[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 21 20:16:31 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 21 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:                              183110
    Prefixes after maximum aggregation (per Origin AS):           79898
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100062
    Number of IPv4 prefixes with a valid ROA:                     69781
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         113310
Total ASes present in the Internet Routing Table:                 15543
    Prefixes per ASN:                                             11.78
Origin-only ASes present in the Internet Routing Table:           13433
Origin ASes announcing only one prefix:                            6129
Transit ASes present in the Internet Routing Table:                2110
Transit-only ASes present in the Internet Routing Table:            572
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 (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:                      43881
Number of 32-bit ASNs visible in the Routing Table:                5624
Prefixes from 32-bit ASNs in the Routing Table:                   18520
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:             98
Number of addresses announced to Internet:                   1026925241
    Equivalent to 61 /8s, 53 /16s and 162 /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:       53328

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

Prefixes being announced by APNIC Region ASes:                    28700
    Total APNIC prefixes after maximum aggregation:                6510
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28443
    Unique aggregates announced from the APNIC address blocks:     7541
APNIC Region origin ASes present in the Internet Routing Table:    1102
    APNIC Prefixes per ASN:                                       25.81
APNIC Region origin ASes announcing only one prefix:                437
APNIC Region transit ASes present in the Internet Routing Table:    180
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    476
Number of APNIC addresses announced to Internet:              157724296
    Equivalent to 9 /8s, 102 /16s and 174 /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:                     82473
    Total ARIN prefixes after maximum aggregation:                44857
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81349
    Unique aggregates announced from the ARIN address blocks:     50568
ARIN Region origin ASes present in the Internet Routing Table:     7200
    ARIN Prefixes per ASN:                                        11.30
ARIN Region origin ASes announcing only one prefix:                3072
ARIN Region transit ASes present in the Internet Routing Table:     645
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:    1469
Number of ARIN addresses announced to Internet:               605466721
    Equivalent to 36 /8s, 22 /16s and 176 /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:                     34871
    Total RIPE prefixes after maximum aggregation:                16446
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35357
    Unique aggregates announced from the RIPE address blocks:     23158
RIPE Region origin ASes present in the Internet Routing Table:     3267
    RIPE Prefixes per ASN:                                        10.82
RIPE Region origin ASes announcing only one prefix:                1402
RIPE Region transit ASes present in the Internet Routing Table:     510
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:    1207
Number of RIPE addresses announced to Internet:               157727952
    Equivalent to 9 /8s, 102 /16s and 188 /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:                   32131
    Total LACNIC prefixes after maximum aggregation:              10113
    LACNIC Deaggregation factor:                                   3.18
Prefixes being announced from the LACNIC address blocks:          31870
    Unique aggregates announced from the LACNIC address blocks:   15832
LACNIC Region origin ASes present in the Internet Routing Table:   3059
    LACNIC Prefixes per ASN:                                      10.42
LACNIC Region origin ASes announcing only one prefix:              1119
LACNIC Region transit ASes present in the Internet Routing Table:   614
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2343
Number of LACNIC addresses announced to Internet:              73950720
    Equivalent to 4 /8s, 104 /16s and 102 /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:                   4715
    Total AfriNIC prefixes after maximum aggregation:              1792
    AfriNIC Deaggregation factor:                                  2.63
Prefixes being announced from the AfriNIC address blocks:          5993
    Unique aggregates announced from the AfriNIC address blocks:   2871
AfriNIC Region origin ASes present in the Internet Routing Table:   247
    AfriNIC Prefixes per ASN:                                     24.26
AfriNIC Region origin ASes announcing only one prefix:               99
AfriNIC Region transit ASes present in the Internet Routing Table:   65
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:  129
Number of AfriNIC addresses announced to Internet:             32000512
    Equivalent to 1 /8s, 232 /16s and 74 /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        9667       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1479        188      34  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         778        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        9711      11346    3436  AMAZON-02, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2924       3633    1394  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1697       4898     316  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1547        100    1152  USDA-1, US
  5972        1421        396     641  DNIC-ASBLK-05800-06055, US
  7979         998         66     196  SERVERS-COM, US
   855         949        255      81  CANET-ASN-4, CA
 16625         898        419     828  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        1322        111    1077  AKAMAI-ASN1, NL
  3215         898       4818     295  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         722         60      22  Jordan Data Communications, JO
 58224         558        244     384  TCI, IR
  8452         542       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         383         34       5  ASN-ISKON, HR

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        5388       1555     867  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1089        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         994       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         569       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         485         66     208  Mega Cable, S.A. de C.V., MX
 28343         321         63     100  UNIFIQUE TELECOMUNICACOES SA, BR

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         655        239     194  LINKdotNET-AS, EG
 36992         439        644     278  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         206         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
 37054         154         12      90  Telecom-Malagasy, MG

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        9711      11346    3436  AMAZON-02, US
  9808        9667       8741      60  CHINAMOBILE-CN China Mobile Communicati
  8151        5388       1555     867  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2924       3633    1394  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1697       4898     316  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1547        100    1152  USDA-1, US
 56047        1479        188      34  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        9667         9607  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5388         4521  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2924         1530  DNIC-ASBLK-00306-00371, US
 56047        1479         1445  CMNET-HUNAN-AP China Mobile communications corp
   209        1697         1381  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
      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      /11:25      /12:74      
/13:116     /14:336     /15:673     /16:5282    /17:2514    /18:2608    
/19:5331    /20:8598    /21:10843   /22:19750   /23:20263   /24:106430  
/25:68      /26:40      /27:71      /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        2951        5388  UNINET, MX
 16509        2034        9711  AMAZON-02, US
   209         958        1697  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1857  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         690         829  BRSPD-PUBLIC, US
  6147         687        1089  Telefonica del Peru S.A.A., PE
  8376         562         722  Jordan Data Communications, JO
  7979         447         998  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         2:399       3:282       5:1061      6:148       7:5      
   8:623      11:171      12:256      13:315      14:100      15:281    
  16:174      17:6        18:701      20:33       21:4        22:188    
  23:1809     24:403      25:2        27:17       29:19       31:144    
  32:1        34:5        35:54       36:1139     37:499      38:839    
  39:523      40:8        41:557      42:21       43:186      44:28     
  45:2275     46:561      47:100      49:11       50:252      51:469    
  52:1346     54:271      55:919      57:16       58:4        59:34     
  60:19       61:62       62:332      63:464      64:1428     65:790    
  66:1228     67:675      68:164      69:713      70:147      71:188    
  72:363      74:727      75:387      76:208      77:264      78:492    
  79:161      80:198      81:185      82:174      83:128      84:185    
  85:321      86:146      87:140      88:124      89:449      90:98     
  91:503      92:396      93:778      94:490      95:1072     96:165    
  97:31       98:125      99:145     100:22      101:25      102:303    
 103:1056    104:690     105:29      106:3       107:219     108:295    
 109:221     110:24      111:1753    112:447     113:40      114:32     
 115:11      116:31      117:946     118:52      119:96      120:1093   
 121:31      122:80      123:20      124:57      125:11      128:358    
 129:321     130:479     131:782     132:498     133:264     134:331    
 135:65      136:374     137:449     138:721     139:396     140:576    
 141:322     142:695     143:575     144:322     145:59      146:458    
 147:322     148:611     149:519     150:290     151:494     152:363    
 153:117     154:526     155:660     156:364     157:227     158:317    
 159:527     160:313     161:416     162:699     163:289     164:620    
 165:366     166:102     167:383     168:959     169:153     170:1235   
 171:62      172:895     173:616     174:105     175:46      176:389    
 177:746     178:328     179:512     180:44      181:994     182:20     
 183:855     184:199     185:2075    186:984     187:789     188:492    
 189:1124    190:2908    191:188     192:3676    193:1170    194:774    
 195:551     196:467     197:433     198:1907    199:3349    200:2667   
 201:2579    202:943     203:590     204:1770    205:1675    206:1148   
 207:1049    208:970     209:1421    210:304     211:422     212:677    
 213:516     214:1042    215:43      216:1685    217:285     218:515    
 219:19      220:30      221:300     222:17      223:629    

End of report


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