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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Dec 11 20:17:01 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 11 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:                              259956
    Prefixes after maximum aggregation (per Origin AS):          113927
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      135817
    Number of IPv4 prefixes with a valid ROA:                    115408
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         144528
Total ASes present in the Internet Routing Table:                 20508
    Prefixes per ASN:                                             12.68
Origin-only ASes present in the Internet Routing Table:           17613
Origin ASes announcing only one prefix:                            7892
Transit ASes present in the Internet Routing Table:                2895
Transit-only ASes present in the Internet Routing Table:            730
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:               322
    Number of instances of unregistered ASNs:                       323
Number of 32-bit ASNs allocated by the RIRs:                      45969
Number of 32-bit ASNs visible in the Routing Table:                7930
Prefixes from 32-bit ASNs in the Routing Table:                   29616
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:            156
Number of addresses announced to Internet:                   1583318013
    Equivalent to 94 /8s, 95 /16s and 131 /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:       83106

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

Prefixes being announced by APNIC Region ASes:                    31685
    Total APNIC prefixes after maximum aggregation:                7674
    APNIC Deaggregation factor:                                    4.13
Prefixes being announced from the APNIC address blocks:           30970
    Unique aggregates announced from the APNIC address blocks:     8681
APNIC Region origin ASes present in the Internet Routing Table:    1193
    APNIC Prefixes per ASN:                                       25.96
APNIC Region origin ASes announcing only one prefix:                469
APNIC Region transit ASes present in the Internet Routing Table:    218
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:    518
Number of APNIC addresses announced to Internet:              173360236
    Equivalent to 10 /8s, 85 /16s and 68 /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:                    117645
    Total ARIN prefixes after maximum aggregation:                60830
    ARIN Deaggregation factor:                                     1.93
Prefixes being announced from the ARIN address blocks:           116366
    Unique aggregates announced from the ARIN address blocks:     60213
ARIN Region origin ASes present in the Internet Routing Table:     9056
    ARIN Prefixes per ASN:                                        12.85
ARIN Region origin ASes announcing only one prefix:                3750
ARIN Region transit ASes present in the Internet Routing Table:     850
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          18
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2031
Number of ARIN addresses announced to Internet:               953441921
    Equivalent to 56 /8s, 212 /16s and 94 /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:                     50936
    Total RIPE prefixes after maximum aggregation:                27129
    RIPE Deaggregation factor:                                     1.88
Prefixes being announced from the RIPE address blocks:            52291
    Unique aggregates announced from the RIPE address blocks:     37839
RIPE Region origin ASes present in the Internet Routing Table:     4835
    RIPE Prefixes per ASN:                                        10.82
RIPE Region origin ASes announcing only one prefix:                2064
RIPE Region transit ASes present in the Internet Routing Table:     719
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:    1905
Number of RIPE addresses announced to Internet:               317511888
    Equivalent to 18 /8s, 236 /16s and 216 /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:                   48698
    Total LACNIC prefixes after maximum aggregation:              14965
    LACNIC Deaggregation factor:                                   3.25
Prefixes being announced from the LACNIC address blocks:          47503
    Unique aggregates announced from the LACNIC address blocks:   22804
LACNIC Region origin ASes present in the Internet Routing Table:   4243
    LACNIC Prefixes per ASN:                                      11.20
LACNIC Region origin ASes announcing only one prefix:              1477
LACNIC Region transit ASes present in the Internet Routing Table:   882
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:  3318
Number of LACNIC addresses announced to Internet:              98733632
    Equivalent to 5 /8s, 226 /16s and 142 /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:                  10670
    Total AfriNIC prefixes after maximum aggregation:              3103
    AfriNIC Deaggregation factor:                                  3.44
Prefixes being announced from the AfriNIC address blocks:         12670
    Unique aggregates announced from the AfriNIC address blocks:   6151
AfriNIC Region origin ASes present in the Internet Routing Table:   315
    AfriNIC Prefixes per ASN:                                     40.22
AfriNIC Region origin ASes announcing only one prefix:              132
AfriNIC Region transit ASes present in the Internet Routing Table:   86
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  158
Number of AfriNIC addresses announced to Internet:             40194048
    Equivalent to 2 /8s, 101 /16s and 80 /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        9911       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        1493        192      50  CMNET-HUNAN-AP China Mobile communication
 24547         828        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
 45102         469        764     113  ALIBABA-CN-NET Alibaba US Technology Co.,

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       12111      38289    2954  AMAZON-02, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3198      23504    2042  ATT-INTERNET4, US
   367        2507       2997    1189  DNIC-ASBLK-00306-00371, US
 22773        2469       2081     710  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2273        154    1412  USDA-1, US
 11776        1879        257     218  ATLANTICBB-JOHNSTOWN, US
  6167        1746       3399     440  CELLCO-PART, US
   209        1669       4895     294  CENTURYLINK-US-LEGACY-QWEST, US
 36352        1569        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        1286        100    1036  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         667       1842      17  TE-AS TE-AS, EG
 25019         613        998     130  SAUDINETSTC-AS, SA
  8376         588         55      26  Jordan Data Communications, JO
  3320         579       8322     490  DTAG Internet service provider operations
212238         579         42     513  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        5925       1684     847  UNINET, MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 10620        1687        252    1197  Telmex Colombia S.A., CO
  3816        1322        777     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1114        371      22  Telefonica del Peru S.A.A., PE
 26615         998       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        1466        389      16  LINKdotNET-AS, EG
 29571        1118         77     333  ORANGE-COTE-IVOIRE, CI
 20011         965        179     271  INTERNET-SOLUTIONS, ZA
 24835         737        369     154  RAYA-AS, EG
 36992         586        982     268  ETISALAT-MISR, EG
 37069         580       1047      14  MOBINIL, EG
 36935         566        125     175  Vodafone-, EG
 36914         549         82       3  KENET-AS, KE
 36903         458        215     316  MT-MPLS, MA
  2018         379        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       12111      38289    2954  AMAZON-02, US
  9808        9911       8753      87  CHINAMOBILE-CN China Mobile Communication
  8151        5925       1684     847  UNINET, MX
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3198      23504    2042  ATT-INTERNET4, US
   367        2507       2997    1189  DNIC-ASBLK-00306-00371, US
 22773        2469       2081     710  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2273        154    1412  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        9911         9824  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5925         5078  UNINET, MX
 11830        1993         1929  Instituto Costarricense de Electricidad y Telec
 39891        1872         1823  ALJAWWALSTC-AS, SA
 22773        2469         1759  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1879         1661  ATLANTICBB-JOHNSTOWN, US
 24863        1466         1450  LINKdotNET-AS, EG
 56047        1493         1443  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  LZWKF-ASN01, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  LZWKF-ASN01, 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        /8:14       /9:11      /10:32      /11:46      /12:149     
/13:214     /14:573     /15:1159    /16:7360    /17:3455    /18:4168    
/19:7747    /20:12468   /21:15260   /22:28047   /23:27705   /24:151358  
/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        3114        5925  UNINET, MX
 16509        2267       12111  AMAZON-02, US
 22773        1869        2469  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1691        1993  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1467        3198  ATT-INTERNET4, US
 39891        1017        1872  ALJAWWALSTC-AS, SA
   209         948        1669  CENTURYLINK-US-LEGACY-QWEST, US
 10620         940        1687  Telmex Colombia S.A., CO
 11776         892        1879  ATLANTICBB-JOHNSTOWN, US
 19901         884        1061  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        2:495       3:524       4:5         5:827       6:153    
   7:5         8:663      11:171      12:990      13:305      14:122    
  15:293      16:234      17:5        18:874      20:146      21:4      
  22:188      23:2248     24:697      27:34       29:19       31:488    
  32:19       34:9        35:107      36:1226     37:598      38:1959   
  39:523      40:52       41:1085     42:218      43:208      44:32     
  45:3748     46:1139     47:143      49:29       50:347      51:370    
  52:1388     54:294      55:1030     56:8        57:17       58:32     
  59:29       60:15       61:72       62:556      63:770      64:1749   
  65:1131     66:1559     67:929      68:537      69:1180     70:301    
  71:206      72:587      74:913      75:431      76:257      77:443    
  78:307      79:293      80:332      81:395      82:355      83:196    
  84:350      85:529      86:229      87:214      88:263      89:883    
  90:95       91:1064     92:624      93:468      94:851      95:562    
  96:218      97:54       98:454      99:163     100:34      101:28     
 102:370     103:1193    104:1018    105:146     106:67      107:1252   
 108:489     109:390     110:38      111:1875    112:467     113:43     
 114:54      115:20      116:50      117:986     118:172     119:119    
 120:1152    121:43      122:142     123:152     124:53      125:22     
 128:436     129:325     130:671     131:934     132:551     133:210    
 134:484     135:112     136:584     137:589     138:1028    139:401    
 140:670     141:450     142:928     143:703     144:410     145:92     
 146:670     147:490     148:737     149:654     150:327     151:638    
 152:663     153:136     154:943     155:753     156:839     157:386    
 158:474     159:673     160:915     161:618     162:901     163:407    
 164:739     165:807     166:607     167:635     168:1526    169:151    
 170:1605    171:103     172:1172    173:818     174:227     175:53     
 176:432     177:1114    178:529     179:820     180:78      181:1868   
 182:52      183:872     184:445     185:3322    186:2303    187:1071   
 188:819     189:1447    190:4957    191:475     192:4921    193:1933   
 194:1397    195:1044    196:789     197:1658    198:2558    199:4610   
 200:3923    201:3249    202:1096    203:702     204:2086    205:1966   
 206:1581    207:1425    208:1308    209:1966    210:313     211:429    
 212:1017    213:882     214:1003    215:42      216:2403    217:525    
 218:521     219:22      220:30      221:301     222:29      223:705    


End of report


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