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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 1 18:45:23 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 01 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:                              999623
    Prefixes after maximum aggregation (per Origin AS):          377066
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      478755
    Number of IPv4 prefixes with a valid ROA:                    554829
    Number of IPv4 prefixes with an invalid ROA:                    598
    Number of IPv4 prefixes with no ROA:                         444196
Total ASes present in the Internet Routing Table:                 76822
    Prefixes per ASN:                                             13.01
Origin-only ASes present in the Internet Routing Table:           65914
Origin ASes announcing only one prefix:                           26584
Transit ASes present in the Internet Routing Table:               10908
Transit-only ASes present in the Internet Routing Table:            547
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:                                     128
    Max AS path prepend of ASN ( 37447)                             125
Prefixes from unregistered ASNs in the Routing Table:              1063
    Number of instances of unregistered ASNs:                      1064
Number of 32-bit ASNs allocated by the RIRs:                      46308
Number of 32-bit ASNs visible in the Routing Table:               38203
Prefixes from 32-bit ASNs in the Routing Table:                  207663
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:            478
Number of addresses announced to Internet:                   3105849856
    Equivalent to 185 /8s, 31 /16s and 130 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      330472

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

Prefixes being announced by APNIC Region ASes:                   258684
    Total APNIC prefixes after maximum aggregation:               76768
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249796
    Unique aggregates announced from the APNIC address blocks:   103151
APNIC Region origin ASes present in the Internet Routing Table:   14584
    APNIC Prefixes per ASN:                                       17.13
APNIC Region origin ASes announcing only one prefix:               4446
APNIC Region transit ASes present in the Internet Routing Table:   1944
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:  10114
Number of APNIC addresses announced to Internet:              748459520
    Equivalent to 44 /8s, 156 /16s and 150 /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:                    292617
    Total ARIN prefixes after maximum aggregation:               129578
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           294147
    Unique aggregates announced from the ARIN address blocks:    138308
ARIN Region origin ASes present in the Internet Routing Table:    19214
    ARIN Prefixes per ASN:                                        15.31
ARIN Region origin ASes announcing only one prefix:                7029
ARIN Region transit ASes present in the Internet Routing Table:    1956
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5194
Number of ARIN addresses announced to Internet:              1348710400
    Equivalent to 80 /8s, 99 /16s and 176 /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:                    276998
    Total RIPE prefixes after maximum aggregation:               133805
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274503
    Unique aggregates announced from the RIPE address blocks:    174163
RIPE Region origin ASes present in the Internet Routing Table:    28949
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3966
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:   12432
Number of RIPE addresses announced to Internet:               731420416
    Equivalent to 43 /8s, 152 /16s and 151 /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:                  132348
    Total LACNIC prefixes after maximum aggregation:              29425
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128755
    Unique aggregates announced from the LACNIC address blocks:   48781
LACNIC Region origin ASes present in the Internet Routing Table:  11237
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2402
LACNIC Region transit ASes present in the Internet Routing Table:  2474
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:  9181
Number of LACNIC addresses announced to Internet:             171745792
    Equivalent to 10 /8s, 60 /16s and 162 /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:                  37913
    Total AfriNIC prefixes after maximum aggregation:              6859
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         51944
    Unique aggregates announced from the AfriNIC address blocks:  13961
AfriNIC Region origin ASes present in the Internet Routing Table:  1920
    AfriNIC Prefixes per ASN:                                     27.05
AfriNIC Region origin ASes announcing only one prefix:              659
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:                      128
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet:            105289216
    Equivalent to 6 /8s, 70 /16s and 150 /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        4298        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3678       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3273       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2859        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2189      11523     651  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       13213      39691    4245  AMAZON-02, US
   174        5558       8755     918  COGENT-174, US
 11492        4711        312     591  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3383       3034     178  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3253      54863    2504  DNIC-AS-00749, US
 16625        3073       1291    2244  AKAMAI-AS, US
396982        2966       3651     474  GOOGLE-CLOUD-PLATFORM, US
 36352        2762        226     845  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        7704       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4020       3395     126  AKAMAI-ASN1, NL
  9009        3777        326    1960  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2114        150    1555  CDNEXT, GB
  8452        1645       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1432        366      33  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       12050       3242     585  UNINET, MX
 10620        3521        485     995  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1995        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        1191        371      22  Telefonica del Peru S.A.A., PE
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1057         67     375  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        1594        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1431       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  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       13213      39691    4245  AMAZON-02, US
  8151       12050       3242     585  UNINET, MX
  9808       10451       8753      92  CHINAMOBILE-CN China Mobile Communication
 12479        7704       1714     148  UNI2-AS, ES
  7545        6211        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5558       8755     918  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4711        312     591  CABLEONE, US
 18403        4298        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        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       12050        11465  UNINET, MX
  9808       10451        10359  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7704         7556  UNI2-AS, ES
  7545        6211         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5558         4640  COGENT-174, US
 18403        4298         4273  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4237         3960  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    /15:2184    /16:13995   /17:8347    /18:13908   
/19:24780   /20:44284   /21:52535   /22:113353  /23:105771  /24:618190  
/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        6626        7704  UNI2-AS, ES
  8151        6233       12050  UNINET, MX
 11492        3531        4711  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2524        3383  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2349       13213  AMAZON-02, US
 30036        2230        2570  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2187        3521  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)
----------------------------------------------

   1:2346      2:1517      3:645       4:9         5:4974      6:162    
   7:6         8:1590      9:1        11:172      12:1365     13:357    
  14:2515     15:352      16:282      17:367      18:914      20:521    
  21:4        22:188      23:7524     24:2895     25:2        27:2775   
  29:19       31:3267     32:44       33:1        34:84       35:205    
  36:2493     37:4711     38:10311    39:907      40:169      41:4430   
  42:1945     43:2590     44:380      45:19238    46:5068     47:294    
  49:1943     50:1903     51:591      52:1551     54:301      55:1029   
  56:11       57:265      58:2205     59:1280     60:1169     61:2992   
  62:3015     63:1835     64:5520     65:2193     66:4712     67:3107   
  68:1146     69:4005     70:1094     71:628      72:2944     74:2801   
  75:1623     76:614      77:2832     78:1885     79:1762     80:2219   
  81:2070     82:3211     83:1445     84:1851     85:3416     86:1047   
  87:2406     88:1303     89:4344     90:783      91:8416     92:2724   
  93:2908     94:4091     95:4356     96:1474     97:312      98:995    
  99:668     100:72      101:1402    102:4301    103:32328   104:4828   
 105:1225    106:1044    107:2620    108:1212    109:4119    110:2229   
 111:3336    112:2051    113:1819    114:1968    115:2247    116:2079   
 117:2737    118:2815    119:1958    120:1885    121:1369    122:2774   
 123:2400    124:1588    125:2855    126:91      128:1597    129:1021   
 130:1321    131:2003    132:779     133:451     134:1547    135:377    
 136:1313    137:1128    138:3060    139:1614    140:1580    141:1494   
 142:1929    143:1692    144:1078    145:506     146:2164    147:2097   
 148:2689    149:2942    150:1265    151:1811    152:2118    153:565    
 154:8563    155:1670    156:3443    157:1887    158:1295    159:2437   
 160:3662    161:1916    162:3758    163:2124    164:1731    165:2228   
 166:1453    167:1900    168:4220    169:796     170:5320    171:1007   
 172:4422    173:3285    174:907     175:1303    176:3720    177:5452   
 178:3759    179:2461    180:2641    181:4200    182:3389    183:2038   
 184:2146    185:21721   186:5492    187:4812    188:4224    189:4433   
 190:9743    191:1938    192:11237   193:9491    194:7842    195:5625   
 196:3665    197:3802    198:6132    199:8512    200:8520    201:6454   
 202:10466   203:10692   204:4535    205:3601    206:4604    207:3452   
 208:4268    209:5206    210:4614    211:2531    212:4565    213:3762   
 214:1032    215:48      216:6754    217:3205    218:1349    219:386    
 220:2083    221:1058    222:720     223:2356   

End of report


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