IPv4 R&E Routing Table Report 20:15 GMT Tue 05 May, 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: 292498 Prefixes after maximum aggregation (per Origin AS): 118943 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149383 Number of IPv4 prefixes with a valid ROA: 151880 Number of IPv4 prefixes with an invalid ROA: 218 Number of IPv4 prefixes with no ROA: 140400 Total ASes present in the Internet Routing Table: 20153 Prefixes per ASN: 14.51 Origin-only ASes present in the Internet Routing Table: 17326 Origin ASes announcing only one prefix: 7742 Transit ASes present in the Internet Routing Table: 2827 Transit-only ASes present in the Internet Routing Table: 692 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: 215 Number of instances of unregistered ASNs: 244 Number of 32-bit ASNs allocated by the RIRs: 49618 Number of 32-bit ASNs visible in the Routing Table: 8282 Prefixes from 32-bit ASNs in the Routing Table: 35657 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: 86 Number of addresses announced to Internet: 1622439973 Equivalent to 96 /8s, 180 /16s and 120 /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: 95092 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42950 Total APNIC prefixes after maximum aggregation: 7981 APNIC Deaggregation factor: 5.38 Prefixes being announced from the APNIC address blocks: 39331 Unique aggregates announced from the APNIC address blocks: 7755 APNIC Region origin ASes present in the Internet Routing Table: 1190 APNIC Prefixes per ASN: 33.05 APNIC Region origin ASes announcing only one prefix: 463 APNIC Region transit ASes present in the Internet Routing Table: 198 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 565 Number of APNIC addresses announced to Internet: 168616812 Equivalent to 10 /8s, 12 /16s and 227 /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: 128752 Total ARIN prefixes after maximum aggregation: 65561 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126116 Unique aggregates announced from the ARIN address blocks: 71470 ARIN Region origin ASes present in the Internet Routing Table: 8932 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 3701 ARIN Region transit ASes present in the Internet Routing Table: 840 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: 2166 Number of ARIN addresses announced to Internet: 1020866601 Equivalent to 60 /8s, 217 /16s and 48 /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: 52617 Total RIPE prefixes after maximum aggregation: 26056 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55753 Unique aggregates announced from the RIPE address blocks: 38467 RIPE Region origin ASes present in the Internet Routing Table: 4476 RIPE Prefixes per ASN: 12.46 RIPE Region origin ASes announcing only one prefix: 1893 RIPE Region transit ASes present in the Internet Routing Table: 702 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: 1943 Number of RIPE addresses announced to Internet: 283467984 Equivalent to 16 /8s, 229 /16s and 96 /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: 58404 Total LACNIC prefixes after maximum aggregation: 16545 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55738 Unique aggregates announced from the LACNIC address blocks: 24287 LACNIC Region origin ASes present in the Internet Routing Table: 4474 LACNIC Prefixes per ASN: 12.46 LACNIC Region origin ASes announcing only one prefix: 1576 LACNIC Region transit ASes present in the Internet Routing Table: 894 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: 3457 Number of LACNIC addresses announced to Internet: 106556352 Equivalent to 6 /8s, 89 /16s and 235 /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: 9560 Total AfriNIC prefixes after maximum aggregation: 2636 AfriNIC Deaggregation factor: 3.63 Prefixes being announced from the AfriNIC address blocks: 15474 Unique aggregates announced from the AfriNIC address blocks: 7329 AfriNIC Region origin ASes present in the Internet Routing Table: 274 AfriNIC Prefixes per ASN: 56.47 AfriNIC Region origin ASes announcing only one prefix: 109 AfriNIC Region transit ASes present in the Internet Routing Table: 77 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: 151 Number of AfriNIC addresses announced to Internet: 42864384 Equivalent to 2 /8s, 142 /16s and 15 /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 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2525 159 462 LCS-AS-AP LARUS Limited, HK 56041 1820 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1073 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 833 1226 171 ALIBABA-CN-NET Alibaba US Technology Co., 24445 788 497 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 14928 41293 5689 AMAZON-02 - Amazon.com, Inc., US 22773 4757 3098 351 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2335 192 1112 AS-COLOCROSSING - HostPapa, US 6167 2148 4361 560 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1620 4848 253 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1510 1245 725 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1453 728 660 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 4976 307 73 ALJAWWALSTC-AS, SA 25019 1503 1384 141 SAUDINETSTC-AS, SA 20940 1236 95 1014 AKAMAI-ASN1, NL 8452 1162 1841 19 TE-AS TE-AS, EG 34984 1017 139 727 TELLCOM-AS, TR 3215 912 4894 332 France Telecom - Orange, FR 212238 797 58 705 CDNEXT, GB 8376 672 53 30 UNASSIGNED 35819 591 581 78 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 7662 1917 790 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1446 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1228 379 23 INTEGRATEL PERU S.A.A., PE 26615 1063 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 687 43 235 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 1321 553 29 RAYA-AS, EG 37069 747 1036 27 MOBINIL, EG 36935 732 167 173 Vodafone-, EG 24863 644 92 327 LINKdotNET-AS, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36914 556 82 3 KENET-AS, KE 36992 532 778 349 ETISALAT-MISR, EG 36903 503 233 345 MT-MPLS, MA 2018 373 318 69 TENET-1, ZA 37693 349 599 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 14928 41293 5689 AMAZON-02 - Amazon.com, Inc., US 9808 13671 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7662 1917 790 UNINET, MX 39891 4976 307 73 ALJAWWALSTC-AS, SA 22773 4757 3098 351 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3473 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 17561 2525 159 462 LCS-AS-AP LARUS Limited, HK 36352 2335 192 1112 AS-COLOCROSSING - HostPapa, US 6167 2148 4361 560 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 13671 13550 CHINAMOBILE-CN China Mobile Communications Grou 8151 7662 6872 UNINET, MX 39891 4976 4903 ALJAWWALSTC-AS, SA 22773 4757 4406 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3473 3284 CMNET-JIANGSU-AP China Mobile communications co 17561 2525 2063 LCS-AS-AP LARUS Limited, HK 11830 1936 1871 Instituto Costarricense de Electricidad y Telec 56041 1820 1741 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 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 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 23.176.104.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.176.104.0/24 Transit: 36352 AS-COLOCROSSING - HostPapa, 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 /11:54 /12:158 /13:214 /14:578 /15:1083 /16:7484 /17:3505 /18:4291 /19:7797 /20:13323 /21:16276 /22:28647 /23:30371 /24:178377 /25:64 /26:83 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4315 7662 UNINET, MX 39891 3660 4976 ALJAWWALSTC-AS, SA 22773 3055 4757 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2674 14928 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1936 Instituto Costarricense de Electricidad y Telecom., CR 11664 1142 1446 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1003 1453 BRIGHTSPEED - Brightspeed, US 36352 999 2335 AS-COLOCROSSING - HostPapa, US 6167 985 2148 CELLCO-PART - Verizon Business, US 209 944 1620 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) ---------------------------------------------- 1:79 2:558 3:1005 4:1 5:1172 6:186 7:5 8:619 9:7 11:172 12:840 13:650 14:125 15:403 16:182 17:3 18:914 20:369 21:4 22:188 23:2980 24:793 27:22 28:1 29:19 31:454 32:13 34:12 35:178 36:3431 37:650 38:2598 39:877 40:60 41:1101 42:20 43:218 44:27 45:4352 46:904 47:187 48:67 49:23 50:476 51:541 52:1121 54:273 55:1209 56:11 57:30 58:17 59:27 60:14 61:56 62:655 63:679 64:2236 65:1023 66:2476 67:1196 68:498 69:1193 70:421 71:140 72:743 74:1029 75:258 76:222 77:520 78:563 79:251 80:357 81:422 82:829 83:215 84:395 85:633 86:249 87:243 88:279 89:629 90:127 91:930 92:624 93:934 94:974 95:1267 96:275 97:46 98:468 99:295 100:40 101:26 102:418 103:1141 104:1644 105:155 106:7 107:1770 108:526 109:376 110:62 111:2813 112:1327 113:40 114:32 115:15 116:53 117:1640 118:54 119:77 120:2047 121:37 122:46 123:106 124:59 125:19 126:1 128:508 129:387 130:721 131:1270 132:550 133:214 134:531 135:119 136:680 137:593 138:1080 139:457 140:747 141:457 142:1554 143:845 144:523 145:171 146:674 147:499 148:1013 149:823 150:217 151:915 152:855 153:541 154:2619 155:969 156:1917 157:431 158:694 159:892 160:771 161:715 162:976 163:431 164:727 165:638 166:557 167:721 168:1469 169:165 170:1870 171:104 172:1459 173:809 174:353 175:124 176:738 177:1181 178:649 179:913 180:37 181:2589 182:26 183:1731 184:445 185:3327 186:3704 187:1834 188:1057 189:2012 190:6174 191:643 192:5087 193:1705 194:1132 195:938 196:672 197:701 198:2644 199:2477 200:4427 201:3611 202:1012 203:718 204:2172 205:1834 206:1520 207:1710 208:1627 209:2019 210:353 211:518 212:1088 213:875 214:960 215:36 216:2524 217:542 218:669 219:18 220:27 221:536 222:28 223:1713 End of report