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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Apr 10 20:16:27 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 10 Apr, 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:                              189430
    Prefixes after maximum aggregation (per Origin AS):           82654
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      104006
    Number of IPv4 prefixes with a valid ROA:                     73726
    Number of IPv4 prefixes with an invalid ROA:                     23
    Number of IPv4 prefixes with no ROA:                         115681
Total ASes present in the Internet Routing Table:                 16104
    Prefixes per ASN:                                             11.76
Origin-only ASes present in the Internet Routing Table:           13938
Origin ASes announcing only one prefix:                            6355
Transit ASes present in the Internet Routing Table:                2166
Transit-only ASes present in the Internet Routing Table:            585
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               229
    Number of instances of unregistered ASNs:                       229
Number of 32-bit ASNs allocated by the RIRs:                      44067
Number of 32-bit ASNs visible in the Routing Table:                5832
Prefixes from 32-bit ASNs in the Routing Table:                   19480
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             92
Number of addresses announced to Internet:                   1101519801
    Equivalent to 65 /8s, 167 /16s and 219 /24s
    Percentage of available address space announced:               29.8
    Percentage of allocated address space announced:               29.8
    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:       55028

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

Prefixes being announced by APNIC Region ASes:                    30010
    Total APNIC prefixes after maximum aggregation:                6965
    APNIC Deaggregation factor:                                    4.31
Prefixes being announced from the APNIC address blocks:           29681
    Unique aggregates announced from the APNIC address blocks:     8055
APNIC Region origin ASes present in the Internet Routing Table:    1144
    APNIC Prefixes per ASN:                                       25.94
APNIC Region origin ASes announcing only one prefix:                454
APNIC Region transit ASes present in the Internet Routing Table:    185
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    497
Number of APNIC addresses announced to Internet:              199074184
    Equivalent to 11 /8s, 221 /16s and 161 /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:                     83485
    Total ARIN prefixes after maximum aggregation:                45419
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            82425
    Unique aggregates announced from the ARIN address blocks:     51427
ARIN Region origin ASes present in the Internet Routing Table:     7353
    ARIN Prefixes per ASN:                                        11.21
ARIN Region origin ASes announcing only one prefix:                3166
ARIN Region transit ASes present in the Internet Routing Table:     637
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1509
Number of ARIN addresses announced to Internet:               605921889
    Equivalent to 36 /8s, 29 /16s and 162 /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, 393216-401308
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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                     38686
    Total RIPE prefixes after maximum aggregation:                17908
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:            39216
    Unique aggregates announced from the RIPE address blocks:     25189
RIPE Region origin ASes present in the Internet Routing Table:     3548
    RIPE Prefixes per ASN:                                        11.05
RIPE Region origin ASes announcing only one prefix:                1550
RIPE Region transit ASes present in the Internet Routing Table:     539
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          22
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1297
Number of RIPE addresses announced to Internet:               192694736
    Equivalent to 11 /8s, 124 /16s and 73 /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,
                        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:                   31865
    Total LACNIC prefixes after maximum aggregation:              10148
    LACNIC Deaggregation factor:                                   3.14
Prefixes being announced from the LACNIC address blocks:          31531
    Unique aggregates announced from the LACNIC address blocks:   15752
LACNIC Region origin ASes present in the Internet Routing Table:   3131
    LACNIC Prefixes per ASN:                                      10.07
LACNIC Region origin ASes announcing only one prefix:              1087
LACNIC Region transit ASes present in the Internet Routing Table:   632
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2409
Number of LACNIC addresses announced to Internet:              73428992
    Equivalent to 4 /8s, 96 /16s and 112 /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:                   5155
    Total AfriNIC prefixes after maximum aggregation:              2023
    AfriNIC Deaggregation factor:                                  2.55
Prefixes being announced from the AfriNIC address blocks:          6485
    Unique aggregates announced from the AfriNIC address blocks:   3495
AfriNIC Region origin ASes present in the Internet Routing Table:   239
    AfriNIC Prefixes per ASN:                                     27.13
AfriNIC Region origin ASes announcing only one prefix:               98
AfriNIC Region transit ASes present in the Internet Routing Table:   60
Average AfriNIC Region AS path length visible:                      5.7
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  120
Number of AfriNIC addresses announced to Internet:             30339840
    Equivalent to 1 /8s, 206 /16s and 243 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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        9655       8741      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1503        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1446        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         789        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         732      10656     150  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         442        180      24  CSTNET-AS-AP Computer Network Informati

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        9834      11368    3448  AMAZON-02, US
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2811       3538    1336  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1584        102    1156  USDA-1, US
  5972        1403        393     638  DNIC-ASBLK-05800-06055, US
  7979        1001         66     199  SERVERS-COM, US
   855         959        255      82  CANET-ASN-4, CA
 16625         852        391     779  AKAMAI-AS, 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        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1315        111    1070  AKAMAI-ASN1, NL
  3215         899       4829     296  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         719         60      21  Jordan Data Communications, JO
  8452         544       1841      11  TE-AS TE-AS, EG
 15897         533        183      24  VODAFONETURKEY, TR
 51167         439         82     186  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
  3329         391        271      80  HOL-GR Athens, Greece, GR

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        5355       1548     884  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1081        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         919       1128      28  TELEFONICA BRASIL S.A, BR
 11664         589        106     225  Techtel LMDS Comunicaciones Interactiva
 26599         572       2945      46  TELEFONICA BRASIL S.A, BR
 10620         500         64     421  Telmex Colombia S.A., CO
 13999         483         66     207  Mega Cable, S.A. de C.V., MX
 27843         224         20      32  WIN EMPRESAS S.A.C., PE

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
 29571         824         54     327  ORANGE-COTE-IVOIRE, CI
 24863         668        241     201  LINKdotNET-AS, EG
 36992         411        656     267  ETISALAT-MISR, EG
  2018         379        319      71  TENET-1, ZA
 36935         266         66      79  Vodafone-, EG
 24835         204        165     113  RAYA-AS, EG
 36914         200         82       3  KENET-AS, KE
 37282         157         20      53  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN

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        9834      11368    3448  AMAZON-02, US
  9808        9655       8741      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5355       1548     884  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2811       3538    1336  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1584        102    1156  USDA-1, US
 56047        1503        192      47  CMNET-HUNAN-AP China Mobile communicati

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        9655         9594  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5355         4471  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2811         1475  DNIC-ASBLK-00306-00371, US
 56047        1503         1456  CMNET-HUNAN-AP China Mobile communications corp
   209        1694         1380  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1446         1373  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1481         1371  CMNET-JIANGSU-AP China Mobile communications co
  3816        1312         1113  COLOMBIA TELECOMUNICACIONES S.A. ESP, 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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              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
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           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             1835  FSKNET-DK Forskningsnettet - Danish network for

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

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

Unassigned Network     ASN Information  AS Name
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM
41.79.128.0/22       Origin:     37475  RESERVED, ZZ
41.79.128.0/22      Transit:     15964  CAMNET-AS, CM
41.204.248.0/24      Origin:     36911  RESERVED, ZZ
41.204.248.0/24     Transit:    328766  RESERVED, ZZ

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        /8:11       /9:4       /10:17      /11:30      /12:82      
/13:134     /14:368     /15:744     /16:6078    /17:2637    /18:2770    
/19:5574    /20:8749    /21:10912   /22:20361   /23:20652   /24:110049  
/25:76      /26:49      /27:70      /28:19      /29:21      /30:18      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2933        5355  UNINET, MX
 16509        2086        9834  AMAZON-02, US
   209         957        1694  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1857  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         708         849  BRSPD-PUBLIC, US
  6147         679        1081  Telefonica del Peru S.A.A., PE
  8376         564         719  Jordan Data Communications, JO
 15897         459         533  VODAFONETURKEY, TR

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

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

   1:10        2:394       3:290       5:1073      6:147       7:5      
   8:617      11:171      12:656      13:318      14:100      15:281    
  16:174      17:6        18:705      20:34       21:4        22:188    
  23:1763     24:402      25:2        27:25       29:19       31:246    
  32:1        34:5        35:53       36:1157     37:492      38:923    
  39:522      40:9        41:647      42:23       43:182      44:28     
  45:2399     46:635      47:148      49:10       50:251      51:470    
  52:1352     54:272      55:985      57:16       58:4        59:32     
  60:19       61:67       62:382      63:471      64:1449     65:796    
  66:1237     67:665      68:163      69:727      70:147      71:189    
  72:369      74:730      75:392      76:204      77:288      78:488    
  79:172      80:226      81:215      82:173      83:116      84:183    
  85:354      86:150      87:155      88:123      89:528      90:97     
  91:605      92:402      93:792      94:524      95:1099     96:167    
  97:31       98:126      99:143     100:22      101:22      102:224    
 103:1100    104:692     105:30      106:3       107:203     108:301    
 109:232     110:26      111:1799    112:448     113:41      114:32     
 115:12      116:31      117:948     118:102     119:97      120:1092   
 121:32      122:107     123:49      124:57      125:13      128:360    
 129:277     130:480     131:786     132:500     133:267     134:349    
 135:68      136:379     137:420     138:770     139:396     140:585    
 141:332     142:684     143:607     144:321     145:74      146:509    
 147:318     148:624     149:521     150:291     151:495     152:354    
 153:117     154:612     155:670     156:447     157:265     158:316    
 159:533     160:852     161:417     162:671     163:292     164:637    
 165:374     166:97      167:383     168:1041    169:159     170:1244   
 171:65      172:907     173:617     174:103     175:46      176:404    
 177:748     178:294     179:501     180:47      181:987     182:67     
 183:852     184:199     185:2365    186:1033    187:755     188:539    
 189:1095    190:2901    191:186     192:3691    193:1325    194:935    
 195:653     196:410     197:390     198:1908    199:3379    200:2679   
 201:2481    202:1067    203:600     204:1733    205:1672    206:1138   
 207:1053    208:965     209:1436    210:341     211:431     212:720    
 213:683     214:1039    215:43      216:1675    217:346     218:518    
 219:21      220:30      221:302     222:22      223:633    

End of report


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