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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 7 20:16:31 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 07 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:                              182696
    Prefixes after maximum aggregation (per Origin AS):           79976
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      100578
    Number of IPv4 prefixes with a valid ROA:                     68860
    Number of IPv4 prefixes with an invalid ROA:                     80
    Number of IPv4 prefixes with no ROA:                         113756
Total ASes present in the Internet Routing Table:                 15413
    Prefixes per ASN:                                             11.85
Origin-only ASes present in the Internet Routing Table:           13304
Origin ASes announcing only one prefix:                            6063
Transit ASes present in the Internet Routing Table:                2109
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:                                      29
    Max AS path prepend of ASN ( 37531)                              21
Prefixes from unregistered ASNs in the Routing Table:               213
    Number of instances of unregistered ASNs:                       213
Number of 32-bit ASNs allocated by the RIRs:                      43780
Number of 32-bit ASNs visible in the Routing Table:                5538
Prefixes from 32-bit ASNs in the Routing Table:                   18271
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:             82
Number of addresses announced to Internet:                   1034239417
    Equivalent to 61 /8s, 165 /16s and 61 /24s
    Percentage of available address space announced:               27.9
    Percentage of allocated address space announced:               27.9
    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:       53590

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

Prefixes being announced by APNIC Region ASes:                    28769
    Total APNIC prefixes after maximum aggregation:                6550
    APNIC Deaggregation factor:                                    4.39
Prefixes being announced from the APNIC address blocks:           28533
    Unique aggregates announced from the APNIC address blocks:     7569
APNIC Region origin ASes present in the Internet Routing Table:    1100
    APNIC Prefixes per ASN:                                       25.94
APNIC Region origin ASes announcing only one prefix:                449
APNIC Region transit ASes present in the Internet Routing Table:    182
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    476
Number of APNIC addresses announced to Internet:              171191432
    Equivalent to 10 /8s, 52 /16s and 44 /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:                     81997
    Total ARIN prefixes after maximum aggregation:                44697
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            80797
    Unique aggregates announced from the ARIN address blocks:     50273
ARIN Region origin ASes present in the Internet Routing Table:     7176
    ARIN Prefixes per ASN:                                        11.26
ARIN Region origin ASes announcing only one prefix:                3064
ARIN Region transit ASes present in the Internet Routing Table:     641
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          29
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1464
Number of ARIN addresses announced to Internet:               605115745
    Equivalent to 36 /8s, 17 /16s and 85 /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:                     35130
    Total RIPE prefixes after maximum aggregation:                16578
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35695
    Unique aggregates announced from the RIPE address blocks:     23826
RIPE Region origin ASes present in the Internet Routing Table:     3263
    RIPE Prefixes per ASN:                                        10.94
RIPE Region origin ASes announcing only one prefix:                1390
RIPE Region transit ASes present in the Internet Routing Table:     507
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1201
Number of RIPE addresses announced to Internet:               155326416
    Equivalent to 9 /8s, 66 /16s and 23 /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:                   31804
    Total LACNIC prefixes after maximum aggregation:              10099
    LACNIC Deaggregation factor:                                   3.15
Prefixes being announced from the LACNIC address blocks:          31566
    Unique aggregates announced from the LACNIC address blocks:   15660
LACNIC Region origin ASes present in the Internet Routing Table:   2987
    LACNIC Prefixes per ASN:                                      10.57
LACNIC Region origin ASes announcing only one prefix:              1067
LACNIC Region transit ASes present in the Internet Routing Table:   602
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:  2285
Number of LACNIC addresses announced to Internet:              73736192
    Equivalent to 4 /8s, 101 /16s and 32 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                   4783
    Total AfriNIC prefixes after maximum aggregation:              1876
    AfriNIC Deaggregation factor:                                  2.55
Prefixes being announced from the AfriNIC address blocks:          6023
    Unique aggregates announced from the AfriNIC address blocks:   3170
AfriNIC Region origin ASes present in the Internet Routing Table:   212
    AfriNIC Prefixes per ASN:                                     28.41
AfriNIC Region origin ASes announcing only one prefix:               93
AfriNIC Region transit ASes present in the Internet Routing Table:   64
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  112
Number of AfriNIC addresses announced to Internet:             28822016
    Equivalent to 1 /8s, 183 /16s and 202 /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        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1436        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        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         434        488     105  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        9645      11306    3357  AMAZON-02, US
   749        3199      54920    2451  DNIC-AS-00749, US
   367        2922       3648    1411  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1444        394     654  DNIC-ASBLK-05800-06055, US
  4155        1383         89    1058  USDA-1, US
  7979         997         66     198  SERVERS-COM, US
   855         958        255      82  CANET-ASN-4, CA
 16625         887        413     818  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        1300        110    1058  AKAMAI-ASN1, NL
  3215         894       4811     298  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         720         60      22  Jordan Data Communications, JO
  8452         590       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 35819         428        435      76  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 34984         417         61     342  TELLCOM-AS, TR

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        5324       1517     924  UNINET, MX
  3816        1311        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         986       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         570       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         482         66     208  Mega Cable, S.A. de C.V., MX
 22368         247         27      75  TELEBUCARAMANGA S.A. E.S.P., CO

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         684        240     187  LINKdotNET-AS, EG
 29571         478         35     245  ORANGE-COTE-IVOIRE, CI
 36992         475        671     292  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         208         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
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        9645      11306    3357  AMAZON-02, US
  9808        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        5324       1517     924  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3199      54920    2451  DNIC-AS-00749, US
   367        2922       3648    1411  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica

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        9625         9574  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5324         4400  UNINET, MX
 11776        1856         1637  ATLANTICBB-JOHNSTOWN, US
   367        2922         1511  DNIC-ASBLK-00306-00371, US
 56047        1470         1436  CMNET-HUNAN-AP China Mobile communications corp
   209        1707         1386  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1436         1363  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1450         1340  CMNET-JIANGSU-AP China Mobile communications co
  3816        1311         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
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             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
     13342  UNALLOCATED  12.180.92.0/22            7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.244.0/23           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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
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

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      /11:27      /12:73      
/13:111     /14:335     /15:671     /16:5370    /17:2510    /18:2590    
/19:5324    /20:8581    /21:10728   /22:19475   /23:19995   /24:106622  
/25:80      /26:50      /27:66      /28:19      /29:21      /30:14      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2937        5324  UNINET, MX
 16509        2045        9645  AMAZON-02, US
   209         963        1707  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1856  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
  6147         686        1088  Telefonica del Peru S.A.A., PE
 19901         685         824  BRSPD-PUBLIC, US
  8376         561         720  Jordan Data Communications, JO
  7979         446         997  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         2:473       3:276       5:1064      6:148       7:5      
   8:624      11:171      12:260      13:321      14:99       15:281    
  16:174      17:6        18:687      20:32       21:4        22:188    
  23:1819     24:393      25:2        27:17       29:19       31:165    
  32:1        34:3        35:53       36:1113     37:549      38:850    
  39:523      40:8        41:544      42:22       43:184      44:33     
  45:2234     46:576      47:100      49:10       50:249      51:470    
  52:1351     54:270      55:858      57:16       58:6        59:34     
  60:19       61:63       62:351      63:461      64:1433     65:799    
  66:1215     67:670      68:165      69:708      70:150      71:191    
  72:357      74:720      75:387      76:207      77:270      78:532    
  79:167      80:190      81:188      82:173      83:93       84:183    
  85:313      86:146      87:146      88:100      89:475      90:98     
  91:520      92:398      93:777      94:490      95:1089     96:165    
  97:30       98:124      99:146     100:21      101:28      102:179    
 103:1067    104:681     105:146     106:2       107:221     108:296    
 109:223     110:29      111:1736    112:447     113:40      114:32     
 115:12      116:31      117:945     118:52      119:94      120:1089   
 121:25      122:81      123:22      124:57      125:13      128:381    
 129:280     130:510     131:769     132:504     133:264     134:320    
 135:69      136:357     137:444     138:717     139:402     140:564    
 141:328     142:690     143:584     144:318     145:62      146:473    
 147:318     148:577     149:508     150:340     151:539     152:371    
 153:119     154:430     155:673     156:309     157:221     158:312    
 159:525     160:626     161:413     162:699     163:290     164:617    
 165:364     166:101     167:379     168:951     169:154     170:1202   
 171:62      172:883     173:617     174:107     175:46      176:425    
 177:703     178:344     179:496     180:43      181:1004    182:11     
 183:853     184:199     185:2197    186:1050    187:759     188:490    
 189:1078    190:2946    191:186     192:3679    193:1217    194:784    
 195:560     196:438     197:457     198:1905    199:3180    200:2729   
 201:2561    202:922     203:603     204:1733    205:1609    206:1125   
 207:1042    208:982     209:1384    210:290     211:422     212:711    
 213:566     214:1060    215:37      216:1677    217:302     218:515    
 219:19      220:31      221:294     222:18      223:626    

End of report


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