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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Apr 8 20:16:27 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 08 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:                              184020
    Prefixes after maximum aggregation (per Origin AS):           80452
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100772
    Number of IPv4 prefixes with a valid ROA:                     69812
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         114188
Total ASes present in the Internet Routing Table:                 15894
    Prefixes per ASN:                                             11.58
Origin-only ASes present in the Internet Routing Table:           13754
Origin ASes announcing only one prefix:                            6265
Transit ASes present in the Internet Routing Table:                2140
Transit-only ASes present in the Internet Routing Table:            586
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:                                      27
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               220
    Number of instances of unregistered ASNs:                       220
Number of 32-bit ASNs allocated by the RIRs:                      44058
Number of 32-bit ASNs visible in the Routing Table:                5780
Prefixes from 32-bit ASNs in the Routing Table:                   19315
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:             90
Number of addresses announced to Internet:                   1063724729
    Equivalent to 63 /8s, 103 /16s and 38 /24s
    Percentage of available address space announced:               28.7
    Percentage of allocated address space announced:               28.7
    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:       53168

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

Prefixes being announced by APNIC Region ASes:                    29775
    Total APNIC prefixes after maximum aggregation:                6835
    APNIC Deaggregation factor:                                    4.36
Prefixes being announced from the APNIC address blocks:           29458
    Unique aggregates announced from the APNIC address blocks:     7907
APNIC Region origin ASes present in the Internet Routing Table:    1134
    APNIC Prefixes per ASN:                                       25.98
APNIC Region origin ASes announcing only one prefix:                446
APNIC Region transit ASes present in the Internet Routing Table:    183
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:    487
Number of APNIC addresses announced to Internet:              198987144
    Equivalent to 11 /8s, 220 /16s and 77 /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:                     83132
    Total ARIN prefixes after maximum aggregation:                45302
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81873
    Unique aggregates announced from the ARIN address blocks:     51152
ARIN Region origin ASes present in the Internet Routing Table:     7353
    ARIN Prefixes per ASN:                                        11.13
ARIN Region origin ASes announcing only one prefix:                3173
ARIN Region transit ASes present in the Internet Routing Table:     633
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:    1503
Number of ARIN addresses announced to Internet:               605590625
    Equivalent to 36 /8s, 24 /16s and 148 /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:                     34765
    Total RIPE prefixes after maximum aggregation:                16375
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35387
    Unique aggregates announced from the RIPE address blocks:     23301
RIPE Region origin ASes present in the Internet Routing Table:     3337
    RIPE Prefixes per ASN:                                        10.60
RIPE Region origin ASes announcing only one prefix:                1438
RIPE Region transit ASes present in the Internet Routing Table:     518
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1225
Number of RIPE addresses announced to Internet:               156857040
    Equivalent to 9 /8s, 89 /16s and 114 /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:                   31863
    Total LACNIC prefixes after maximum aggregation:              10053
    LACNIC Deaggregation factor:                                   3.17
Prefixes being announced from the LACNIC address blocks:          31554
    Unique aggregates announced from the LACNIC address blocks:   15524
LACNIC Region origin ASes present in the Internet Routing Table:   3166
    LACNIC Prefixes per ASN:                                       9.97
LACNIC Region origin ASes announcing only one prefix:              1117
LACNIC Region transit ASes present in the Internet Routing Table:   632
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2450
Number of LACNIC addresses announced to Internet:              72659968
    Equivalent to 4 /8s, 84 /16s and 180 /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:                   4265
    Total AfriNIC prefixes after maximum aggregation:              1705
    AfriNIC Deaggregation factor:                                  2.50
Prefixes being announced from the AfriNIC address blocks:          5658
    Unique aggregates announced from the AfriNIC address blocks:   2802
AfriNIC Region origin ASes present in the Internet Routing Table:   222
    AfriNIC Prefixes per ASN:                                     25.49
AfriNIC Region origin ASes announcing only one prefix:               91
AfriNIC Region transit ASes present in the Internet Routing Table:   60
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  115
Number of AfriNIC addresses announced to Internet:             29570816
    Equivalent to 1 /8s, 195 /16s and 55 /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        9652       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1487        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1473        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1446        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         787        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         734      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        9814      11368    3416  AMAZON-02, US
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2870       3569    1366  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1692       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1580        102    1158  USDA-1, US
  5972        1404        393     640  DNIC-ASBLK-05800-06055, US
  7979        1001         66     199  SERVERS-COM, US
   855         958        255      82  CANET-ASN-4, CA
 16625         846        389     773  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        1310        111    1066  AKAMAI-ASN1, NL
  3215         899       4829     296  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         718         60      21  Jordan Data Communications, JO
  8452         544       1841      11  TE-AS TE-AS, EG
 51167         439         82     186  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         382         34       5  ASN-ISKON, HR
 57878         380         31     187  PRAGER-IT, AT

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        5099       1362     844  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1082        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         920       1128      28  TELEFONICA BRASIL S.A, BR
 11664         589        106     223  Techtel LMDS Comunicaciones Interactiva
 26599         572       2945      46  TELEFONICA BRASIL S.A, BR
 10620         500         64     421  Telmex Colombia S.A., CO
 13999         486         65     209  Mega Cable, S.A. de C.V., MX
 14117         231         39       9  Telefonica del Sur S.A., CL

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         668        241     201  LINKdotNET-AS, EG
 36992         411        656     267  ETISALAT-MISR, EG
  2018         380        319      71  TENET-1, ZA
 36935         266         66      79  Vodafone-, EG
 24835         199        162     115  RAYA-AS, EG
 36914         199         82       3  KENET-AS, KE
 37282         157         20      53  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN
 15706         110         12      26  Sudatel, SD

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        9814      11368    3416  AMAZON-02, US
  9808        9652       8741      60  CHINAMOBILE-CN China Mobile Communicati
  8151        5099       1362     844  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2870       3569    1366  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1692       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1580        102    1158  USDA-1, US
 56047        1487        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        9652         9592  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5099         4255  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2870         1504  DNIC-ASBLK-00306-00371, US
 56047        1487         1440  CMNET-HUNAN-AP China Mobile communications corp
   209        1692         1378  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1446         1373  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1473         1363  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      /11:28      /12:79      
/13:115     /14:338     /15:672     /16:5885    /17:2461    /18:2585    
/19:5171    /20:8407    /21:10601   /22:19609   /23:20266   /24:107514  
/25:76      /26:47      /27:71      /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        2843        5099  UNINET, MX
 16509        2071        9814  AMAZON-02, US
   209         955        1692  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1857  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         704         845  BRSPD-PUBLIC, US
  6147         680        1082  Telefonica del Peru S.A.A., PE
  8376         563         718  Jordan Data Communications, JO
  7979         451        1001  SERVERS-COM, US

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

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

   1:11        2:387       3:290       5:1054      6:148       7:5      
   8:617      11:171      12:655      13:314      14:102      15:281    
  16:174      17:6        18:706      20:34       21:4        22:188    
  23:1761     24:401      25:2        27:25       29:19       31:179    
  32:1        34:5        35:53       36:1136     37:487      38:830    
  39:522      40:8        41:491      42:22       43:183      44:28     
  45:2394     46:573      47:99       49:11       50:251      51:470    
  52:1352     54:268      55:997      57:16       58:4        59:32     
  60:19       61:67       62:335      63:468      64:1443     65:795    
  66:1206     67:665      68:165      69:733      70:146      71:189    
  72:353      74:729      75:391      76:208      77:286      78:485    
  79:165      80:201      81:185      82:165      83:96       84:179    
  85:377      86:146      87:143      88:120      89:465      90:97     
  91:549      92:400      93:783      94:492      95:1090     96:167    
  97:31       98:127      99:145     100:23      101:23      102:228    
 103:1083    104:695     105:31      106:3       107:205     108:298    
 109:233     110:26      111:1797    112:447     113:40      114:32     
 115:12      116:31      117:951     118:65      119:97      120:1091   
 121:32      122:85      123:23      124:57      125:13      128:365    
 129:275     130:480     131:782     132:498     133:267     134:339    
 135:66      136:357     137:418     138:770     139:380     140:590    
 141:323     142:681     143:603     144:318     145:60      146:470    
 147:313     148:598     149:509     150:291     151:484     152:360    
 153:117     154:578     155:666     156:381     157:265     158:345    
 159:526     160:341     161:415     162:680     163:287     164:636    
 165:374     166:99      167:380     168:1004    169:157     170:1240   
 171:65      172:899     173:619     174:103     175:46      176:402    
 177:778     178:322     179:506     180:47      181:978     182:20     
 183:851     184:199     185:2239    186:1006    187:747     188:475    
 189:1093    190:2965    191:192     192:3668    193:1217    194:794    
 195:550     196:377     197:382     198:1901    199:3369    200:2766   
 201:2488    202:1059    203:599     204:1744    205:1656    206:1129   
 207:1047    208:960     209:1441    210:339     211:432     212:671    
 213:533     214:1039    215:43      216:1674    217:280     218:516    
 219:21      220:29      221:302     222:22      223:632    

End of report


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