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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Apr 18 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 18 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:                              186987
    Prefixes after maximum aggregation (per Origin AS):           81835
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      101485
    Number of IPv4 prefixes with a valid ROA:                     71904
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                         115065
Total ASes present in the Internet Routing Table:                 15824
    Prefixes per ASN:                                             11.82
Origin-only ASes present in the Internet Routing Table:           13692
Origin ASes announcing only one prefix:                            6250
Transit ASes present in the Internet Routing Table:                2132
Transit-only ASes present in the Internet Routing Table:            577
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:               226
    Number of instances of unregistered ASNs:                       226
Number of 32-bit ASNs allocated by the RIRs:                      44183
Number of 32-bit ASNs visible in the Routing Table:                5732
Prefixes from 32-bit ASNs in the Routing Table:                   19410
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:             94
Number of addresses announced to Internet:                   1115595345
    Equivalent to 66 /8s, 126 /16s and 162 /24s
    Percentage of available address space announced:               30.1
    Percentage of allocated address space announced:               30.1
    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:       53655

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

Prefixes being announced by APNIC Region ASes:                    30330
    Total APNIC prefixes after maximum aggregation:                7090
    APNIC Deaggregation factor:                                    4.28
Prefixes being announced from the APNIC address blocks:           29930
    Unique aggregates announced from the APNIC address blocks:     8241
APNIC Region origin ASes present in the Internet Routing Table:    1135
    APNIC Prefixes per ASN:                                       26.37
APNIC Region origin ASes announcing only one prefix:                450
APNIC Region transit ASes present in the Internet Routing Table:    196
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:    486
Number of APNIC addresses announced to Internet:              199333744
    Equivalent to 11 /8s, 225 /16s and 151 /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:                     85259
    Total ARIN prefixes after maximum aggregation:                46422
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            83831
    Unique aggregates announced from the ARIN address blocks:     51349
ARIN Region origin ASes present in the Internet Routing Table:     7330
    ARIN Prefixes per ASN:                                        11.44
ARIN Region origin ASes announcing only one prefix:                3161
ARIN Region transit ASes present in the Internet Routing Table:     630
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:    1494
Number of ARIN addresses announced to Internet:               650991713
    Equivalent to 38 /8s, 205 /16s and 88 /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,  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:                     35257
    Total RIPE prefixes after maximum aggregation:                16544
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            36069
    Unique aggregates announced from the RIPE address blocks:     23659
RIPE Region origin ASes present in the Internet Routing Table:     3365
    RIPE Prefixes per ASN:                                        10.72
RIPE Region origin ASes announcing only one prefix:                1451
RIPE Region transit ASes present in the Internet Routing Table:     515
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          22
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1247
Number of RIPE addresses announced to Internet:               161160064
    Equivalent to 9 /8s, 155 /16s and 27 /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:                   31382
    Total LACNIC prefixes after maximum aggregation:              10057
    LACNIC Deaggregation factor:                                   3.12
Prefixes being announced from the LACNIC address blocks:          31088
    Unique aggregates announced from the LACNIC address blocks:   15526
LACNIC Region origin ASes present in the Internet Routing Table:   3093
    LACNIC Prefixes per ASN:                                      10.05
LACNIC Region origin ASes announcing only one prefix:              1082
LACNIC Region transit ASes present in the Internet Routing Table:   629
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:  2388
Number of LACNIC addresses announced to Internet:              72009216
    Equivalent to 4 /8s, 74 /16s and 198 /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:                   4533
    Total AfriNIC prefixes after maximum aggregation:              1536
    AfriNIC Deaggregation factor:                                  2.95
Prefixes being announced from the AfriNIC address blocks:          5975
    Unique aggregates announced from the AfriNIC address blocks:   2618
AfriNIC Region origin ASes present in the Internet Routing Table:   227
    AfriNIC Prefixes per ASN:                                     26.32
AfriNIC Region origin ASes announcing only one prefix:              106
AfriNIC Region transit ASes present in the Internet Routing Table:   57
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  117
Number of AfriNIC addresses announced to Internet:             32044032
    Equivalent to 1 /8s, 232 /16s and 244 /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        9692       8743      63  CHINAMOBILE-CN China Mobile Communicati
 56047        1504        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1487        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        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         730      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
 56040         449        489     108  CMNET-GUANGDONG-AP China Mobile communi

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        9868      11370    3461  AMAZON-02, US
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2833       3551    1353  DNIC-ASBLK-00306-00371, US
 11776        1856        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1704       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1625        105    1174  USDA-1, US
  5972        1400        393     639  DNIC-ASBLK-05800-06055, US
  7979        1001         66     199  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         895       4164     676  AMAZON-AES, 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        1313        111    1069  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         717         60      21  Jordan Data Communications, JO
  8452         524       1841      10  TE-AS TE-AS, EG
 51167         500         96     207  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         397         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        5008       1299     873  UNINET, MX
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1080        369      21  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         588        103     224  Techtel LMDS Comunicaciones Interactiva
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         500         64     421  Telmex Colombia S.A., CO
 13999         480         67     206  Mega Cable, S.A. de C.V., MX
 27843         229         20      33  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
 24863         664        242     206  LINKdotNET-AS, EG
 24835         423        365      30  RAYA-AS, EG
  2018         380        319      71  TENET-1, ZA
 36992         350        550     243  ETISALAT-MISR, EG
 36935         325        518      27  Vodafone-, EG
 36914         204         82       3  KENET-AS, KE
 37282         159         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        9868      11370    3461  AMAZON-02, US
  9808        9692       8743      63  CHINAMOBILE-CN China Mobile Communicati
  8151        5008       1299     873  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2833       3551    1353  DNIC-ASBLK-00306-00371, US
 11776        1856        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1704       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1625        105    1174  USDA-1, US
 56047        1504        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        9692         9629  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5008         4135  UNINET, MX
 11776        1856         1636  ATLANTICBB-JOHNSTOWN, US
   367        2833         1480  DNIC-ASBLK-00306-00371, US
 56047        1504         1457  CMNET-HUNAN-AP China Mobile communications corp
   209        1704         1390  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1487         1377  CMNET-JIANGSU-AP China Mobile communications co
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
  3816        1313         1116  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             6939  HURRICANE, US

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
41.204.240.0/24      Origin:     36911  RESERVED, ZZ
41.204.240.0/24     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       /9:6       /10:17      /11:31      /12:92      
/13:126     /14:365     /15:709     /16:5956    /17:2487    /18:2642    
/19:5149    /20:8640    /21:10731   /22:19876   /23:20537   /24:109357  
/25:76      /26:49      /27:70      /28:18      /29:20      /30:17      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2849        5008  UNINET, MX
 16509        2095        9868  AMAZON-02, US
   209         962        1704  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1856  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         716         857  BRSPD-PUBLIC, US
  6147         678        1080  Telefonica del Peru S.A.A., PE
  8376         562         717  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)
----------------------------------------------

   1:10        2:387       3:325       5:1056      6:149       7:5      
   8:614      11:171      12:651      13:316      14:100      15:281    
  16:174      17:6        18:737      20:34       21:4        22:188    
  23:1772     24:397      25:2        27:27       29:19       31:175    
  32:1        34:11       35:59       36:1175     37:477      38:834    
  39:522      40:11       41:508      42:23       43:184      44:29     
  45:2401     46:605      47:98       49:11       50:262      51:467    
  52:1363     54:272      55:997      57:16       58:4        59:38     
  60:19       61:65       62:347      63:472      64:1515     65:798    
  66:1243     67:683      68:165      69:750      70:147      71:189    
  72:372      74:745      75:394      76:212      77:304      78:488    
  79:171      80:210      81:202      82:167      83:96       84:179    
  85:332      86:148      87:147      88:119      89:510      90:97     
  91:550      92:395      93:784      94:532      95:1081     96:167    
  97:31       98:130      99:151     100:22      101:21      102:216    
 103:1100    104:709     105:113     106:3       107:209     108:301    
 109:263     110:32      111:1808    112:449     113:43      114:34     
 115:13      116:32      117:961     118:110     119:99      120:1090   
 121:32      122:108     123:50      124:58      125:11      128:359    
 129:276     130:488     131:787     132:504     133:267     134:339    
 135:68      136:370     137:406     138:786     139:386     140:594    
 141:326     142:696     143:599     144:325     145:65      146:481    
 147:312     148:626     149:519     150:291     151:567     152:535    
 153:118     154:557     155:679     156:445     157:269     158:318    
 159:592     160:341     161:425     162:692     163:292     164:637    
 165:385     166:96      167:392     168:997     169:152     170:1287   
 171:65      172:887     173:622     174:104     175:41      176:408    
 177:747     178:310     179:504     180:51      181:969     182:69     
 183:854     184:198     185:2301    186:1049    187:737     188:473    
 189:1051    190:2870    191:191     192:3837    193:1265    194:823    
 195:567     196:381     197:382     198:1950    199:3466    200:2647   
 201:2456    202:1067    203:630     204:1751    205:1691    206:1138   
 207:1080    208:984     209:1457    210:341     211:431     212:698    
 213:558     214:1044    215:43      216:1744    217:283     218:525    
 219:22      220:29      221:302     222:22      223:634    

End of report


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