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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 5 18:45:27 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Mon 05 May, 2025

  IPv4 BGP Table (Global) as seen at RENU.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RENU/

Analysis Summary
----------------

BGP routing table entries examined:                              999748
    Prefixes after maximum aggregation (per Origin AS):          377532
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      478906
    Number of IPv4 prefixes with a valid ROA:                    556151
    Number of IPv4 prefixes with an invalid ROA:                    578
    Number of IPv4 prefixes with no ROA:                         443019
Total ASes present in the Internet Routing Table:                 76837
    Prefixes per ASN:                                             13.01
Origin-only ASes present in the Internet Routing Table:           65936
Origin ASes announcing only one prefix:                           26611
Transit ASes present in the Internet Routing Table:               10901
Transit-only ASes present in the Internet Routing Table:            545
Paths with bogon ASNs present in the IPv4 Routing Table:             78
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      78
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1067
    Number of instances of unregistered ASNs:                      1068
Number of 32-bit ASNs allocated by the RIRs:                      46335
Number of 32-bit ASNs visible in the Routing Table:               38220
Prefixes from 32-bit ASNs in the Routing Table:                  207696
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:            473
Number of addresses announced to Internet:                   3110389760
    Equivalent to 185 /8s, 100 /16s and 200 /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:      330402

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

Prefixes being announced by APNIC Region ASes:                   258825
    Total APNIC prefixes after maximum aggregation:               76856
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249845
    Unique aggregates announced from the APNIC address blocks:   103159
APNIC Region origin ASes present in the Internet Routing Table:   14589
    APNIC Prefixes per ASN:                                       17.13
APNIC Region origin ASes announcing only one prefix:               4456
APNIC Region transit ASes present in the Internet Routing Table:   1937
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10116
Number of APNIC addresses announced to Internet:              748449024
    Equivalent to 44 /8s, 156 /16s and 109 /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:                    292512
    Total ARIN prefixes after maximum aggregation:               129870
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           294096
    Unique aggregates announced from the ARIN address blocks:    138404
ARIN Region origin ASes present in the Internet Routing Table:    19221
    ARIN Prefixes per ASN:                                        15.30
ARIN Region origin ASes announcing only one prefix:                7042
ARIN Region transit ASes present in the Internet Routing Table:    1955
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          29
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5201
Number of ARIN addresses announced to Internet:              1353229056
    Equivalent to 80 /8s, 168 /16s and 163 /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:                    277075
    Total RIPE prefixes after maximum aggregation:               133870
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274572
    Unique aggregates announced from the RIPE address blocks:    174240
RIPE Region origin ASes present in the Internet Routing Table:    28954
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12055
RIPE Region transit ASes present in the Internet Routing Table:    3964
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12436
Number of RIPE addresses announced to Internet:               731482624
    Equivalent to 43 /8s, 153 /16s and 138 /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:                  132467
    Total LACNIC prefixes after maximum aggregation:              29440
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128834
    Unique aggregates announced from the LACNIC address blocks:   48773
LACNIC Region origin ASes present in the Internet Routing Table:  11240
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2400
LACNIC Region transit ASes present in the Internet Routing Table:  2476
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9184
Number of LACNIC addresses announced to Internet:             171756288
    Equivalent to 10 /8s, 60 /16s and 203 /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:                  37802
    Total AfriNIC prefixes after maximum aggregation:              6864
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         51928
    Unique aggregates announced from the AfriNIC address blocks:  13940
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     27.13
AfriNIC Region origin ASes announcing only one prefix:              658
AfriNIC Region transit ASes present in the Internet Routing Table:  377
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       78
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet:            105247744
    Equivalent to 6 /8s, 69 /16s and 244 /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       10451       8753      92  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4281        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4239        531     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3677       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3265       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2859        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2189      11523     649  KIXS-AS-KR Korea Telecom, KR
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13335      40827    4475  AMAZON-02, US
   174        5507       8752     913  COGENT-174, US
 11492        4711        312     591  CABLEONE, US
  7155        3856        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3369       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54863    2505  DNIC-AS-00749, US
 16625        3084       1293    2247  AKAMAI-AS, US
396982        2956       3657     470  GOOGLE-CLOUD-PLATFORM, US
 36352        2775        227     853  AS-COLOCROSSING, US

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7723       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4020       3395     126  AKAMAI-ASN1, NL
  9009        3795        328    1976  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2129        150    1571  CDNEXT, GB
  8452        1646       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1431        366      39  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12045       3243     585  UNINET, MX
 10620        3522        486     994  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 28573        1359       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1198        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1192        371      22  Telefonica del Peru S.A.A., PE
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1058         67     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1744        631      30  RAYA-AS, EG
 24863        1651        389      16  LINKdotNET-AS, EG
 29571        1600        103      23  ORANGE-COTE-IVOIRE, CI
 36992        1430       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1036        523      45  Vodafone-, EG
 37069         932       1099      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     319  IS, ZA

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13335      40827    4475  AMAZON-02, US
  8151       12045       3243     585  UNINET, MX
  9808       10451       8753      92  CHINAMOBILE-CN China Mobile Communication
 12479        7723       1714     148  UNI2-AS, ES
  7545        6211        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5507       8752     913  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4711        312     591  CABLEONE, US
 18403        4281        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4239        531     277  BBIL-AP BHARTI Airtel Ltd., IN

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       12045        11460  UNINET, MX
  9808       10451        10359  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7723         7575  UNI2-AS, ES
  7545        6211         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5507         4594  COGENT-174, US
 18403        4281         4256  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4239         3962  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4020         3894  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/RENU/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/RENU/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/RENU/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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/RENU/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      /12:300     
/13:583     /14:1227    /15:2186    /16:14064   /17:8350    /18:13911   
/19:24788   /20:44298   /21:52528   /22:113338  /23:105794  /24:618215  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6645        7723  UNI2-AS, ES
  8151        6230       12045  UNINET, MX
 11492        3531        4711  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2815        3856  VIASAT-SP-BACKBONE, US
 22773        2519        3369  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2340       13335  AMAZON-02, US
 30036        2217        2557  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3522  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2337      2:1519      3:681       4:10        5:4979      6:162    
   7:6         8:1556      9:1        11:172      12:1366     13:364    
  14:2516     15:353      16:282      17:367      18:921      20:522    
  21:4        22:188      23:7523     24:2893     25:2        27:2771   
  29:19       31:3282     32:44       33:1        34:84       35:203    
  36:2492     37:4705     38:10287    39:907      40:167      41:4348   
  42:1941     43:2589     44:377      45:19284    46:5039     47:294    
  49:1944     50:1891     51:591      52:1554     54:302      55:1084   
  56:11       57:266      58:2204     59:1280     60:1169     61:2992   
  62:3020     63:1835     64:5515     65:2186     66:4721     67:3107   
  68:1132     69:3996     70:1092     71:628      72:2945     74:2798   
  75:1624     76:614      77:2833     78:1883     79:1758     80:2219   
  81:2055     82:3205     83:1446     84:1855     85:3418     86:1050   
  87:2411     88:1302     89:4347     90:782      91:8418     92:2729   
  93:2909     94:4104     95:4355     96:1470     97:312      98:991    
  99:671     100:72      101:1411    102:4300    103:32355   104:4821   
 105:1230    106:1031    107:2623    108:1214    109:4131    110:2229   
 111:3338    112:2052    113:1809    114:1973    115:2249    116:2078   
 117:2738    118:2806    119:1958    120:1885    121:1368    122:2774   
 123:2403    124:1590    125:2853    126:91      128:1592    129:1016   
 130:1320    131:1998    132:774     133:451     134:1542    135:377    
 136:1309    137:1127    138:3072    139:1618    140:1582    141:1493   
 142:1927    143:1704    144:1078    145:509     146:2166    147:2102   
 148:2692    149:2952    150:1260    151:1827    152:2117    153:563    
 154:8605    155:1681    156:3407    157:1892    158:1296    159:2441   
 160:3649    161:1914    162:3731    163:2133    164:1732    165:2228   
 166:1467    167:1909    168:4217    169:797     170:5311    171:1007   
 172:4407    173:3280    174:907     175:1303    176:3723    177:5463   
 178:3761    179:2460    180:2643    181:4195    182:3390    183:2037   
 184:2112    185:21723   186:5524    187:4793    188:4226    189:4441   
 190:9854    191:1925    192:11238   193:9491    194:7843    195:5626   
 196:3653    197:3790    198:6131    199:8492    200:8511    201:6398   
 202:10472   203:10700   204:4527    205:3625    206:4605    207:3450   
 208:4278    209:5208    210:4618    211:2530    212:4560    213:3758   
 214:1032    215:48      216:6755    217:3207    218:1350    219:386    
 220:2083    221:1058    222:720     223:2356   

End of report


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