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 19 Apr, 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: 1001107 Prefixes after maximum aggregation (per Origin AS): 377286 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 477961 Number of IPv4 prefixes with a valid ROA: 550240 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 450849 Total ASes present in the Internet Routing Table: 76924 Prefixes per ASN: 13.01 Origin-only ASes present in the Internet Routing Table: 65879 Origin ASes announcing only one prefix: 26855 Transit ASes present in the Internet Routing Table: 11045 Transit-only ASes present in the Internet Routing Table: 547 Paths with bogon ASNs present in the IPv4 Routing Table: 60 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1046 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 46245 Number of 32-bit ASNs visible in the Routing Table: 38182 Prefixes from 32-bit ASNs in the Routing Table: 204215 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 339 Number of addresses announced to Internet: 3112229888 Equivalent to 185 /8s, 128 /16s and 220 /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: 326129 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 268425 Total APNIC prefixes after maximum aggregation: 77382 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 260102 Unique aggregates announced from the APNIC address blocks: 103187 APNIC Region origin ASes present in the Internet Routing Table: 14693 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 4450 APNIC Region transit ASes present in the Internet Routing Table: 2003 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10129 Number of APNIC addresses announced to Internet: 753809984 Equivalent to 44 /8s, 238 /16s and 58 /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: 292362 Total ARIN prefixes after maximum aggregation: 129413 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 293179 Unique aggregates announced from the ARIN address blocks: 138010 ARIN Region origin ASes present in the Internet Routing Table: 19263 ARIN Prefixes per ASN: 15.22 ARIN Region origin ASes announcing only one prefix: 7035 ARIN Region transit ASes present in the Internet Routing Table: 1982 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: 5193 Number of ARIN addresses announced to Internet: 1349500416 Equivalent to 80 /8s, 111 /16s and 190 /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: 277297 Total RIPE prefixes after maximum aggregation: 133676 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 275244 Unique aggregates announced from the RIPE address blocks: 173850 RIPE Region origin ASes present in the Internet Routing Table: 28914 RIPE Prefixes per ASN: 9.52 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3990 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12404 Number of RIPE addresses announced to Internet: 731925888 Equivalent to 43 /8s, 160 /16s and 77 /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: 125605 Total LACNIC prefixes after maximum aggregation: 29408 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 122173 Unique aggregates announced from the LACNIC address blocks: 48878 LACNIC Region origin ASes present in the Internet Routing Table: 11234 LACNIC Prefixes per ASN: 10.88 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2489 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9181 Number of LACNIC addresses announced to Internet: 171757120 Equivalent to 10 /8s, 60 /16s and 206 /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: 36372 Total AfriNIC prefixes after maximum aggregation: 6784 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 50070 Unique aggregates announced from the AfriNIC address blocks: 13762 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 26.21 AfriNIC Region origin ASes announcing only one prefix: 673 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275 Number of AfriNIC addresses announced to Internet: 105060864 Equivalent to 6 /8s, 67 /16s and 26 /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 10438 8913 146 CHINAMOBILE-CN China Mobile Communication 7545 6208 843 651 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4851 4192 75 ERX-CERNET-BKB China Education and Resear 45899 4355 1874 55 VNPT-AS-VN VNPT Corp, VN 18403 4256 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4220 530 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3952 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3672 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2857 851 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2197 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 13216 39710 4098 AMAZON-02, US 174 5395 8762 935 COGENT-174, US 11492 4694 311 587 CABLEONE, US 7155 3843 287 89 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3396 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54879 2505 DNIC-AS-00749, US 16625 2995 1252 2211 AKAMAI-AS, US 396982 2956 3650 467 GOOGLE-CLOUD-PLATFORM, US 36352 2707 222 836 AS-COLOCROSSING, 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 7704 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3946 3396 141 AKAMAI-ASN1, NL 9009 3776 326 1963 M247, RO 12389 3072 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2402 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2363 360 585 TELLCOM-AS, TR 212238 2095 148 1540 CDNEXT, GB 8452 1640 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 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 11958 3243 591 UNINET, MX 10620 3522 486 992 Telmex Colombia S.A., CO 13999 2511 539 364 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1356 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1193 371 22 Telefonica del Peru S.A.A., PE 11664 1088 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1053 67 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1040 374 163 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 1743 607 31 RAYA-AS, EG 24863 1647 389 16 LINKdotNET-AS, EG 29571 1588 102 22 ORANGE-COTE-IVOIRE, CI 36992 1433 1518 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1020 521 42 Vodafone-, EG 20011 981 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 6713 562 1861 35 IAM-AS, MA 36914 537 82 3 KENET-AS, 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 13216 39710 4098 AMAZON-02, US 8151 11958 3243 591 UNINET, MX 9808 10438 8913 146 CHINAMOBILE-CN China Mobile Communication 12479 7704 1714 145 UNI2-AS, ES 7545 6208 843 651 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5395 8762 935 COGENT-174, US 4538 4851 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4694 311 587 CABLEONE, US 45899 4355 1874 55 VNPT-AS-VN VNPT Corp, 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 8151 11958 11367 UNINET, MX 9808 10438 10292 CHINAMOBILE-CN China Mobile Communications Grou 12479 7704 7559 UNI2-AS, ES 7545 6208 5557 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4851 4776 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5395 4460 COGENT-174, US 45899 4355 4300 VNPT-AS-VN VNPT Corp, VN 18403 4256 4231 FPT-AS-AP FPT Telecom Company, VN 11492 4694 4107 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 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 23.138.4.0/24 Origin: 16509 AMAZON-02, US 23.138.4.0/24 Transit: 3605 ERX-KUENTOS-AS Guam Cablevision, LLC., G 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /9:16 /10:41 /11:93 /12:301 /13:585 /14:1230 /15:2180 /16:14044 /17:8527 /18:14535 /19:25432 /20:45662 /21:53171 /22:113994 /23:104920 /24:615637 /25:113 /26:107 /27:101 /28:18 /29:75 /30:10 /31:0 /32:299 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6625 7704 UNI2-AS, ES 8151 6164 11958 UNINET, MX 11492 3531 4694 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2800 3843 VIASAT-SP-BACKBONE, US 22773 2535 3396 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2350 13216 AMAZON-02, US 30036 2218 2558 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2188 3522 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) ---------------------------------------------- 1:2396 2:1656 3:618 4:12 5:4703 6:163 7:6 8:1572 9:1 11:172 12:1371 13:351 14:2584 15:352 16:283 17:372 18:924 20:526 21:4 22:188 23:7448 24:2808 25:2 27:2806 29:19 31:3299 32:40 34:84 35:206 36:2422 37:4710 38:10054 39:913 40:166 41:4331 42:1932 43:2673 44:377 45:18798 46:5080 47:311 49:1937 50:1894 51:590 52:1556 54:298 55:1085 56:11 57:257 58:2315 59:1356 60:1199 61:3140 62:2943 63:1834 64:5507 65:2194 66:4649 67:3068 68:1113 69:3926 70:1063 71:624 72:2835 74:2797 75:1599 76:613 77:2744 78:1879 79:1765 80:2237 81:2049 82:3195 83:1465 84:1860 85:3415 86:1150 87:2416 88:1283 89:4338 90:787 91:8348 92:2781 93:2895 94:4186 95:4365 96:1438 97:313 98:996 99:643 100:72 101:1413 102:3916 103:32674 104:4820 105:1182 106:989 107:2621 108:1210 109:4127 110:2274 111:3375 112:2074 113:1852 114:1980 115:2260 116:2087 117:2789 118:2932 119:2019 120:1946 121:1442 122:2896 123:2496 124:1705 125:2913 126:91 128:1645 129:978 130:1299 131:1950 132:789 133:451 134:1536 135:332 136:1308 137:1252 138:2942 139:1686 140:1602 141:1498 142:1904 143:1645 144:1073 145:513 146:2170 147:2116 148:2663 149:3009 150:1257 151:1762 152:2108 153:569 154:8307 155:1625 156:3209 157:1889 158:1289 159:2442 160:3601 161:1911 162:3756 163:2081 164:1708 165:2203 166:1448 167:1884 168:4116 169:795 170:5122 171:1014 172:4482 173:3239 174:902 175:1330 176:3693 177:4811 178:3753 179:2333 180:2675 181:4098 182:3398 183:2055 184:2125 185:21613 186:5183 187:4480 188:4217 189:4255 190:9684 191:1516 192:11272 193:9466 194:7918 195:5651 196:3304 197:3703 198:6108 199:8462 200:8270 201:6356 202:10947 203:10879 204:4528 205:3658 206:4640 207:3483 208:4236 209:5164 210:4902 211:2741 212:4570 213:3788 214:1028 215:48 216:6641 217:3294 218:1398 219:577 220:2088 221:1060 222:973 223:2346 End of report