IPv4 R&E Routing Table Report 20:15 GMT Mon 01 Apr, 2024 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: 182350 Prefixes after maximum aggregation (per Origin AS): 79593 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 99742 Number of IPv4 prefixes with a valid ROA: 69334 Number of IPv4 prefixes with an invalid ROA: 17 Number of IPv4 prefixes with no ROA: 112999 Total ASes present in the Internet Routing Table: 15605 Prefixes per ASN: 11.69 Origin-only ASes present in the Internet Routing Table: 13475 Origin ASes announcing only one prefix: 6088 Transit ASes present in the Internet Routing Table: 2130 Transit-only ASes present in the Internet Routing Table: 588 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 28 Max AS path prepend of ASN ( 28683) 24 Prefixes from unregistered ASNs in the Routing Table: 221 Number of instances of unregistered ASNs: 221 Number of 32-bit ASNs allocated by the RIRs: 43985 Number of 32-bit ASNs visible in the Routing Table: 5674 Prefixes from 32-bit ASNs in the Routing Table: 19006 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 93 Number of addresses announced to Internet: 1019546937 Equivalent to 60 /8s, 197 /16s and 13 /24s Percentage of available address space announced: 27.5 Percentage of allocated address space announced: 27.5 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: 53218 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28444 Total APNIC prefixes after maximum aggregation: 6376 APNIC Deaggregation factor: 4.46 Prefixes being announced from the APNIC address blocks: 28189 Unique aggregates announced from the APNIC address blocks: 7230 APNIC Region origin ASes present in the Internet Routing Table: 1087 APNIC Prefixes per ASN: 25.93 APNIC Region origin ASes announcing only one prefix: 434 APNIC Region transit ASes present in the Internet Routing Table: 178 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 466 Number of APNIC addresses announced to Internet: 152799112 Equivalent to 9 /8s, 27 /16s and 135 /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, 131072-153913 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: 82321 Total ARIN prefixes after maximum aggregation: 44806 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81158 Unique aggregates announced from the ARIN address blocks: 50652 ARIN Region origin ASes present in the Internet Routing Table: 7190 ARIN Prefixes per ASN: 11.29 ARIN Region origin ASes announcing only one prefix: 3068 ARIN Region transit ASes present in the Internet Routing Table: 640 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1467 Number of ARIN addresses announced to Internet: 605089249 Equivalent to 36 /8s, 16 /16s and 237 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 34902 Total RIPE prefixes after maximum aggregation: 16484 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35400 Unique aggregates announced from the RIPE address blocks: 23243 RIPE Region origin ASes present in the Internet Routing Table: 3273 RIPE Prefixes per ASN: 10.82 RIPE Region origin ASes announcing only one prefix: 1398 RIPE Region transit ASes present in the Internet Routing Table: 512 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1205 Number of RIPE addresses announced to Internet: 157483216 Equivalent to 9 /8s, 99 /16s and 0 /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, 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: 31955 Total LACNIC prefixes after maximum aggregation: 10054 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 31640 Unique aggregates announced from the LACNIC address blocks: 15765 LACNIC Region origin ASes present in the Internet Routing Table: 3125 LACNIC Prefixes per ASN: 10.12 LACNIC Region origin ASes announcing only one prefix: 1083 LACNIC Region transit ASes present in the Internet Routing Table: 627 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2407 Number of LACNIC addresses announced to Internet: 73646336 Equivalent to 4 /8s, 99 /16s and 193 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4507 Total AfriNIC prefixes after maximum aggregation: 1692 AfriNIC Deaggregation factor: 2.66 Prefixes being announced from the AfriNIC address blocks: 5870 Unique aggregates announced from the AfriNIC address blocks: 2764 AfriNIC Region origin ASes present in the Internet Routing Table: 248 AfriNIC Prefixes per ASN: 23.67 AfriNIC Region origin ASes announcing only one prefix: 105 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 129 Number of AfriNIC addresses announced to Internet: 30475776 Equivalent to 1 /8s, 209 /16s and 6 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9649 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1472 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1443 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 786 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 442 180 24 CSTNET-AS-AP Computer Network Informati 56040 435 488 107 CMNET-GUANGDONG-AP China Mobile communi 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 9789 11363 3413 AMAZON-02, US 749 3189 54916 2441 DNIC-AS-00749, US 367 2879 3580 1363 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1694 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1565 101 1151 USDA-1, US 5972 1419 393 636 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 957 255 82 CANET-ASN-4, CA 19901 844 553 628 BRSPD-PUBLIC, 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1275 108 1045 AKAMAI-ASN1, NL 3215 901 4830 297 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 714 59 22 Jordan Data Communications, JO 8452 544 1841 11 TE-AS TE-AS, EG 58224 442 224 350 TCI, IR 51167 438 81 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 35819 386 378 73 MOBILY-AS Etihad Etisalat Company Mobil 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 5372 1554 859 UNINET, MX 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 920 1128 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 572 2945 46 TELEFONICA BRASIL S.A, BR 10620 545 71 456 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 14117 230 39 9 Telefonica del Sur S.A., CL 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 24863 643 238 187 LINKdotNET-AS, EG 36992 404 638 266 ETISALAT-MISR, EG 2018 380 319 71 TENET-1, ZA 36935 268 67 79 Vodafone-, EG 36914 203 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 37282 163 26 6 MAINONE, NG 327687 162 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 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 9789 11363 3413 AMAZON-02, US 9808 9649 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5372 1554 859 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3189 54916 2441 DNIC-AS-00749, US 367 2879 3580 1363 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1694 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1565 101 1151 USDA-1, US 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 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 9649 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5372 4513 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2879 1516 DNIC-ASBLK-00306-00371, US 56047 1504 1457 CMNET-HUNAN-AP China Mobile communications corp 209 1694 1380 CENTURYLINK-US-LEGACY-QWEST, US 56041 1443 1370 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1472 1362 CMNET-JIANGSU-AP China Mobile communications co 3816 1313 1119 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 Transit: 15964 CAMNET-AS, CM 41.204.248.0/24 Origin: 36911 RESERVED, ZZ 41.204.248.0/24 Transit: 328766 RESERVED, ZZ 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 /8:11 /9:4 /10:14 /11:25 /12:74 /13:114 /14:334 /15:672 /16:5242 /17:2432 /18:2577 /19:5253 /20:8474 /21:10654 /22:19505 /23:20195 /24:106542 /25:68 /26:34 /27:63 /28:19 /29:21 /30:18 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2936 5372 UNINET, MX 16509 2083 9789 AMAZON-02, US 209 957 1694 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1857 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 703 844 BRSPD-PUBLIC, US 6147 687 1089 Telefonica del Peru S.A.A., PE 8376 559 714 Jordan Data Communications, JO 7979 451 1002 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:374 3:287 5:1067 6:148 7:5 8:621 11:171 12:258 13:319 14:100 15:281 16:174 17:6 18:705 20:33 21:4 22:188 23:1791 24:400 25:2 27:18 29:19 31:164 32:1 34:5 35:54 36:1150 37:493 38:840 39:523 40:8 41:571 42:22 43:182 44:28 45:2315 46:573 47:99 49:11 50:251 51:470 52:1349 54:269 55:989 57:16 58:4 59:32 60:19 61:65 62:331 63:464 64:1443 65:796 66:1232 67:673 68:166 69:734 70:148 71:189 72:370 74:729 75:391 76:208 77:278 78:483 79:159 80:197 81:185 82:165 83:95 84:178 85:328 86:144 87:144 88:119 89:461 90:97 91:533 92:399 93:781 94:552 95:1077 96:165 97:34 98:125 99:146 100:22 101:25 102:210 103:1058 104:689 105:31 106:3 107:221 108:299 109:226 110:24 111:1794 112:447 113:41 114:32 115:11 116:32 117:949 118:51 119:97 120:1090 121:31 122:79 123:20 124:57 125:11 128:359 129:308 130:472 131:787 132:495 133:264 134:321 135:66 136:371 137:447 138:768 139:396 140:586 141:318 142:694 143:582 144:321 145:58 146:464 147:319 148:564 149:507 150:289 151:498 152:363 153:116 154:557 155:658 156:378 157:250 158:317 159:523 160:328 161:416 162:682 163:288 164:626 165:372 166:100 167:381 168:1007 169:156 170:1253 171:65 172:895 173:609 174:102 175:46 176:393 177:724 178:320 179:510 180:43 181:988 182:20 183:854 184:203 185:2210 186:1027 187:737 188:479 189:1059 190:2981 191:189 192:3664 193:1202 194:780 195:553 196:436 197:405 198:1823 199:3350 200:2696 201:2542 202:934 203:590 204:1744 205:1633 206:1131 207:994 208:960 209:1399 210:302 211:423 212:672 213:525 214:1042 215:43 216:1682 217:277 218:515 219:19 220:28 221:302 222:16 223:630 End of report