This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 02 Aug, 2025 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1015047 Prefixes after maximum aggregation (per Origin AS): 385451 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 488830 Number of IPv4 prefixes with a valid ROA: 562317 Number of IPv4 prefixes with an invalid ROA: 429 Number of IPv4 prefixes with no ROA: 452301 Total ASes present in the Internet Routing Table: 77234 Prefixes per ASN: 13.14 Origin-only ASes present in the Internet Routing Table: 66102 Origin ASes announcing only one prefix: 26886 Transit ASes present in the Internet Routing Table: 11132 Transit-only ASes present in the Internet Routing Table: 568 Paths with bogon ASNs present in the IPv4 Routing Table: 42 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1067 Number of instances of unregistered ASNs: 1099 Number of 32-bit ASNs allocated by the RIRs: 47037 Number of 32-bit ASNs visible in the Routing Table: 38738 Prefixes from 32-bit ASNs in the Routing Table: 210111 Number of bogon 32-bit ASNs visible in the Routing Table: 76 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 275 Number of addresses announced to Internet: 3113274692 Equivalent to 185 /8s, 144 /16s and 205 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 329212 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 275794 Total APNIC prefixes after maximum aggregation: 79056 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 267088 Unique aggregates announced from the APNIC address blocks: 105528 APNIC Region origin ASes present in the Internet Routing Table: 14841 APNIC Prefixes per ASN: 18.00 APNIC Region origin ASes announcing only one prefix: 4501 APNIC Region transit ASes present in the Internet Routing Table: 2004 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10303 Number of APNIC addresses announced to Internet: 755246912 Equivalent to 45 /8s, 4 /16s and 39 /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: 295283 Total ARIN prefixes after maximum aggregation: 132405 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 296493 Unique aggregates announced from the ARIN address blocks: 141626 ARIN Region origin ASes present in the Internet Routing Table: 19260 ARIN Prefixes per ASN: 15.39 ARIN Region origin ASes announcing only one prefix: 7038 ARIN Region transit ASes present in the Internet Routing Table: 1993 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5272 Number of ARIN addresses announced to Internet: 1349437953 Equivalent to 80 /8s, 110 /16s and 202 /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, 393216-402332 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: 280793 Total RIPE prefixes after maximum aggregation: 136598 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 279745 Unique aggregates announced from the RIPE address blocks: 178233 RIPE Region origin ASes present in the Internet Routing Table: 29002 RIPE Prefixes per ASN: 9.65 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 4029 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12623 Number of RIPE addresses announced to Internet: 732088771 Equivalent to 43 /8s, 162 /16s and 201 /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: 126519 Total LACNIC prefixes after maximum aggregation: 29820 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 122797 Unique aggregates announced from the LACNIC address blocks: 49138 LACNIC Region origin ASes present in the Internet Routing Table: 11276 LACNIC Prefixes per ASN: 10.89 LACNIC Region origin ASes announcing only one prefix: 2627 LACNIC Region transit ASes present in the Internet Routing Table: 2528 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9235 Number of LACNIC addresses announced to Internet: 171206720 Equivalent to 10 /8s, 52 /16s and 104 /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: 35591 Total AfriNIC prefixes after maximum aggregation: 6864 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 48649 Unique aggregates announced from the AfriNIC address blocks: 14056 AfriNIC Region origin ASes present in the Internet Routing Table: 1939 AfriNIC Prefixes per ASN: 25.09 AfriNIC Region origin ASes announcing only one prefix: 683 AfriNIC Region transit ASes present in the Internet Routing Table: 384 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: 1305 Number of AfriNIC addresses announced to Internet: 105103360 Equivalent to 6 /8s, 67 /16s and 192 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 12530 8921 173 CHINAMOBILE-CN China Mobile Communication 7545 6123 836 612 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4884 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4564 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN 45899 4384 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3937 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3678 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3029 832 222 CMNET-JIANGSU-AP China Mobile communicati 24560 2915 864 511 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13713 41057 5285 AMAZON-02, US 174 5242 8770 857 COGENT-174, US 11492 4827 320 607 CABLEONE, US 7155 3869 287 89 VIASAT-SP-BACKBONE, US 6327 3637 1320 82 SHAW, CA 22773 3337 3013 162 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3199 3856 433 GOOGLE-CLOUD-PLATFORM, US 16625 2945 1244 2189 AKAMAI-AS, US 4155 2892 219 1732 USDA-1, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7580 1711 149 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3937 3396 140 AKAMAI-ASN1, NL 9009 3841 365 2156 M247, RO 12389 3113 2315 866 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2404 361 584 TELLCOM-AS, TR 5384 2393 585 29 EMIRATES-INTERNET Emirates Internet, AE 212238 2308 163 1678 CDNEXT, GB 13188 1605 100 37 TRIOLAN, UA 8452 1583 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12320 3271 573 UNINET, MX 10620 3480 473 1036 Telmex Colombia S.A., CO 13999 2519 511 354 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1374 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1195 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1165 371 22 Telefonica del Peru S.A.A., PE 22884 1058 67 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1019 373 162 Axtel, S.A.B. de C.V., MX Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1725 660 28 RAYA-AS, EG 29571 1604 102 51 ORANGE-COTE-IVOIRE, CI 36992 1411 1493 376 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 24863 1231 389 20 LINKdotNET-AS, EG 37069 1086 1112 11 MOBINIL, EG 36935 914 520 43 Vodafone-, EG 36914 574 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 15399 542 57 60 WANANCHI-, KE Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13713 41057 5285 AMAZON-02, US 9808 12530 8921 173 CHINAMOBILE-CN China Mobile Communication 8151 12320 3271 573 UNINET, MX 12479 7580 1711 149 UNI2-AS, ES 7545 6123 836 612 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5242 8770 857 COGENT-174, US 4538 4884 4192 75 ERX-CERNET-BKB China Education and Resear 11492 4827 320 607 CABLEONE, US 39891 4798 293 63 ALJAWWALSTC-AS, SA 18403 4564 347 26 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 12530 12357 CHINAMOBILE-CN China Mobile Communications Grou 8151 12320 11747 UNINET, MX 12479 7580 7431 UNI2-AS, ES 7545 6123 5511 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4884 4809 ERX-CERNET-BKB China Education and Research Net 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4564 4538 FPT-AS-AP FPT Telecom Company, VN 174 5242 4385 COGENT-174, US 45899 4384 4329 VNPT-AS-VN VNPT Corp, VN 11492 4827 4220 CABLEONE, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.224.0/24 Origin: 27392 639-DATACENTERS, US 23.147.224.0/24 Transit: 3356 LEVEL3, US 23.147.225.0/24 Origin: 27392 639-DATACENTERS, US 23.147.225.0/24 Transit: 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:14 /10:41 /11:92 /12:299 /13:582 /14:1214 /15:2172 /16:13908 /17:8452 /18:14293 /19:25412 /20:45939 /21:53160 /22:114012 /23:106266 /24:628393 /25:146 /26:114 /27:116 /28:19 /29:70 /30:10 /31:0 /32:307 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6543 12320 UNINET, MX 12479 6538 7580 UNI2-AS, ES 11492 3619 4827 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3433 3637 SHAW, CA 7155 2827 3869 VIASAT-SP-BACKBONE, US 22773 2492 3337 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2364 13713 AMAZON-02, US 30036 2292 2633 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2196 3480 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2487 2:1592 3:863 4:12 5:4854 6:163 7:6 8:1578 9:1 11:172 12:1338 13:459 14:2648 15:368 16:286 17:380 18:900 20:577 21:4 22:188 23:7757 24:2731 25:2 27:2863 29:19 31:3447 32:39 33:1 34:84 35:264 36:4067 37:4604 38:10639 39:956 40:248 41:4344 42:2067 43:2815 44:379 45:18958 46:5182 47:354 49:1926 50:2048 51:591 52:1555 54:325 55:1098 56:11 57:278 58:2295 59:1418 60:1200 61:3162 62:3018 63:1792 64:5573 65:2165 66:4777 67:3108 68:1071 69:3981 70:1038 71:633 72:2853 74:2820 75:1512 76:610 77:2771 78:1900 79:1727 80:2242 81:2073 82:3202 83:1490 84:1915 85:3492 86:1191 87:2401 88:1315 89:4468 90:779 91:8466 92:2783 93:2965 94:4200 95:4427 96:1489 97:310 98:955 99:695 100:71 101:1494 102:4054 103:32768 104:5270 105:1069 106:978 107:2643 108:1270 109:4258 110:2280 111:3503 112:2377 113:1906 114:1992 115:2317 116:2159 117:2689 118:3031 119:2049 120:2254 121:1411 122:2934 123:2524 124:1796 125:2932 126:91 128:1641 129:985 130:1320 131:2091 132:783 133:450 134:1605 135:352 136:1470 137:1265 138:2896 139:1670 140:1647 141:1528 142:1893 143:1970 144:1180 145:568 146:2202 147:2106 148:2721 149:2994 150:1296 151:2261 152:2073 153:590 154:7909 155:1865 156:3102 157:1942 158:1350 159:2530 160:3621 161:1898 162:3900 163:2263 164:1888 165:2434 166:1537 167:2021 168:4051 169:787 170:5225 171:1013 172:4231 173:3414 174:919 175:1357 176:3759 177:4972 178:3971 179:2383 180:2666 181:4157 182:3580 183:2318 184:2102 185:21702 186:5328 187:4747 188:4290 189:4431 190:9610 191:1544 192:11369 193:9510 194:7938 195:5740 196:3317 197:3199 198:6139 199:8603 200:8273 201:6459 202:11001 203:10941 204:4592 205:3603 206:4568 207:3555 208:4315 209:5168 210:5034 211:2826 212:4610 213:3836 214:1027 215:48 216:6808 217:3400 218:1461 219:605 220:2153 221:1209 222:990 223:2792 End of report