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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 3 18:45:25 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 03 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:                             1000000
    Prefixes after maximum aggregation (per Origin AS):          377353
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      478774
    Number of IPv4 prefixes with a valid ROA:                    555708
    Number of IPv4 prefixes with an invalid ROA:                    540
    Number of IPv4 prefixes with no ROA:                         443751
Total ASes present in the Internet Routing Table:                 76817
    Prefixes per ASN:                                             13.02
Origin-only ASes present in the Internet Routing Table:           65913
Origin ASes announcing only one prefix:                           26597
Transit ASes present in the Internet Routing Table:               10904
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:                                      81
    Max AS path prepend of ASN ( 37447)                              78
Prefixes from unregistered ASNs in the Routing Table:              1062
    Number of instances of unregistered ASNs:                      1063
Number of 32-bit ASNs allocated by the RIRs:                      46319
Number of 32-bit ASNs visible in the Routing Table:               38205
Prefixes from 32-bit ASNs in the Routing Table:                  207742
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:            472
Number of addresses announced to Internet:                   3105635584
    Equivalent to 185 /8s, 28 /16s and 61 /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:      330450

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

Prefixes being announced by APNIC Region ASes:                   258837
    Total APNIC prefixes after maximum aggregation:               76831
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249842
    Unique aggregates announced from the APNIC address blocks:   103162
APNIC Region origin ASes present in the Internet Routing Table:   14579
    APNIC Prefixes per ASN:                                       17.14
APNIC Region origin ASes announcing only one prefix:               4447
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:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10108
Number of APNIC addresses announced to Internet:              748450816
    Equivalent to 44 /8s, 156 /16s and 116 /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:                    292624
    Total ARIN prefixes after maximum aggregation:               129680
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           294175
    Unique aggregates announced from the ARIN address blocks:    138336
ARIN Region origin ASes present in the Internet Routing Table:    19217
    ARIN Prefixes per ASN:                                        15.31
ARIN Region origin ASes announcing only one prefix:                7032
ARIN Region transit ASes present in the Internet Routing Table:    1955
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:    5197
Number of ARIN addresses announced to Internet:              1348589056
    Equivalent to 80 /8s, 97 /16s and 214 /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:                    277021
    Total RIPE prefixes after maximum aggregation:               133868
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274524
    Unique aggregates announced from the RIPE address blocks:    174225
RIPE Region origin ASes present in the Internet Routing Table:    28950
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12051
RIPE Region transit ASes present in the Internet Routing Table:    3954
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:               731442688
    Equivalent to 43 /8s, 152 /16s and 238 /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:                  132465
    Total LACNIC prefixes after maximum aggregation:              29483
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128828
    Unique aggregates announced from the LACNIC address blocks:   48719
LACNIC Region origin ASes present in the Internet Routing Table:  11234
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2405
LACNIC Region transit ASes present in the Internet Routing Table:  2483
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:  9180
Number of LACNIC addresses announced to Internet:             171667200
    Equivalent to 10 /8s, 59 /16s and 111 /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:                  37991
    Total AfriNIC prefixes after maximum aggregation:              6862
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         52159
    Unique aggregates announced from the AfriNIC address blocks:  13943
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     27.18
AfriNIC Region origin ASes announcing only one prefix:              662
AfriNIC Region transit ASes present in the Internet Routing Table:  375
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       81
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet:            105261824
    Equivalent to 6 /8s, 70 /16s and 43 /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        4301        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     276  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       13237      39693    4351  AMAZON-02, US
   174        5499       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        3367       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        7725       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        2123        150    1565  CDNEXT, GB
  8452        1647       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       12064       3243     585  UNINET, MX
 10620        3486        482    1051  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        1190        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        1745        633      30  RAYA-AS, EG
 24863        1650        389      16  LINKdotNET-AS, EG
 29571        1594        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1414       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1025        521      42  Vodafone-, 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       13237      39693    4351  AMAZON-02, US
  8151       12064       3243     585  UNINET, MX
  9808       10451       8753      92  CHINAMOBILE-CN China Mobile Communication
 12479        7725       1714     148  UNI2-AS, ES
  7545        6212        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5499       8754     916  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4711        312     591  CABLEONE, US
 18403        4301        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     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       12064        11479  UNINET, MX
  9808       10451        10359  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7725         7577  UNI2-AS, ES
  7545        6212         5560  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5499         4583  COGENT-174, US
 18403        4301         4276  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4237         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     /14:1227    /15:2184    /16:13996   /17:8347    /18:13905   
/19:24788   /20:44472   /21:52557   /22:113410  /23:105796  /24:618269  
/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        6647        7725  UNI2-AS, ES
  8151        6246       12064  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        2517        3367  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2333       13237  AMAZON-02, US
 30036        2230        2570  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2155        3486  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)
----------------------------------------------

   1:2341      2:1516      3:664       4:9         5:4978      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      23:7518     24:2893     25:2        27:2776   
  29:19       31:3281     32:44       33:1        34:84       35:203    
  36:2491     37:4703     38:10277    39:907      40:167      41:4373   
  42:1958     43:2589     44:378      45:19274    46:5069     47:294    
  49:1943     50:1895     51:591      52:1553     54:302      55:1083   
  56:11       57:266      58:2205     59:1281     60:1169     61:2990   
  62:3016     63:1834     64:5521     65:2181     66:4717     67:3109   
  68:1145     69:4007     70:1092     71:628      72:2944     74:2799   
  75:1624     76:614      77:2830     78:1886     79:1752     80:2220   
  81:2055     82:3207     83:1447     84:1854     85:3420     86:1049   
  87:2412     88:1303     89:4343     90:784      91:8417     92:2730   
  93:2905     94:4103     95:4359     96:1473     97:312      98:994    
  99:669     100:72      101:1403    102:4292    103:32333   104:4820   
 105:1225    106:1043    107:2621    108:1213    109:4121    110:2229   
 111:3336    112:2051    113:1817    114:1968    115:2248    116:2078   
 117:2736    118:2810    119:1958    120:1884    121:1368    122:2774   
 123:2403    124:1589    125:2853    126:91      128:1593    129:1017   
 130:1319    131:1997    132:775     133:451     134:1546    135:377    
 136:1308    137:1120    138:3070    139:1620    140:1582    141:1493   
 142:1933    143:1692    144:1076    145:509     146:2169    147:2099   
 148:2687    149:2947    150:1263    151:1817    152:2119    153:563    
 154:8606    155:1680    156:3468    157:1889    158:1291    159:2437   
 160:3657    161:1919    162:3732    163:2129    164:1729    165:2228   
 166:1467    167:1907    168:4201    169:796     170:5324    171:1007   
 172:4425    173:3282    174:908     175:1304    176:3722    177:5414   
 178:3757    179:2450    180:2640    181:4190    182:3388    183:2040   
 184:2146    185:21720   186:5514    187:4768    188:4227    189:4442   
 190:9835    191:1941    192:11236   193:9497    194:7840    195:5627   
 196:3664    197:3795    198:6131    199:8501    200:8524    201:6452   
 202:10473   203:10701   204:4526    205:3597    206:4607    207:3451   
 208:4271    209:5208    210:4612    211:2531    212:4561    213:3755   
 214:1031    215:48      216:6758    217:3210    218:1349    219:386    
 220:2084    221:1058    222:720     223:2356   

End of report


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