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

REN Routing Table Report cscora at bgp.nsrc.org
Sun May 4 18:45:26 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sun 04 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:                             1000095
    Prefixes after maximum aggregation (per Origin AS):          377371
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      478899
    Number of IPv4 prefixes with a valid ROA:                    555840
    Number of IPv4 prefixes with an invalid ROA:                    532
    Number of IPv4 prefixes with no ROA:                         443722
Total ASes present in the Internet Routing Table:                 76825
    Prefixes per ASN:                                             13.02
Origin-only ASes present in the Internet Routing Table:           65928
Origin ASes announcing only one prefix:                           26606
Transit ASes present in the Internet Routing Table:               10897
Transit-only ASes present in the Internet Routing Table:            543
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:              1066
    Number of instances of unregistered ASNs:                      1067
Number of 32-bit ASNs allocated by the RIRs:                      46334
Number of 32-bit ASNs visible in the Routing Table:               38215
Prefixes from 32-bit ASNs in the Routing Table:                  207853
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:            471
Number of addresses announced to Internet:                   3110296576
    Equivalent to 185 /8s, 99 /16s and 92 /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:      330657

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

Prefixes being announced by APNIC Region ASes:                   258833
    Total APNIC prefixes after maximum aggregation:               76841
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249850
    Unique aggregates announced from the APNIC address blocks:   103165
APNIC Region origin ASes present in the Internet Routing Table:   14585
    APNIC Prefixes per ASN:                                       17.13
APNIC Region origin ASes announcing only one prefix:               4450
APNIC Region transit ASes present in the Internet Routing Table:   1945
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:  10115
Number of APNIC addresses announced to Internet:              748451072
    Equivalent to 44 /8s, 156 /16s and 117 /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:                    292708
    Total ARIN prefixes after maximum aggregation:               129740
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           294261
    Unique aggregates announced from the ARIN address blocks:    138419
ARIN Region origin ASes present in the Internet Routing Table:    19219
    ARIN Prefixes per ASN:                                        15.31
ARIN Region origin ASes announcing only one prefix:                7035
ARIN Region transit ASes present in the Internet Routing Table:    1954
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:    5198
Number of ARIN addresses announced to Internet:              1353221632
    Equivalent to 80 /8s, 168 /16s and 134 /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:                    277099
    Total RIPE prefixes after maximum aggregation:               133890
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274579
    Unique aggregates announced from the RIPE address blocks:    174222
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:               12056
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:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12439
Number of RIPE addresses announced to Internet:               731449856
    Equivalent to 43 /8s, 153 /16s and 10 /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:                  132516
    Total LACNIC prefixes after maximum aggregation:              29416
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128889
    Unique aggregates announced from the LACNIC address blocks:   48771
LACNIC Region origin ASes present in the Internet Routing Table:  11232
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2405
LACNIC Region transit ASes present in the Internet Routing Table:  2475
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:  9179
Number of LACNIC addresses announced to Internet:             171685888
    Equivalent to 10 /8s, 59 /16s and 184 /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:                  37873
    Total AfriNIC prefixes after maximum aggregation:              6853
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         52045
    Unique aggregates announced from the AfriNIC address blocks:  13934
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     27.12
AfriNIC Region origin ASes announcing only one prefix:              660
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: 1284
Number of AfriNIC addresses announced to Internet:            105268224
    Equivalent to 6 /8s, 70 /16s and 68 /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        6212        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4297        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4238        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        2190      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       13305      40825    4404  AMAZON-02, US
   174        5501       8754     916  COGENT-174, US
 11492        4711        312     591  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3366       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54863    2505  DNIC-AS-00749, US
 16625        3074       1291    2245  AKAMAI-AS, US
396982        2955       3657     469  GOOGLE-CLOUD-PLATFORM, US
 36352        2772        227     850  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        4022       3395     126  AKAMAI-ASN1, NL
  9009        3797        328    1976  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2120        149    1562  CDNEXT, GB
  8452        1647       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1426        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       12063       3243     584  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        1594        102      22  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        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       13305      40825    4404  AMAZON-02, US
  8151       12063       3243     584  UNINET, MX
  9808       10451       8753      92  CHINAMOBILE-CN China Mobile Communication
 12479        7723       1714     148  UNI2-AS, ES
  7545        6212        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5501       8754     916  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4711        312     591  CABLEONE, US
 18403        4297        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4238        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       12063        11479  UNINET, MX
  9808       10451        10359  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7723         7575  UNI2-AS, ES
  7545        6212         5560  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5501         4585  COGENT-174, US
 18403        4297         4272  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4238         3961  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4022         3896  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     /14:1228    /15:2185    /16:14062   /17:8347    /18:13912   
/19:24788   /20:44281   /21:52539   /22:113367  /23:105809  /24:618528  
/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        6246       12063  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        2516        3366  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2340       13305  AMAZON-02, US
 30036        2230        2570  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)
----------------------------------------------

   1:2344      2:1518      3:668       4:9         5:4979      6:162    
   7:6         8:1580      9:1        11:172      12:1365     13:365    
  14:2515     15:352      16:282      17:367      18:917      20:522    
  21:4        22:188      23:7522     24:2892     25:2        27:2776   
  29:19       31:3282     32:44       33:1        34:84       35:203    
  36:2493     37:4704     38:10282    39:907      40:167      41:4415   
  42:1949     43:2592     44:379      45:19277    46:5061     47:294    
  49:1944     50:1894     51:591      52:1553     54:302      55:1085   
  56:11       57:266      58:2205     59:1280     60:1169     61:2993   
  62:3017     63:1833     64:5521     65:2188     66:4717     67:3106   
  68:1144     69:4006     70:1091     71:628      72:2944     74:2802   
  75:1624     76:614      77:2830     78:1884     79:1758     80:2219   
  81:2069     82:3206     83:1446     84:1855     85:3418     86:1050   
  87:2411     88:1303     89:4346     90:784      91:8414     92:2730   
  93:2906     94:4102     95:4358     96:1472     97:312      98:995    
  99:671     100:72      101:1407    102:4289    103:32348   104:4818   
 105:1225    106:1031    107:2621    108:1213    109:4119    110:2229   
 111:3337    112:2052    113:1817    114:1968    115:2249    116:2078   
 117:2736    118:2815    119:1958    120:1884    121:1367    122:2774   
 123:2404    124:1589    125:2853    126:91      128:1597    129:1017   
 130:1321    131:1997    132:776     133:451     134:1546    135:377    
 136:1310    137:1122    138:3068    139:1619    140:1582    141:1495   
 142:1928    143:1694    144:1076    145:509     146:2166    147:2099   
 148:2694    149:2947    150:1265    151:1821    152:2119    153:563    
 154:8597    155:1679    156:3475    157:1889    158:1294    159:2437   
 160:3648    161:1919    162:3738    163:2126    164:1730    165:2228   
 166:1467    167:1906    168:4220    169:795     170:5323    171:1007   
 172:4425    173:3285    174:908     175:1304    176:3723    177:5474   
 178:3757    179:2457    180:2640    181:4194    182:3389    183:2038   
 184:2146    185:21721   186:5526    187:4824    188:4227    189:4440   
 190:9832    191:1927    192:11237   193:9497    194:7847    195:5628   
 196:3665    197:3809    198:6131    199:8503    200:8516    201:6443   
 202:10470   203:10700   204:4526    205:3610    206:4602    207:3451   
 208:4278    209:5207    210:4612    211:2531    212:4562    213:3756   
 214:1028    215:48      216:6762    217:3210    218:1349    219:386    
 220:2084    221:1058    222:720     223:2356   

End of report


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