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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 1 21:13:54 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Thu 01 May, 2025

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET/

Analysis Summary
----------------

BGP routing table entries examined:                              985705
    Prefixes after maximum aggregation (per Origin AS):          377084
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      478750
    Number of IPv4 prefixes with a valid ROA:                    547471
    Number of IPv4 prefixes with an invalid ROA:                    132
    Number of IPv4 prefixes with no ROA:                         438100
Total ASes present in the Internet Routing Table:                 76792
    Prefixes per ASN:                                             12.84
Origin-only ASes present in the Internet Routing Table:           65785
Origin ASes announcing only one prefix:                           26930
Transit ASes present in the Internet Routing Table:               11007
Transit-only ASes present in the Internet Routing Table:            550
Paths with bogon ASNs present in the IPv4 Routing Table:             18
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1036
    Number of instances of unregistered ASNs:                      1039
Number of 32-bit ASNs allocated by the RIRs:                      46308
Number of 32-bit ASNs visible in the Routing Table:               38170
Prefixes from 32-bit ASNs in the Routing Table:                  201154
Number of bogon 32-bit ASNs visible in the Routing Table:            24
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            471
Number of addresses announced to Internet:                   3105456384
    Equivalent to 185 /8s, 25 /16s and 129 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      326181

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

Prefixes being announced by APNIC Region ASes:                   256909
    Total APNIC prefixes after maximum aggregation:               76889
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          248030
    Unique aggregates announced from the APNIC address blocks:   103075
APNIC Region origin ASes present in the Internet Routing Table:   14597
    APNIC Prefixes per ASN:                                       16.99
APNIC Region origin ASes announcing only one prefix:               4448
APNIC Region transit ASes present in the Internet Routing Table:   1966
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10108
Number of APNIC addresses announced to Internet:              748271360
    Equivalent to 44 /8s, 153 /16s and 183 /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, 131072-155961
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:                    294970
    Total ARIN prefixes after maximum aggregation:               129694
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           296203
    Unique aggregates announced from the ARIN address blocks:    138442
ARIN Region origin ASes present in the Internet Routing Table:    19238
    ARIN Prefixes per ASN:                                        15.40
ARIN Region origin ASes announcing only one prefix:                7037
ARIN Region transit ASes present in the Internet Routing Table:    1996
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5196
Number of ARIN addresses announced to Internet:              1348741888
    Equivalent to 80 /8s, 100 /16s and 43 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    273871
    Total RIPE prefixes after maximum aggregation:               133752
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271774
    Unique aggregates announced from the RIPE address blocks:    174043
RIPE Region origin ASes present in the Internet Routing Table:    28901
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12044
RIPE Region transit ASes present in the Internet Routing Table:    3989
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12416
Number of RIPE addresses announced to Internet:               731353088
    Equivalent to 43 /8s, 151 /16s and 144 /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,
                        53/8,  57/8,  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:                  123468
    Total LACNIC prefixes after maximum aggregation:              29367
    LACNIC Deaggregation factor:                                   4.20
Prefixes being announced from the LACNIC address blocks:         120003
    Unique aggregates announced from the LACNIC address blocks:   48855
LACNIC Region origin ASes present in the Internet Routing Table:  11230
    LACNIC Prefixes per ASN:                                      10.69
LACNIC Region origin ASes announcing only one prefix:              2706
LACNIC Region transit ASes present in the Internet Routing Table:  2474
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9175
Number of LACNIC addresses announced to Internet:             171729408
    Equivalent to 10 /8s, 60 /16s and 98 /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:                  35451
    Total AfriNIC prefixes after maximum aggregation:              6768
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         49223
    Unique aggregates announced from the AfriNIC address blocks:  13951
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     25.72
AfriNIC Region origin ASes announcing only one prefix:              695
AfriNIC Region transit ASes present in the Internet Routing Table:  377
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275
Number of AfriNIC addresses announced to Internet:            105138176
    Equivalent to 6 /8s, 68 /16s and 72 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10454       8754      93  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4316        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3675       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3265       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2859        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2188      11523     650  KIXS-AS-KR Korea Telecom, KR
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13215      39692    4255  AMAZON-02, US
 22773        8274       3054     218  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4711        312     591  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
   174        3646       8755     920  COGENT-174, US
  6327        3621       1320      81  SHAW, CA
   749        3253      54863    2504  DNIC-AS-00749, US
 16625        3119       1311    2257  AKAMAI-AS, US
396982        2966       3651     474  GOOGLE-CLOUD-PLATFORM, US
 36352        2775        227     853  AS-COLOCROSSING, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7704       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4059       3395     127  AKAMAI-ASN1, NL
  9009        3771        326    1958  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2361        360     584  TELLCOM-AS, TR
212238        2112        150    1555  CDNEXT, GB
  8452        1646       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1423        366      33  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12026       3242     585  UNINET, MX
 10620        3521        485     995  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1995        369      64  Instituto Costarricense de Electricidad y
 28573        1359       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1198        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1191        371      22  Telefonica del Peru S.A.A., PE
 22884        1057         70     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1043        374     163  Axtel, S.A.B. de C.V., MX

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1744        631      30  RAYA-AS, EG
 24863        1650        389      16  LINKdotNET-AS, EG
 29571        1594        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1431       1518     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  Vodafone-, EG
 20011         980        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
 36914         539         82       3  KENET-AS, KE
 15399         521         56      54  WANANCHI-, KE

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13215      39692    4255  AMAZON-02, US
  8151       12026       3242     585  UNINET, MX
  9808       10454       8754      93  CHINAMOBILE-CN China Mobile Communication
 22773        8274       3054     218  ASN-CXA-ALL-CCI-22773-RDC, US
 12479        7704       1714     148  UNI2-AS, ES
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4711        312     591  CABLEONE, US
 18403        4316        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       12026        11441  UNINET, MX
  9808       10454        10361  CHINAMOBILE-CN China Mobile Communications Grou
 22773        8274         8056  ASN-CXA-ALL-CCI-22773-RDC, US
 12479        7704         7556  UNI2-AS, ES
  7545        6215         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4316         4291  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4237         3959  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4059         3932  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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/AARNET/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:41      /11:93      /12:300     
/13:583     /14:1221    /15:2164    /16:13931   /17:8289    /18:13740   
/19:24602   /20:43702   /21:51740   /22:112472  /23:103453  /24:609341  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 22773        7396        8274  ASN-CXA-ALL-CCI-22773-RDC, US
 12479        6626        7704  UNI2-AS, ES
  8151        6230       12026  UNINET, MX
 11492        3531        4711  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 16509        2350       13215  AMAZON-02, US
 30036        2234        2575  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2187        3521  Telmex Colombia S.A., CO

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

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

   1:2333      2:1526      3:645       4:9         5:4675      6:162    
   7:6         8:1554      9:1        11:172      12:1365     13:359    
  14:2514     15:353      16:282      17:368      18:912      20:514    
  21:4        22:188      23:7536     24:2987     25:2        27:2778   
  29:19       31:3226     32:36       33:1        34:80       35:208    
  36:2488     37:4691     38:9049     39:907      40:169      41:4199   
  42:1951     43:2576     44:378      45:18499    46:5048     47:293    
  49:1932     50:1900     51:590      52:1550     54:301      55:1087   
  56:11       57:256      58:2205     59:1213     60:1169     61:2772   
  62:2941     63:1824     64:5481     65:2119     66:4654     67:3068   
  68:1859     69:3930     70:1714     71:628      72:3337     74:2782   
  75:1618     76:614      77:2730     78:1895     79:1758     80:2199   
  81:2054     82:3220     83:1436     84:1850     85:3417     86:1047   
  87:2152     88:1317     89:4334     90:782      91:8332     92:2719   
  93:2903     94:4074     95:4357     96:1460     97:312      98:1364   
  99:668     100:72      101:1147    102:3908    103:32208   104:4814   
 105:751     106:1045    107:2643    108:1208    109:4073    110:2230   
 111:3334    112:2048    113:1795    114:1963    115:2207    116:2038   
 117:2747    118:2894    119:1955    120:1882    121:1375    122:2753   
 123:2176    124:1568    125:2848    126:91      128:1611    129:954    
 130:1305    131:1937    132:784     133:451     134:1543    135:331    
 136:1306    137:1301    138:2874    139:1622    140:1576    141:1493   
 142:1906    143:1676    144:1079    145:502     146:2159    147:2101   
 148:2676    149:2877    150:1254    151:1811    152:2103    153:566    
 154:8230    155:1660    156:3429    157:1899    158:1293    159:2440   
 160:3580    161:1914    162:3748    163:2112    164:1696    165:2201   
 166:1455    167:1876    168:4036    169:791     170:5066    171:1010   
 172:4425    173:3260    174:1033    175:1301    176:3661    177:4640   
 178:3689    179:2272    180:2608    181:4049    182:3392    183:2058   
 184:2240    185:21559   186:5088    187:4439    188:4212    189:4206   
 190:9508    191:1468    192:11242   193:9459    194:7765    195:5504   
 196:3299    197:3666    198:6224    199:8485    200:8197    201:6324   
 202:10397   203:10625   204:4544    205:3626    206:4624    207:3558   
 208:4257    209:5208    210:4590    211:2534    212:4527    213:3711   
 214:1030    215:48      216:6715    217:3147    218:1333    219:376    
 220:2084    221:1058    222:724     223:2347   

End of report


More information about the ren-bgp-stats-all mailing list