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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 14 18:45:34 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 14 Mar, 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:                              996344
    Prefixes after maximum aggregation (per Origin AS):          374297
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476431
    Number of IPv4 prefixes with a valid ROA:                    547756
    Number of IPv4 prefixes with an invalid ROA:                   1528
    Number of IPv4 prefixes with no ROA:                         447060
Total ASes present in the Internet Routing Table:                 76701
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65822
Origin ASes announcing only one prefix:                           26509
Transit ASes present in the Internet Routing Table:               10879
Transit-only ASes present in the Internet Routing Table:            533
Paths with bogon ASNs present in the IPv4 Routing Table:             88
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1088
    Number of instances of unregistered ASNs:                      1093
Number of 32-bit ASNs allocated by the RIRs:                      46121
Number of 32-bit ASNs visible in the Routing Table:               37989
Prefixes from 32-bit ASNs in the Routing Table:                  206166
Number of bogon 32-bit ASNs visible in the Routing Table:            34
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            551
Number of addresses announced to Internet:                   3111291392
    Equivalent to 185 /8s, 114 /16s and 138 /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:      329067

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

Prefixes being announced by APNIC Region ASes:                   257795
    Total APNIC prefixes after maximum aggregation:               76127
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249541
    Unique aggregates announced from the APNIC address blocks:   102749
APNIC Region origin ASes present in the Internet Routing Table:   14516
    APNIC Prefixes per ASN:                                       17.19
APNIC Region origin ASes announcing only one prefix:               4419
APNIC Region transit ASes present in the Internet Routing Table:   1947
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10037
Number of APNIC addresses announced to Internet:              749488896
    Equivalent to 44 /8s, 172 /16s and 75 /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:                    291628
    Total ARIN prefixes after maximum aggregation:               128473
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292909
    Unique aggregates announced from the ARIN address blocks:    136509
ARIN Region origin ASes present in the Internet Routing Table:    19199
    ARIN Prefixes per ASN:                                        15.26
ARIN Region origin ASes announcing only one prefix:                7014
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5160
Number of ARIN addresses announced to Internet:              1352554496
    Equivalent to 80 /8s, 158 /16s and 88 /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:                    276091
    Total RIPE prefixes after maximum aggregation:               132801
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273765
    Unique aggregates announced from the RIPE address blocks:    173425
RIPE Region origin ASes present in the Internet Routing Table:    28930
    RIPE Prefixes per ASN:                                         9.46
RIPE Region origin ASes announcing only one prefix:               12065
RIPE Region transit ASes present in the Internet Routing Table:    3957
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12343
Number of RIPE addresses announced to Internet:               732308736
    Equivalent to 43 /8s, 166 /16s and 37 /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:                  132206
    Total LACNIC prefixes after maximum aggregation:              29323
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128731
    Unique aggregates announced from the LACNIC address blocks:   48795
LACNIC Region origin ASes present in the Internet Routing Table:  11210
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2348
LACNIC Region transit ASes present in the Internet Routing Table:  2465
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:  9167
Number of LACNIC addresses announced to Internet:             171510528
    Equivalent to 10 /8s, 57 /16s and 11 /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:                  37536
    Total AfriNIC prefixes after maximum aggregation:              6898
    AfriNIC Deaggregation factor:                                  5.44
Prefixes being announced from the AfriNIC address blocks:         50847
    Unique aggregates announced from the AfriNIC address blocks:  14495
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     26.51
AfriNIC Region origin ASes announcing only one prefix:              663
AfriNIC Region transit ASes present in the Internet Routing Table:  383
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet:            105168896
    Equivalent to 6 /8s, 68 /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       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6208        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4367        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4257        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3272       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2841        847     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2169        434     194  TATACOMM-AS TATA Communications formerly 

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       12941      39644    3958  AMAZON-02, US
   174        5517       8766     957  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3380       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3038       1282    2211  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2546        350     418  MEDIACOM-ENTERPRISE-BUSINESS, 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        7753       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3984       3395     128  AKAMAI-ASN1, NL
  9009        3772        323    1945  M247, RO
 12389        3000       2303     890  ROSTELECOM-AS, RU
 34984        2369        361     582  TELLCOM-AS, TR
212238        2041        147    1506  CDNEXT, GB
  8452        1607       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1485         98     744  CLOUVIDER Clouvider - Global ASN, GB

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       11858       3241     583  UNINET, MX
 10620        3524        487     971  Telmex Colombia S.A., CO
 13999        2507        539     368  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1196        371      22  Telefonica del Peru S.A.A., PE
 11664        1156        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1118         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1092        359     174  Axtel, S.A.B. de C.V., MX

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        1683        599      30  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1576        104      71  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1293        202     343  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 37069         855       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         561        661     320  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       12941      39644    3958  AMAZON-02, US
  8151       11858       3241     583  UNINET, MX
  9808       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7753       1714     145  UNI2-AS, ES
  7545        6208        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5517       8766     957  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4367        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4257        530     276  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       11858        11275  UNINET, MX
  9808       10323        10235  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7753         7608  UNI2-AS, ES
  7545        6208         5553  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5517         4560  COGENT-174, US
 18403        4367         4342  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4257         3981  BBIL-AP BHARTI Airtel Ltd., IN

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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     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

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
23.138.40.0/22       Origin:       964  IONSWITCH-NW, US
23.138.40.0/22      Transit:     20055  AS-WHOLESAIL, US
23.138.41.0/24       Origin:       964  IONSWITCH-NW, US
23.138.41.0/24      Transit:     20055  AS-WHOLESAIL, 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

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      /10:42      /11:92      /12:304     
/13:586     /14:1229    /15:2188    /16:14037   /17:8369    /18:13922   
/19:24781   /20:44361   /21:52527   /22:113290  /23:105241  /24:615343  
/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        6691        7753  UNI2-AS, ES
  8151        6030       11858  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2517        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2340       12941  AMAZON-02, US
 30036        2207        2546  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3524  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)
----------------------------------------------

   1:2362      2:1526      3:594       4:10        5:4870      6:162    
   7:6         8:1551      9:1        11:172      12:1374     13:348    
  14:2509     15:349      16:279      17:363      18:922      20:469    
  21:4        22:188      23:7352     24:3063     25:2        27:2743   
  29:19       31:3241     32:43       34:83       35:203      36:2408   
  37:4650     38:10267    39:899      40:154      41:4497     42:1967   
  43:2574     44:357      45:19235    46:5059     47:288      49:1994   
  50:1892     51:590      52:1556     54:301      55:1071     56:9      
  57:255      58:2196     59:1246     60:1165     61:3011     62:3006   
  63:1846     64:5527     65:2182     66:4689     67:3047     68:1115   
  69:3992     70:1112     71:623      72:2934     74:2808     75:1658   
  76:613      77:2813     78:1867     79:1735     80:2229     81:2039   
  82:2805     83:1414     84:1819     85:3376     86:1037     87:2423   
  88:1298     89:4340     90:784      91:8410     92:2795     93:2899   
  94:3930     95:4270     96:1415     97:313      98:986      99:738    
 100:71      101:1394    102:4116    103:32447   104:4834    105:1209   
 106:998     107:2598    108:1207    109:4164    110:2232    111:3328   
 112:2042    113:1810    114:1946    115:2206    116:2077    117:2757   
 118:2799    119:1966    120:1880    121:1366    122:2764    123:2320   
 124:1586    125:2890    126:88      128:1583    129:1035    130:1303   
 131:1923    132:788     133:451     134:1529    135:374     136:1294   
 137:1122    138:3053    139:1624    140:1562    141:1474    142:1850   
 143:1665    144:1066    145:485     146:2163    147:2091    148:2614   
 149:2952    150:1254    151:2119    152:2122    153:574     154:8115   
 155:1646    156:3312    157:1922    158:1270    159:2426    160:3622   
 161:1977    162:3698    163:1910    164:1735    165:2206    166:1398   
 167:1906    168:4242    169:801     170:5312    171:1000    172:4459   
 173:3251    174:911     175:1281    176:3728    177:5508    178:3869   
 179:2488    180:2617    181:4164    182:3370    183:2052    184:2304   
 185:21697   186:5403    187:4784    188:4243    189:4363    190:9826   
 191:1947    192:11173   193:9456    194:7835    195:5641    196:3583   
 197:3817    198:6132    199:8396    200:8516    201:6423    202:10502  
 203:10691   204:4514    205:3639    206:4618    207:3457    208:4195   
 209:5188    210:4596    211:2524    212:4553    213:3803    214:1056   
 215:42      216:6634    217:3168    218:1346    219:387     220:2102   
 221:1056    222:716     223:2320   

End of report


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