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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jan 27 18:45:39 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Mon 27 Jan, 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:                              990446
    Prefixes after maximum aggregation (per Origin AS):          371401
    Deaggregation factor:                                          2.67
    Unique aggregates announced (without unneeded subnets):      472949
    Number of IPv4 prefixes with a valid ROA:                    535907
    Number of IPv4 prefixes with an invalid ROA:                    460
    Number of IPv4 prefixes with no ROA:                         454079
Total ASes present in the Internet Routing Table:                 76496
    Prefixes per ASN:                                             12.95
Origin-only ASes present in the Internet Routing Table:           65771
Origin ASes announcing only one prefix:                           26481
Transit ASes present in the Internet Routing Table:               10725
Transit-only ASes present in the Internet Routing Table:            519
Paths with bogon ASNs present in the IPv4 Routing Table:             36
Average AS path length visible in the Internet Routing Table:       7.2
    Max AS path length visible:                                     109
    Max AS path prepend of ASN (269289)                             101
Prefixes from unregistered ASNs in the Routing Table:              1110
    Number of instances of unregistered ASNs:                      1117
Number of 32-bit ASNs allocated by the RIRs:                      46076
Number of 32-bit ASNs visible in the Routing Table:               37689
Prefixes from 32-bit ASNs in the Routing Table:                  204093
Number of bogon 32-bit ASNs visible in the Routing Table:            38
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            534
Number of addresses announced to Internet:                   3115525120
    Equivalent to 185 /8s, 179 /16s and 36 /24s
    Percentage of available address space announced:               84.2
    Percentage of allocated address space announced:               84.2
    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:      326742

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

Prefixes being announced by APNIC Region ASes:                   256441
    Total APNIC prefixes after maximum aggregation:               76155
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          248101
    Unique aggregates announced from the APNIC address blocks:   102562
APNIC Region origin ASes present in the Internet Routing Table:   14424
    APNIC Prefixes per ASN:                                       17.20
APNIC Region origin ASes announcing only one prefix:               4411
APNIC Region transit ASes present in the Internet Routing Table:   1898
Average APNIC Region AS path length visible:                        7.4
    Max APNIC Region AS path length visible:                         42
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9949
Number of APNIC addresses announced to Internet:              755205376
    Equivalent to 45 /8s, 3 /16s and 133 /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, 131072-153913
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:                    289482
    Total ARIN prefixes after maximum aggregation:               126942
    ARIN Deaggregation factor:                                     2.28
Prefixes being announced from the ARIN address blocks:           291232
    Unique aggregates announced from the ARIN address blocks:    134404
ARIN Region origin ASes present in the Internet Routing Table:    19189
    ARIN Prefixes per ASN:                                        15.18
ARIN Region origin ASes announcing only one prefix:                7016
ARIN Region transit ASes present in the Internet Routing Table:    1929
Average ARIN Region AS path length visible:                         6.9
    Max ARIN Region AS path length visible:                          27
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5119
Number of ARIN addresses announced to Internet:              1345070336
    Equivalent to 80 /8s, 44 /16s and 37 /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:                    274476
    Total RIPE prefixes after maximum aggregation:               131753
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           271436
    Unique aggregates announced from the RIPE address blocks:    171377
RIPE Region origin ASes present in the Internet Routing Table:    28872
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12061
RIPE Region transit ASes present in the Internet Routing Table:    3896
Average RIPE Region AS path length visible:                         6.9
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12226
Number of RIPE addresses announced to Internet:               732921088
    Equivalent to 43 /8s, 175 /16s and 125 /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:                  132270
    Total LACNIC prefixes after maximum aggregation:              29070
    LACNIC Deaggregation factor:                                   4.55
Prefixes being announced from the LACNIC address blocks:         129400
    Unique aggregates announced from the LACNIC address blocks:   48822
LACNIC Region origin ASes present in the Internet Routing Table:  11189
    LACNIC Prefixes per ASN:                                      11.56
LACNIC Region origin ASes announcing only one prefix:              2333
LACNIC Region transit ASes present in the Internet Routing Table:  2478
Average LACNIC Region AS path length visible:                       7.7
    Max LACNIC Region AS path length visible:                       109
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9123
Number of LACNIC addresses announced to Internet:             177444864
    Equivalent to 10 /8s, 147 /16s and 152 /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:                  36667
    Total AfriNIC prefixes after maximum aggregation:              6787
    AfriNIC Deaggregation factor:                                  5.40
Prefixes being announced from the AfriNIC address blocks:         49743
    Unique aggregates announced from the AfriNIC address blocks:  15355
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     25.99
AfriNIC Region origin ASes announcing only one prefix:              660
AfriNIC Region transit ASes present in the Internet Routing Table:  369
Average AfriNIC Region AS path length visible:                      6.8
    Max AfriNIC Region AS path length visible:                       41
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272
Number of AfriNIC addresses announced to Internet:            104619776
    Equivalent to 6 /8s, 60 /16s and 95 /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       10335       8753      87  CHINAMOBILE-CN China Mobile Communication
  7545        6197        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4186        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4157        528     272  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3676       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3255       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2830        851     539  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2208        434     189  TATACOMM-AS TATA Communications formerly 
 45090        2171       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       12629      38877    3714  AMAZON-02, US
   174        6060       8759     880  COGENT-174, US
 11492        4696        312     551  CABLEONE, US
  7155        4176        287      86  VIASAT-SP-BACKBONE, US
  6327        3615       1320      81  SHAW, CA
 22773        3384       3033     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        2964       1275    2183  AKAMAI-AS, US
396982        2908       3657     446  GOOGLE-CLOUD-PLATFORM, US
 30036        2573        358     277  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        7741       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3970       3395     127  AKAMAI-ASN1, NL
  9009        3763        322    1907  M247, RO
 12389        2984       2302     890  ROSTELECOM-AS, RU
 34984        2370        361     579  TELLCOM-AS, TR
212238        1905        136    1405  CDNEXT, GB
  8452        1608       1852      14  TE-AS TE-AS, EG
 13188        1607        100      26  TRIOLAN, UA
 62240        1497         99     750  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       11712       3230     600  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2510        539     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1336       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1156        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1137        374     163  Axtel, S.A.B. de C.V., MX
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1108        371      22  Telefonica del Peru S.A.A., PE

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        1681        601      30  RAYA-AS, EG
 24863        1645        389      16  LINKdotNET-AS, EG
 29571        1546         97     106  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1288        199     339  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1018        523      45  Vodafone-, EG
 37069         839       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         554         82       3  KENET-AS, KE

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       12629      38877    3714  AMAZON-02, US
  8151       11712       3230     600  UNINET, MX
  9808       10335       8753      87  CHINAMOBILE-CN China Mobile Communication
 12479        7741       1711     144  UNI2-AS, ES
  7545        6197        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6060       8759     880  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4696        312     551  CABLEONE, US
 18403        4186        347      23  FPT-AS-AP FPT Telecom Company, VN
  7155        4176        287      86  VIASAT-SP-BACKBONE, US

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       11712        11112  UNINET, MX
  9808       10335        10248  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7741         7597  UNI2-AS, ES
  7545        6197         5540  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6060         5180  COGENT-174, US
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4186         4163  FPT-AS-AP FPT Telecom Company, VN
 11492        4696         4145  CABLEONE, US
  7155        4176         4090  VIASAT-SP-BACKBONE, US
  7552        3912         3887  VIETEL-AS-AP Viettel Group, VN

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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     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
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     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

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
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:      7922  COMCAST-7922, 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      /11:93      /12:309     
/13:589     /14:1232    /15:2192    /16:14021   /17:8332    /18:13869   
/19:24757   /20:44403   /21:52683   /22:113287  /23:104659  /24:609946  
/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        6702        7741  UNI2-AS, ES
  8151        5883       11712  UNINET, MX
 11492        3555        4696  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3124        4176  VIASAT-SP-BACKBONE, US
 22773        2519        3384  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2253       12629  AMAZON-02, US
 30036        2234        2573  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2179        3539  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)
----------------------------------------------

   1:2301      2:1537      3:565       4:9         5:4818      6:165    
   7:6         8:1548      9:1        11:172      12:1385     13:345    
  14:2494     15:339      16:270      17:360      18:908      20:457    
  21:4        22:188      23:7271     24:2776     25:2        27:2737   
  29:19       31:3135     32:47       34:74       35:184      36:2412   
  37:4634     38:10415    39:896      40:151      41:4418     42:1918   
  43:2537     44:347      45:18923    46:4996     47:293      49:1994   
  50:1858     51:588      52:1573     54:306      55:1084     56:9      
  57:246      58:2213     59:1187     60:1161     61:2881     62:3008   
  63:1841     64:5530     65:2216     66:4696     67:3058     68:1167   
  69:4052     70:1105     71:612      72:2927     74:2801     75:1641   
  76:624      77:2727     78:1860     79:1725     80:2231     81:2077   
  82:2070     83:1418     84:1806     85:3298     86:996      87:2443   
  88:1295     89:4366     90:756      91:8426     92:2792     93:2897   
  94:3935     95:4187     96:1294     97:308      98:988      99:738    
 100:71      101:1380    102:3990    103:32381   104:4654    105:1121   
 106:1013    107:2601    108:1173    109:4115    110:2214    111:3361   
 112:2051    113:1790    114:1945    115:2237    116:2041    117:2742   
 118:2771    119:1964    120:1874    121:1353    122:2753    123:2173   
 124:1596    125:2863    126:94      128:1614    129:1023    130:1286   
 131:1926    132:812     133:451     134:1515    135:342     136:1347   
 137:1110    138:3064    139:1591    140:1537    141:1497    142:1843   
 143:1630    144:1020    145:465     146:2140    147:2054    148:2593   
 149:2923    150:1205    151:1630    152:2106    153:570     154:8218   
 155:1567    156:3473    157:1877    158:1250    159:2422    160:3584   
 161:1841    162:3660    163:1798    164:1714    165:2191    166:1321   
 167:1891    168:4255    169:795     170:5281    171:1001    172:4136   
 173:3221    174:917     175:1288    176:3643    177:5577    178:3843   
 179:2373    180:2586    181:4108    182:3369    183:2024    184:2272   
 185:21596   186:5462    187:4729    188:4270    189:4323    190:9811   
 191:1976    192:11266   193:9393    194:7777    195:5580    196:3506   
 197:3720    198:6096    199:8312    200:8452    201:6427    202:10435  
 203:10673   204:4550    205:3628    206:4640    207:3501    208:4217   
 209:5151    210:4564    211:2511    212:4553    213:3803    214:1050   
 215:42      216:6656    217:3165    218:1352    219:388     220:2107   
 221:1054    222:715     223:2316   

End of report


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