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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 29 20:16:33 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 29 Mar, 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:                              183020
    Prefixes after maximum aggregation (per Origin AS):           79871
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100391
    Number of IPv4 prefixes with a valid ROA:                     69786
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         113214
Total ASes present in the Internet Routing Table:                 15585
    Prefixes per ASN:                                             11.74
Origin-only ASes present in the Internet Routing Table:           13461
Origin ASes announcing only one prefix:                            6103
Transit ASes present in the Internet Routing Table:                2124
Transit-only ASes present in the Internet Routing Table:            578
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:                                      28
    Max AS path prepend of ASN ( 28683)                              24
Prefixes from unregistered ASNs in the Routing Table:               221
    Number of instances of unregistered ASNs:                       221
Number of 32-bit ASNs allocated by the RIRs:                      43966
Number of 32-bit ASNs visible in the Routing Table:                5659
Prefixes from 32-bit ASNs in the Routing Table:                   18995
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:                   1025068729
    Equivalent to 61 /8s, 25 /16s and 78 /24s
    Percentage of available address space announced:               27.7
    Percentage of allocated address space announced:               27.7
    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:       53412

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

Prefixes being announced by APNIC Region ASes:                    28805
    Total APNIC prefixes after maximum aggregation:                6525
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28537
    Unique aggregates announced from the APNIC address blocks:     7548
APNIC Region origin ASes present in the Internet Routing Table:    1092
    APNIC Prefixes per ASN:                                       26.13
APNIC Region origin ASes announcing only one prefix:                433
APNIC Region transit ASes present in the Internet Routing Table:    174
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    465
Number of APNIC addresses announced to Internet:              157704328
    Equivalent to 9 /8s, 102 /16s and 96 /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:                     82577
    Total ARIN prefixes after maximum aggregation:                44859
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81431
    Unique aggregates announced from the ARIN address blocks:     50706
ARIN Region origin ASes present in the Internet Routing Table:     7189
    ARIN Prefixes per ASN:                                        11.33
ARIN Region origin ASes announcing only one prefix:                3064
ARIN Region transit ASes present in the Internet Routing Table:     642
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:    1463
Number of ARIN addresses announced to Internet:               605453921
    Equivalent to 36 /8s, 22 /16s and 126 /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:                     35034
    Total RIPE prefixes after maximum aggregation:                16538
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35504
    Unique aggregates announced from the RIPE address blocks:     23452
RIPE Region origin ASes present in the Internet Routing Table:     3276
    RIPE Prefixes per ASN:                                        10.84
RIPE Region origin ASes announcing only one prefix:                1394
RIPE Region transit ASes present in the Internet Routing Table:     519
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1209
Number of RIPE addresses announced to Internet:               157205968
    Equivalent to 9 /8s, 94 /16s and 197 /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:                   31823
    Total LACNIC prefixes after maximum aggregation:              10018
    LACNIC Deaggregation factor:                                   3.18
Prefixes being announced from the LACNIC address blocks:          31532
    Unique aggregates announced from the LACNIC address blocks:   15742
LACNIC Region origin ASes present in the Internet Routing Table:   3108
    LACNIC Prefixes per ASN:                                      10.15
LACNIC Region origin ASes announcing only one prefix:              1105
LACNIC Region transit ASes present in the Internet Routing Table:   617
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:  2393
Number of LACNIC addresses announced to Internet:              73563136
    Equivalent to 4 /8s, 98 /16s and 124 /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:                   4560
    Total AfriNIC prefixes after maximum aggregation:              1750
    AfriNIC Deaggregation factor:                                  2.61
Prefixes being announced from the AfriNIC address blocks:          5922
    Unique aggregates announced from the AfriNIC address blocks:   2854
AfriNIC Region origin ASes present in the Internet Routing Table:   248
    AfriNIC Prefixes per ASN:                                     23.88
AfriNIC Region origin ASes announcing only one prefix:              107
AfriNIC Region transit ASes present in the Internet Routing Table:   58
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  129
Number of AfriNIC addresses announced to Internet:             31087104
    Equivalent to 1 /8s, 218 /16s and 90 /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        9644       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1504        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1471        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1443        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         786        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         435        488     107  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        9797      11363    3393  AMAZON-02, US
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2886       3596    1367  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1564        101    1151  USDA-1, US
  5972        1428        395     639  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         954        255      82  CANET-ASN-4, CA
 15169         840       2001      65  GOOGLE, 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        1272        108    1043  AKAMAI-ASN1, NL
  3215         901       4830     297  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         721         60      22  Jordan Data Communications, JO
  8452         549       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 58224         414        190     327  TCI, IR
 35819         386        378      73  MOBILY-AS Etihad Etisalat Company Mobil

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        5372       1554     859  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         946       1128      29  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         572       2945      46  TELEFONICA BRASIL S.A, BR
 10620         545         71     456  Telmex Colombia S.A., CO
 13999         485         66     208  Mega Cable, S.A. de C.V., MX
 14117         230         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         654        240     194  LINKdotNET-AS, EG
 36992         404        638     266  ETISALAT-MISR, EG
  2018         380        319      71  TENET-1, ZA
 36935         266         67      80  Vodafone-, EG
 36914         207         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
 37282         163         26       6  MAINONE, NG
327687         162         28       3  RENU, UG
 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        9797      11363    3393  AMAZON-02, US
  9808        9644       8741      60  CHINAMOBILE-CN China Mobile Communicati
  8151        5372       1554     859  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2886       3596    1367  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1695       4898     315  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1564        101    1151  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        9644         9584  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5372         4513  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2886         1519  DNIC-ASBLK-00306-00371, US
 56047        1504         1457  CMNET-HUNAN-AP China Mobile communications corp
   209        1695         1380  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1443         1370  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1471         1361  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
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.235.0/24           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
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      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

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       /10:14      /11:25      /12:74      
/13:114     /14:335     /15:672     /16:5261    /17:2517    /18:2603    
/19:5339    /20:8528    /21:10723   /22:19508   /23:20213   /24:106837  
/25:70      /26:39      /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        2936        5372  UNINET, MX
 16509        2083        9797  AMAZON-02, US
   209         957        1695  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1857  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         699         840  BRSPD-PUBLIC, US
  6147         686        1088  Telefonica del Peru S.A.A., PE
  8376         566         721  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

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

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

   1:8         2:377       3:287       5:1077      6:148       7:5      
   8:619      11:171      12:258      13:320      14:98       15:281    
  16:174      17:6        18:706      20:33       21:4        22:188    
  23:1797     24:404      25:2        27:17       29:19       31:164    
  32:1        34:5        35:53       36:1151     37:515      38:835    
  39:523      40:8        41:575      42:22       43:186      44:28     
  45:2326     46:582      47:99       49:11       50:249      51:470    
  52:1349     54:269      55:869      57:16       58:4        59:28     
  60:19       61:65       62:332      63:465      64:1435     65:796    
  66:1236     67:675      68:165      69:738      70:148      71:189    
  72:368      74:731      75:391      76:206      77:277      78:516    
  79:159      80:196      81:169      82:164      83:95       84:178    
  85:389      86:146      87:142      88:119      89:466      90:98     
  91:530      92:397      93:776      94:556      95:1076     96:165    
  97:31       98:125      99:146     100:22      101:25      102:224    
 103:1059    104:687     105:30      106:3       107:222     108:297    
 109:263     110:24      111:1795    112:447     113:40      114:32     
 115:11      116:31      117:949     118:51      119:97      120:1090   
 121:32      122:79      123:20      124:57      125:11      128:364    
 129:308     130:473     131:790     132:498     133:264     134:323    
 135:66      136:371     137:470     138:757     139:395     140:587    
 141:317     142:697     143:582     144:318     145:58      146:464    
 147:319     148:563     149:507     150:277     151:494     152:364    
 153:117     154:547     155:667     156:376     157:248     158:317    
 159:522     160:324     161:415     162:690     163:281     164:625    
 165:373     166:100     167:382     168:1011    169:160     170:1247   
 171:66      172:897     173:617     174:103     175:46      176:396    
 177:760     178:320     179:503     180:59      181:982     182:20     
 183:854     184:200     185:2226    186:994     187:784     188:481    
 189:1084    190:2940    191:182     192:3680    193:1214    194:796    
 195:551     196:422     197:398     198:1898    199:3363    200:2653   
 201:2544    202:937     203:590     204:1753    205:1645    206:1131   
 207:1056    208:959     209:1428    210:302     211:424     212:671    
 213:525     214:1044    215:43      216:1684    217:265     218:515    
 219:19      220:29      221:300     222:16      223:630    

End of report


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