[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Fri Jun 27 21:31:25 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Fri 27 Jun, 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:                             1022542
    Prefixes after maximum aggregation (per Origin AS):          383238
    Deaggregation factor:                                          2.67
    Unique aggregates announced (without unneeded subnets):      484351
    Number of IPv4 prefixes with a valid ROA:                    571288
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                         451236
Total ASes present in the Internet Routing Table:                 77119
    Prefixes per ASN:                                             13.26
Origin-only ASes present in the Internet Routing Table:           65982
Origin ASes announcing only one prefix:                           26531
Transit ASes present in the Internet Routing Table:               11137
Transit-only ASes present in the Internet Routing Table:            571
Paths with bogon ASNs present in the IPv4 Routing Table:             66
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      80
    Max AS path prepend of ASN (133647)                              73
Prefixes from unregistered ASNs in the Routing Table:              1122
    Number of instances of unregistered ASNs:                      1159
Number of 32-bit ASNs allocated by the RIRs:                      46662
Number of 32-bit ASNs visible in the Routing Table:               38531
Prefixes from 32-bit ASNs in the Routing Table:                  213118
Number of bogon 32-bit ASNs visible in the Routing Table:            88
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            300
Number of addresses announced to Internet:                   3111486272
    Equivalent to 185 /8s, 117 /16s and 131 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      334753

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   273795
    Total APNIC prefixes after maximum aggregation:               78579
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          264563
    Unique aggregates announced from the APNIC address blocks:   104751
APNIC Region origin ASes present in the Internet Routing Table:   14780
    APNIC Prefixes per ASN:                                       17.90
APNIC Region origin ASes announcing only one prefix:               4485
APNIC Region transit ASes present in the Internet Routing Table:   1997
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         80
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10236
Number of APNIC addresses announced to Internet:              754369088
    Equivalent to 44 /8s, 246 /16s and 194 /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:                    295076
    Total ARIN prefixes after maximum aggregation:               131469
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           296412
    Unique aggregates announced from the ARIN address blocks:    139807
ARIN Region origin ASes present in the Internet Routing Table:    19239
    ARIN Prefixes per ASN:                                        15.41
ARIN Region origin ASes announcing only one prefix:                7028
ARIN Region transit ASes present in the Internet Routing Table:    2001
Average ARIN Region AS path length visible:                         4.9
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5238
Number of ARIN addresses announced to Internet:              1349328896
    Equivalent to 80 /8s, 109 /16s and 32 /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:                    282635
    Total RIPE prefixes after maximum aggregation:               135775
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           281373
    Unique aggregates announced from the RIPE address blocks:    176740
RIPE Region origin ASes present in the Internet Routing Table:    28963
    RIPE Prefixes per ASN:                                         9.71
RIPE Region origin ASes announcing only one prefix:               12019
RIPE Region transit ASes present in the Internet Routing Table:    4017
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12543
Number of RIPE addresses announced to Internet:               731365056
    Equivalent to 43 /8s, 151 /16s and 190 /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:                  132745
    Total LACNIC prefixes after maximum aggregation:              29985
    LACNIC Deaggregation factor:                                   4.43
Prefixes being announced from the LACNIC address blocks:         129158
    Unique aggregates announced from the LACNIC address blocks:   48929
LACNIC Region origin ASes present in the Internet Routing Table:  11284
    LACNIC Prefixes per ASN:                                      11.45
LACNIC Region origin ASes announcing only one prefix:              2348
LACNIC Region transit ASes present in the Internet Routing Table:  2534
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        57
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9228
Number of LACNIC addresses announced to Internet:             171264320
    Equivalent to 10 /8s, 53 /16s and 73 /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:                  37169
    Total AfriNIC prefixes after maximum aggregation:              6694
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         50736
    Unique aggregates announced from the AfriNIC address blocks:  13850
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     26.44
AfriNIC Region origin ASes announcing only one prefix:              651
AfriNIC Region transit ASes present in the Internet Routing Table:  382
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet:            104960256
    Equivalent to 6 /8s, 65 /16s and 145 /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       11561       8919     172  CHINAMOBILE-CN China Mobile Communication
  7545        6140        840     642  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4886       4192      75  ERX-CERNET-BKB China Education and Resear
 45899        4405       1874      56  VNPT-AS-VN VNPT Corp, VN
 18403        4367        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4338        535     310  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3947       1332      27  VIETEL-AS-AP Viettel Group, VN
  7713        3700       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2891        856     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 56046        2426        832     220  CMNET-JIANGSU-AP China Mobile communicati

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       13607      40954    5214  AMAZON-02, US
   174        5271       8758     853  COGENT-174, US
 11492        4774        316     625  CABLEONE, US
  7155        3871        287      89  VIASAT-SP-BACKBONE, US
  6327        3637       1320      82  SHAW, CA
 22773        3350       3016     165  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3226      54767    2477  DNIC-AS-00749, US
396982        3192       3854     429  GOOGLE-CLOUD-PLATFORM, US
 16625        2986       1251    2218  AKAMAI-AS, US
 36352        2833        231     860  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        7671       1713     148  UNI2-AS, ES
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 20940        3963       3395     139  AKAMAI-ASN1, NL
  9009        3915        359    2112  M247, RO
 12389        3124       2305     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
  5384        2416        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2401        361     581  TELLCOM-AS, TR
212238        2329        171    1707  CDNEXT, GB
  8452        1624       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       12267       3256     575  UNINET, MX
 10620        3505        481    1017  Telmex Colombia S.A., CO
 13999        2537        538     355  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1371       2436     260  Claro NXT Telecomunicacoes Ltda, BR
  3816        1344        787     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1197        371      22  Telefonica del Peru S.A.A., PE
 22884        1065         68     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
 26615        1055       2487      55  TIM SA, BR
  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        1822        644      27  RAYA-AS, EG
 24863        1620        389      17  LINKdotNET-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1519     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1076        523      47  Vodafone-, EG
 20011         603        168     245  INTERNET-SOLUTIONS, ZA
 36914         579         82       3  KENET-AS, KE
 15399         541         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       13607      40954    5214  AMAZON-02, US
  8151       12267       3256     575  UNINET, MX
  9808       11561       8919     172  CHINAMOBILE-CN China Mobile Communication
 12479        7671       1713     148  UNI2-AS, ES
  7545        6140        840     642  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5271       8758     853  COGENT-174, US
  4538        4886       4192      75  ERX-CERNET-BKB China Education and Resear
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 11492        4774        316     625  CABLEONE, US
 45899        4405       1874      56  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       12267        11692  UNINET, MX
  9808       11561        11389  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7671         7523  UNI2-AS, ES
  7545        6140         5498  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4886         4811  ERX-CERNET-BKB China Education and Research Net
 39891        4780         4714  ALJAWWALSTC-AS, SA
   174        5271         4418  COGENT-174, US
 45899        4405         4349  VNPT-AS-VN VNPT Corp, VN
 18403        4367         4342  FPT-AS-AP FPT Telecom Company, VN
 11492        4774         4149  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
     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
    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
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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       /9:14      /10:41      /11:92      /12:300     
/13:586     /14:1215    /15:2174    /16:13942   /17:8528    /18:14393   
/19:25460   /20:46283   /21:53832   /22:115040  /23:109335  /24:630549  
/25:128     /26:113     /27:99      /28:19      /29:75      /30:8       
/31:0       /32:300     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6594        7671  UNI2-AS, ES
  8151        6455       12267  UNINET, MX
 11492        3573        4774  CABLEONE, US
 39891        3489        4780  ALJAWWALSTC-AS, SA
  6327        3431        3637  SHAW, CA
  7155        2829        3871  VIASAT-SP-BACKBONE, US
 22773        2502        3350  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2345       13607  AMAZON-02, US
 30036        2259        2600  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2192        3505  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)
----------------------------------------------

   1:2448      2:1619      3:820       4:12        5:5092      6:161    
   7:6         8:1598      9:1        11:172      12:1343     13:446    
  14:2603     15:365      16:283      17:383      18:920      20:581    
  21:4        22:188      23:7653     24:2815     25:2        27:2842   
  29:19       31:3457     32:47       33:1        34:84       35:259    
  36:3208     37:4642     38:10491    39:915      40:207      41:4433   
  42:1923     43:2763     44:381      45:19509    46:5241     47:343    
  49:1956     50:1893     51:592      52:1558     54:324      55:1105   
  56:11       57:277      58:2321     59:1333     60:1204     61:3173   
  62:3046     63:1806     64:5550     65:2195     66:4773     67:3119   
  68:1099     69:4010     70:1060     71:630      72:2947     74:2825   
  75:1526     76:608      77:2863     78:1898     79:1745     80:2252   
  81:2100     82:3196     83:1501     84:1891     85:3459     86:1189   
  87:2413     88:1372     89:4452     90:778      91:8503     92:2811   
  93:2971     94:4194     95:4440     96:1488     97:310      98:960    
  99:688     100:72      101:1447    102:4278    103:32887   104:5230   
 105:1191    106:985     107:2649    108:1266    109:4204    110:2292   
 111:3316    112:2185    113:1905    114:2020    115:2287    116:2151   
 117:2591    118:2983    119:2029    120:2149    121:1458    122:2934   
 123:2642    124:1742    125:2928    126:93      128:1697    129:968    
 130:1336    131:2136    132:791     133:451     134:1567    135:393    
 136:1356    137:1270    138:3012    139:1662    140:1642    141:1517   
 142:1941    143:1977    144:1173    145:565     146:2201    147:2120   
 148:2719    149:2995    150:1291    151:2114    152:2107    153:590    
 154:8163    155:1784    156:3165    157:1937    158:1327    159:2505   
 160:3696    161:1905    162:3906    163:2247    164:1894    165:2085   
 166:1517    167:2020    168:4156    169:794     170:5381    171:1030   
 172:4448    173:3385    174:919     175:1353    176:3824    177:5419   
 178:3998    179:2487    180:2718    181:4260    182:3499    183:2225   
 184:2118    185:21897   186:5518    187:4884    188:4433    189:4535   
 190:9878    191:1623    192:11349   193:9540    194:8018    195:5775   
 196:3381    197:3350    198:6131    199:8577    200:8684    201:6523   
 202:10927   203:10979   204:4581    205:3625    206:4534    207:3522   
 208:4311    209:5174    210:4985    211:2767    212:4652    213:3847   
 214:1014    215:45      216:6819    217:3405    218:1435    219:608    
 220:2143    221:1161    222:977     223:2577   

End of report


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