[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Thu Dec 12 20:17:01 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 12 Dec, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

Analysis Summary
----------------

BGP routing table entries examined:                              259796
    Prefixes after maximum aggregation (per Origin AS):          113686
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      135875
    Number of IPv4 prefixes with a valid ROA:                    115717
    Number of IPv4 prefixes with an invalid ROA:                     21
    Number of IPv4 prefixes with no ROA:                         144058
Total ASes present in the Internet Routing Table:                 20448
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           17582
Origin ASes announcing only one prefix:                            7857
Transit ASes present in the Internet Routing Table:                2866
Transit-only ASes present in the Internet Routing Table:            729
Paths with bogon ASNs present in the IPv4 Routing Table:              6
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      27
    Max AS path prepend of ASN (273217)                              20
Prefixes from unregistered ASNs in the Routing Table:               325
    Number of instances of unregistered ASNs:                       326
Number of 32-bit ASNs allocated by the RIRs:                      45972
Number of 32-bit ASNs visible in the Routing Table:                7899
Prefixes from 32-bit ASNs in the Routing Table:                   29577
Number of bogon 32-bit ASNs visible in the Routing Table:             4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            158
Number of addresses announced to Internet:                   1583154173
    Equivalent to 94 /8s, 93 /16s and 3 /24s
    Percentage of available address space announced:               42.8
    Percentage of allocated address space announced:               42.8
    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:       82789

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

Prefixes being announced by APNIC Region ASes:                    31656
    Total APNIC prefixes after maximum aggregation:                7674
    APNIC Deaggregation factor:                                    4.13
Prefixes being announced from the APNIC address blocks:           30949
    Unique aggregates announced from the APNIC address blocks:     8679
APNIC Region origin ASes present in the Internet Routing Table:    1188
    APNIC Prefixes per ASN:                                       26.05
APNIC Region origin ASes announcing only one prefix:                464
APNIC Region transit ASes present in the Internet Routing Table:    214
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    513
Number of APNIC addresses announced to Internet:              173352300
    Equivalent to 10 /8s, 85 /16s and 37 /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:                    117992
    Total ARIN prefixes after maximum aggregation:                60844
    ARIN Deaggregation factor:                                     1.94
Prefixes being announced from the ARIN address blocks:           116701
    Unique aggregates announced from the ARIN address blocks:     60623
ARIN Region origin ASes present in the Internet Routing Table:     9069
    ARIN Prefixes per ASN:                                        12.87
ARIN Region origin ASes announcing only one prefix:                3755
ARIN Region transit ASes present in the Internet Routing Table:     853
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2033
Number of ARIN addresses announced to Internet:               953392001
    Equivalent to 56 /8s, 211 /16s and 155 /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:                     50626
    Total RIPE prefixes after maximum aggregation:                27017
    RIPE Deaggregation factor:                                     1.87
Prefixes being announced from the RIPE address blocks:            52002
    Unique aggregates announced from the RIPE address blocks:     37663
RIPE Region origin ASes present in the Internet Routing Table:     4789
    RIPE Prefixes per ASN:                                        10.86
RIPE Region origin ASes announcing only one prefix:                2040
RIPE Region transit ASes present in the Internet Routing Table:     705
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1888
Number of RIPE addresses announced to Internet:               317542608
    Equivalent to 18 /8s, 237 /16s and 80 /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:                   48736
    Total LACNIC prefixes after maximum aggregation:              14870
    LACNIC Deaggregation factor:                                   3.28
Prefixes being announced from the LACNIC address blocks:          47534
    Unique aggregates announced from the LACNIC address blocks:   22732
LACNIC Region origin ASes present in the Internet Routing Table:   4220
    LACNIC Prefixes per ASN:                                      11.26
LACNIC Region origin ASes announcing only one prefix:              1467
LACNIC Region transit ASes present in the Internet Routing Table:   872
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3304
Number of LACNIC addresses announced to Internet:              98854208
    Equivalent to 5 /8s, 228 /16s and 101 /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:                  10461
    Total AfriNIC prefixes after maximum aggregation:              3054
    AfriNIC Deaggregation factor:                                  3.43
Prefixes being announced from the AfriNIC address blocks:         12452
    Unique aggregates announced from the AfriNIC address blocks:   6047
AfriNIC Region origin ASes present in the Internet Routing Table:   316
    AfriNIC Prefixes per ASN:                                     39.41
AfriNIC Region origin ASes announcing only one prefix:              131
AfriNIC Region transit ASes present in the Internet Routing Table:   85
Average AfriNIC Region AS path length visible:                      6.4
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  161
Number of AfriNIC addresses announced to Internet:             39936256
    Equivalent to 2 /8s, 97 /16s and 97 /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        9906       8753      87  CHINAMOBILE-CN China Mobile Communication
 56046        1565        804     184  CMNET-JIANGSU-AP China Mobile communicati
 56041        1494        714      78  CMNET-ZHEJIANG-AP China Mobile communicat
 56047        1491        192      50  CMNET-HUNAN-AP China Mobile communication
 24547         829        177      49  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         777        501      74  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         602       2200     463  SINET-AS Research Organization of Informa
 17676         520       9903     160  GIGAINFRA SoftBank Corp., JP
 56040         484        488     105  CMNET-GUANGDONG-AP China Mobile communica
 24445         467        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Communic

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12519      38019    2992  AMAZON-02, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3197      23504    2042  ATT-INTERNET4, US
   367        2508       2998    1188  DNIC-ASBLK-00306-00371, US
 22773        2467       2081     708  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2283        155    1404  USDA-1, US
 11776        1879        257     218  ATLANTICBB-JOHNSTOWN, US
  6167        1746       3399     440  CELLCO-PART, US
   209        1668       4895     294  CENTURYLINK-US-LEGACY-QWEST, US
 36352        1570        164     791  AS-COLOCROSSING, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        1872        126      49  ALJAWWALSTC-AS, SA
 20940        1265         99    1023  AKAMAI-ASN1, NL
  3215         889       4814     285  France Telecom - Orange, FR
  3257         785       2071     686  GTT-BACKBONE GTT, US
  8386         705        109     211  KOCNET, TR
  8452         666       1842      17  TE-AS TE-AS, EG
 25019         613        998     130  SAUDINETSTC-AS, SA
  8376         589         55      26  Jordan Data Communications, JO
  3320         579       8322     490  DTAG Internet service provider operations
212238         577         42     512  CDNEXT, GB

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5947       1688     855  UNINET, MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 10620        1687        252    1197  Telmex Colombia S.A., CO
  3816        1324        777     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1113        371      22  Telefonica del Peru S.A.A., PE
 26615         997       2503      53  TIM SA, BR
 18881         868       1128      28  TELEFONICA BRASIL S.A, BR
 27651         667         93      49  ENTEL CHILE S.A., CL
 28006         647         77     295  CORPORACION NACIONAL DE TELECOMUNICACIONE
 26599         546       2888      72  TELEFONICA BRASIL S.A, BR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1488        389      16  LINKdotNET-AS, EG
 29571        1119         77     332  ORANGE-COTE-IVOIRE, CI
 20011         965        179     271  INTERNET-SOLUTIONS, ZA
 24835         707        355     147  RAYA-AS, EG
 37069         588       1047      14  MOBINIL, EG
 36992         585        982     267  ETISALAT-MISR, EG
 36914         544         82       3  KENET-AS, KE
 36903         447        210     308  MT-MPLS, MA
 36935         437        101     164  Vodafone-, EG
  2018         378        319      71  TENET-1, ZA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12519      38019    2992  AMAZON-02, US
  9808        9906       8753      87  CHINAMOBILE-CN China Mobile Communication
  8151        5947       1688     855  UNINET, MX
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3197      23504    2042  ATT-INTERNET4, US
   367        2508       2998    1188  DNIC-ASBLK-00306-00371, US
 22773        2467       2081     708  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2283        155    1404  USDA-1, US
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 11776        1879        257     218  ATLANTICBB-JOHNSTOWN, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9906         9819  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5947         5092  UNINET, MX
 11830        1993         1929  Instituto Costarricense de Electricidad y Telec
 39891        1872         1823  ALJAWWALSTC-AS, SA
 22773        2467         1759  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1879         1661  ATLANTICBB-JOHNSTOWN, US
 24863        1488         1472  LINKdotNET-AS, EG
 56047        1491         1441  CMNET-HUNAN-AP China Mobile communications corp
 56041        1494         1416  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1565         1381  CMNET-JIANGSU-AP China Mobile communications co

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
     53966  UNALLOCATED  8.39.98.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
    399953  UNALLOCATED  12.9.122.0/24             7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
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
23.140.216.0/24      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

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:13       /9:10      /10:34      /11:40      /12:151     
/13:211     /14:570     /15:1133    /16:7719    /17:3464    /18:4196    
/19:7718    /20:12423   /21:15229   /22:27885   /23:27692   /24:151118  
/25:42      /26:65      /27:36      /28:17      /29:16      /30:10      
/31:0       /32:4       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
  8151        3130        5947  UNINET, MX
 16509        2282       12519  AMAZON-02, US
 22773        1867        2467  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1691        1993  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1468        3197  ATT-INTERNET4, US
 39891        1017        1872  ALJAWWALSTC-AS, SA
   209         947        1668  CENTURYLINK-US-LEGACY-QWEST, US
 10620         940        1687  Telmex Colombia S.A., CO
 11776         892        1879  ATLANTICBB-JOHNSTOWN, US
 19901         887        1064  BRSPD-PUBLIC, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:65        2:488       3:521       4:5         5:817       6:153    
   7:5         8:667      11:171      12:982      13:306      14:122    
  15:293      16:234      17:5        18:874      20:146      21:4      
  22:188      23:2242     24:696      27:36       29:19       31:486    
  32:19       34:9        35:107      36:1223     37:594      38:1957   
  39:525      40:52       41:1081     42:218      43:209      44:31     
  45:3768     46:994      47:143      49:29       50:344      51:369    
  52:1391     54:294      55:1037     56:8        57:17       58:32     
  59:29       60:15       61:74       62:542      63:768      64:1743   
  65:1134     66:1547     67:927      68:539      69:1176     70:301    
  71:207      72:585      74:913      75:432      76:256      77:383    
  78:298      79:291      80:326      81:407      82:349      83:197    
  84:352      85:526      86:229      87:225      88:262      89:887    
  90:95       91:1057     92:616      93:447      94:902      95:538    
  96:217      97:55       98:456      99:162     100:34      101:28     
 102:367     103:1184    104:1019    105:143     106:62      107:1254   
 108:490     109:384     110:38      111:1874    112:466     113:43     
 114:55      115:20      116:50      117:987     118:171     119:119    
 120:1152    121:43      122:141     123:151     124:53      125:22     
 128:441     129:324     130:672     131:943     132:565     133:210    
 134:476     135:112     136:584     137:591     138:1000    139:401    
 140:671     141:450     142:927     143:701     144:412     145:89     
 146:673     147:487     148:739     149:651     150:308     151:641    
 152:663     153:136     154:942     155:753     156:827     157:385    
 158:471     159:673     160:909     161:615     162:902     163:409    
 164:741     165:806     166:607     167:638     168:1528    169:147    
 170:1593    171:102     172:1176    173:800     174:227     175:53     
 176:427     177:1127    178:528     179:811     180:78      181:1867   
 182:52      183:869     184:444     185:3358    186:2312    187:1059   
 188:825     189:1446    190:4970    191:467     192:4922    193:1933   
 194:1408    195:1034    196:798     197:1649    198:2560    199:4630   
 200:3902    201:3263    202:1099    203:694     204:2090    205:1968   
 206:1577    207:1426    208:1304    209:1970    210:313     211:428    
 212:1026    213:945     214:1019    215:42      216:2404    217:503    
 218:521     219:22      220:30      221:301     222:29      223:706    


End of report


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