IPv4 R&E Routing Table Report 20:15 GMT Sun 29 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: 284983 Prefixes after maximum aggregation (per Origin AS): 115710 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146472 Number of IPv4 prefixes with a valid ROA: 148652 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 136118 Total ASes present in the Internet Routing Table: 20324 Prefixes per ASN: 14.02 Origin-only ASes present in the Internet Routing Table: 17441 Origin ASes announcing only one prefix: 7837 Transit ASes present in the Internet Routing Table: 2883 Transit-only ASes present in the Internet Routing Table: 729 Paths with bogon ASNs present in the IPv4 Routing Table: 6 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 244 Number of instances of unregistered ASNs: 245 Number of 32-bit ASNs allocated by the RIRs: 49175 Number of 32-bit ASNs visible in the Routing Table: 8359 Prefixes from 32-bit ASNs in the Routing Table: 34852 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 93 Number of addresses announced to Internet: 1614849445 Equivalent to 96 /8s, 64 /16s and 165 /24s Percentage of available address space announced: 43.6 Percentage of allocated address space announced: 43.6 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: 93676 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42606 Total APNIC prefixes after maximum aggregation: 7962 APNIC Deaggregation factor: 5.35 Prefixes being announced from the APNIC address blocks: 39220 Unique aggregates announced from the APNIC address blocks: 7759 APNIC Region origin ASes present in the Internet Routing Table: 1243 APNIC Prefixes per ASN: 31.55 APNIC Region origin ASes announcing only one prefix: 506 APNIC Region transit ASes present in the Internet Routing Table: 219 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: 608 Number of APNIC addresses announced to Internet: 168987244 Equivalent to 10 /8s, 18 /16s and 138 /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: 123164 Total ARIN prefixes after maximum aggregation: 63356 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 120242 Unique aggregates announced from the ARIN address blocks: 70286 ARIN Region origin ASes present in the Internet Routing Table: 8916 ARIN Prefixes per ASN: 13.49 ARIN Region origin ASes announcing only one prefix: 3684 ARIN Region transit ASes present in the Internet Routing Table: 841 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2163 Number of ARIN addresses announced to Internet: 1010716201 Equivalent to 60 /8s, 62 /16s and 78 /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: 51240 Total RIPE prefixes after maximum aggregation: 25534 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 54362 Unique aggregates announced from the RIPE address blocks: 37568 RIPE Region origin ASes present in the Internet Routing Table: 4497 RIPE Prefixes per ASN: 12.09 RIPE Region origin ASes announcing only one prefix: 1930 RIPE Region transit ASes present in the Internet Routing Table: 709 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: 1938 Number of RIPE addresses announced to Internet: 282362960 Equivalent to 16 /8s, 212 /16s and 132 /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: 58177 Total LACNIC prefixes after maximum aggregation: 16576 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55803 Unique aggregates announced from the LACNIC address blocks: 24258 LACNIC Region origin ASes present in the Internet Routing Table: 4538 LACNIC Prefixes per ASN: 12.30 LACNIC Region origin ASes announcing only one prefix: 1604 LACNIC Region transit ASes present in the Internet Routing Table: 914 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: 3500 Number of LACNIC addresses announced to Internet: 107270080 Equivalent to 6 /8s, 100 /16s and 207 /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: 9552 Total AfriNIC prefixes after maximum aggregation: 2083 AfriNIC Deaggregation factor: 4.59 Prefixes being announced from the AfriNIC address blocks: 15263 Unique aggregates announced from the AfriNIC address blocks: 6517 AfriNIC Region origin ASes present in the Internet Routing Table: 285 AfriNIC Prefixes per ASN: 53.55 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 75 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: 150 Number of AfriNIC addresses announced to Internet: 45371648 Equivalent to 2 /8s, 180 /16s and 81 /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 13589 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2395 151 476 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 726 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 14534 41221 5591 AMAZON-02 - Amazon.com, Inc., US 22773 4777 3101 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3147 54745 2398 DNIC-AS-00749 - United States Department 36352 2480 205 1041 AS-COLOCROSSING - HostPapa, US 6167 2084 4309 585 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 19901 1474 739 683 BRIGHTSPEED - Brightspeed, US 20057 1457 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 14618 1266 4878 967 AMAZON-AES - Amazon.com, Inc., 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 4904 302 73 ALJAWWALSTC-AS, SA 25019 1294 1335 142 SAUDINETSTC-AS, SA 20940 1256 97 1021 AKAMAI-ASN1, NL 34984 1019 149 750 TELLCOM-AS, TR 8452 942 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 659 54 30 UNASSIGNED 212238 594 42 528 CDNEXT, GB 51167 565 113 248 CONTABO, DE 35819 552 553 87 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 7346 1941 801 UNINET, MX 11830 1959 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1457 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1242 371 22 INTEGRATEL PERU S.A.A., PE 26615 1054 2393 95 TIM SA, BR 18881 979 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 686 43 206 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 1518 524 27 RAYA-AS, EG 24863 861 389 16 LINKdotNET-AS, EG 37069 747 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 14534 41221 5591 AMAZON-02 - Amazon.com, Inc., US 9808 13589 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7346 1941 801 UNINET, MX 39891 4904 302 73 ALJAWWALSTC-AS, SA 22773 4777 3101 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3147 54745 2398 DNIC-AS-00749 - United States Department 36352 2480 205 1041 AS-COLOCROSSING - HostPapa, US 17561 2395 151 476 LCS-AS-AP LARUS Limited, HK 6167 2084 4309 585 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 13589 13469 CHINAMOBILE-CN China Mobile Communications Grou 8151 7346 6545 UNINET, MX 39891 4904 4831 ALJAWWALSTC-AS, SA 22773 4777 4414 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3415 3226 CMNET-JIANGSU-AP China Mobile communications co 17561 2395 1919 LCS-AS-AP LARUS Limited, HK 11830 1959 1894 Instituto Costarricense de Electricidad y Telec 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 /12:158 /13:216 /14:579 /15:1072 /16:7282 /17:3489 /18:4172 /19:7670 /20:13049 /21:15855 /22:28428 /23:29066 /24:173547 /25:65 /26:83 /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 4075 7346 UNINET, MX 39891 3652 4904 ALJAWWALSTC-AS, SA 22773 3051 4777 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2612 14534 AMAZON-02 - Amazon.com, Inc., US 11830 1668 1959 Instituto Costarricense de Electricidad y Telecom., CR 11664 1147 1457 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1039 2480 AS-COLOCROSSING - HostPapa, US 19901 1026 1474 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 6167 930 2084 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 2:523 3:997 4:1 5:1330 6:71 7:5 8:622 9:7 11:172 12:856 13:623 14:121 15:400 16:143 17:3 18:904 20:366 21:4 22:188 23:2929 24:856 27:18 28:1 29:19 31:459 32:13 34:9 35:183 36:3346 37:634 38:2563 39:862 40:47 41:1098 42:20 43:214 44:26 45:4561 46:903 47:176 48:45 49:21 50:491 51:461 52:1097 54:265 55:636 56:11 57:28 58:41 59:34 60:14 61:59 62:618 63:690 64:2206 65:999 66:2413 67:1125 68:490 69:1194 70:423 71:142 72:712 74:999 75:266 76:235 77:520 78:554 79:248 80:327 81:421 82:835 83:192 84:345 85:595 86:236 87:193 88:280 89:603 90:98 91:898 92:667 93:930 94:943 95:1292 96:277 97:44 98:378 99:288 100:22 101:25 102:389 103:1173 104:1639 105:157 107:1754 108:523 109:357 110:49 111:2798 112:1312 113:33 114:34 115:8 116:56 117:1636 118:66 119:97 120:2028 121:36 122:43 123:106 124:64 125:21 126:1 128:525 129:368 130:712 131:1044 132:374 133:217 134:480 135:135 136:622 137:459 138:974 139:346 140:691 141:436 142:1523 143:785 144:378 145:182 146:667 147:488 148:1005 149:746 150:201 151:926 152:834 153:288 154:2399 155:908 156:2081 157:467 158:599 159:832 160:657 161:698 162:982 163:428 164:602 165:649 166:555 167:722 168:1478 169:207 170:1874 171:104 172:1410 173:812 174:269 175:106 176:625 177:1126 178:640 179:882 180:36 181:2586 182:26 183:1717 184:442 185:3255 186:3572 187:1774 188:1029 189:1996 190:6248 191:576 192:5130 193:1690 194:1094 195:926 196:685 197:687 198:2619 199:2434 200:4407 201:3677 202:1051 203:724 204:2190 205:1640 206:1467 207:1686 208:1630 209:2047 210:316 211:512 212:1063 213:866 214:549 215:36 216:2464 217:549 218:669 219:18 220:28 221:537 222:31 223:1698 End of report