:211 44:29 45:4403 46:898 47:188 48:65 49:24 50:486 51:528 52:1141 54:282 55:1112 56:11 57:27 58:17 59:30 60:73 61:60 62:632 63:690 64:2250 65:1022 66:2521 67:1241 68:511 69:1263 70:421 71:144 72:749 74:1026 75:288 76:219 77:526 78:558 79:247 80:340 81:420 82:818 83:206 84:369 85:631 86:243 87:234 88:282 89:602 90:118 91:940 92:645 93:932 94:972 95:1268 96:286 97:45 98:472 99:296 100:40 101:27 102:384 103:1110 104:1673 105:155 106:7 107:1779 108:527 109:368 110:114 111:2805 112:1323 113:41 114:33 115:56 116:54 117:1646 118:60 119:75 120:2037 121:36 122:48 123:123 124:71 125:21 126:1 128:514 129:386 130:716 131:1266 132:549 133:214 134:533 135:133 136:713 137:595 138:1069 139:460 140:743 141:455 142:1542 143:880 144:512 145:168 146:680 147:519 148:1029 149:784 150:227 151:922 152:835 153:386 154:2698 155:995 156:1825 157:437 158:681 159:892 160:693 161:711 162:1014 163:432 164:728 165:646 166:552 167:754 168:1458 169:172 170:1884 171:106 172:1579 173:848 174:356 175:128 176:762 177:1118 178:652 179:891 180:39 181:2642 182:25 183:1720 184:465 185:3322 186:3608 187:1845 188:1028 189:2009 190:6248 191:556 192:5158 193:1732 194:1108 195:941 196:679 197:696 198:2674 199:2524 200:4452 201:3603 202:1032 203:773 204:2232 205:1825 206:1551 207:1730 208:1799 209:2085 210:345 211:516 212:1108 213:893 214:959 215:36 216:2559 217:548 218:670 219:18 220:84 221:536 222:28 223:1714 End of report