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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 5 21:13:59 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Mon 05 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:                              981356
    Prefixes after maximum aggregation (per Origin AS):          377495
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      478811
    Number of IPv4 prefixes with a valid ROA:                    544303
    Number of IPv4 prefixes with an invalid ROA:                    144
    Number of IPv4 prefixes with no ROA:                         436909
Total ASes present in the Internet Routing Table:                 76807
    Prefixes per ASN:                                             12.78
Origin-only ASes present in the Internet Routing Table:           65794
Origin ASes announcing only one prefix:                           26961
Transit ASes present in the Internet Routing Table:               11013
Transit-only ASes present in the Internet Routing Table:            549
Paths with bogon ASNs present in the IPv4 Routing Table:             18
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1048
    Number of instances of unregistered ASNs:                      1051
Number of 32-bit ASNs allocated by the RIRs:                      46335
Number of 32-bit ASNs visible in the Routing Table:               38187
Prefixes from 32-bit ASNs in the Routing Table:                  201281
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:            473
Number of addresses announced to Internet:                   3110024448
    Equivalent to 185 /8s, 95 /16s and 53 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      321637

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

Prefixes being announced by APNIC Region ASes:                   257003
    Total APNIC prefixes after maximum aggregation:               76937
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          248097
    Unique aggregates announced from the APNIC address blocks:   103085
APNIC Region origin ASes present in the Internet Routing Table:   14598
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4463
APNIC Region transit ASes present in the Internet Routing Table:   1969
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10109
Number of APNIC addresses announced to Internet:              748275712
    Equivalent to 44 /8s, 153 /16s and 200 /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:                    290146
    Total ARIN prefixes after maximum aggregation:               129947
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           291461
    Unique aggregates announced from the ARIN address blocks:    138518
ARIN Region origin ASes present in the Internet Routing Table:    19243
    ARIN Prefixes per ASN:                                        15.15
ARIN Region origin ASes announcing only one prefix:                7049
ARIN Region transit ASes present in the Internet Routing Table:    1994
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          43
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5205
Number of ARIN addresses announced to Internet:              1353267200
    Equivalent to 80 /8s, 169 /16s and 56 /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:                    274021
    Total RIPE prefixes after maximum aggregation:               133866
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271868
    Unique aggregates announced from the RIPE address blocks:    174062
RIPE Region origin ASes present in the Internet Routing Table:    28905
    RIPE Prefixes per ASN:                                         9.41
RIPE Region origin ASes announcing only one prefix:               12051
RIPE Region transit ASes present in the Internet Routing Table:    3984
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:   12415
Number of RIPE addresses announced to Internet:               731352320
    Equivalent to 43 /8s, 151 /16s and 141 /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:                  123678
    Total LACNIC prefixes after maximum aggregation:              29355
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         120167
    Unique aggregates announced from the LACNIC address blocks:   48814
LACNIC Region origin ASes present in the Internet Routing Table:  11233
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2702
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:  9180
Number of LACNIC addresses announced to Internet:             171749632
    Equivalent to 10 /8s, 60 /16s and 177 /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:                  35460
    Total AfriNIC prefixes after maximum aggregation:              6771
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         49289
    Unique aggregates announced from the AfriNIC address blocks:  13942
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     25.77
AfriNIC Region origin ASes announcing only one prefix:              696
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: 1278
Number of AfriNIC addresses announced to Internet:            105154816
    Equivalent to 6 /8s, 68 /16s and 137 /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        6216        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4308        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4240        531     278  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3688       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3257       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2859        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2187      11523     647  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       13327      40827    4476  AMAZON-02, US
 11492        4711        312     591  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3611       3053     208  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3590       8753     916  COGENT-174, US
   749        3254      54863    2505  DNIC-AS-00749, US
 16625        3123       1312    2258  AKAMAI-AS, US
396982        2956       3657     470  GOOGLE-CLOUD-PLATFORM, US
 36352        2776        227     854  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        7726       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4058       3395     127  AKAMAI-ASN1, NL
  9009        3789        327    1974  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2129        150    1571  CDNEXT, GB
  8452        1647       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1419        366      39  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       12034       3243     585  UNINET, MX
 10620        3522        486     994  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1994        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        1197        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1192        371      22  Telefonica del Peru S.A.A., PE
 22884        1055         70     382  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        1600        103      23  ORANGE-COTE-IVOIRE, CI
 36992        1430       1518     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1036        523      45  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       13327      40827    4476  AMAZON-02, US
  8151       12034       3243     585  UNINET, MX
  9808       10454       8754      93  CHINAMOBILE-CN China Mobile Communication
 12479        7726       1714     148  UNI2-AS, ES
  7545        6216        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4711        312     591  CABLEONE, US
 18403        4308        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4240        531     278  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4058       3395     127  AKAMAI-ASN1, NL

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       12034        11449  UNINET, MX
  9808       10454        10361  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7726         7578  UNI2-AS, ES
  7545        6216         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4308         4283  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4240         3962  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4058         3931  AKAMAI-ASN1, NL
  7552        3919         3893  VIETEL-AS-AP Viettel Group, VN

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     /14:1222    /15:2166    /16:13997   /17:8292    /18:13744   
/19:24621   /20:43731   /21:51726   /22:112006  /23:101744  /24:607057  
/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
 12479        6648        7726  UNI2-AS, ES
  8151        6239       12034  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
 22773        2742        3611  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2341       13327  AMAZON-02, US
 30036        2222        2563  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3522  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)
----------------------------------------------

   1:2332      2:1528      3:681       4:10        5:4685      6:162    
   7:6         8:1552      9:1        11:172      12:1366     13:363    
  14:2515     15:353      16:283      17:368      18:921      20:515    
  21:4        22:188      23:7529     24:2807     25:2        27:2776   
  29:19       31:3243     32:36       33:1        34:80       35:206    
  36:2499     37:4691     38:9074     39:908      40:167      41:4191   
  42:1954     43:2575     44:376      45:18548    46:5051     47:293    
  49:1935     50:1888     51:587      52:1553     54:301      55:1084   
  56:11       57:257      58:2204     59:1213     60:1169     61:2773   
  62:2946     63:1824     64:5477     65:2117     66:4661     67:3068   
  68:1157     69:3921     70:1150     71:628      72:2869     74:2778   
  75:1619     76:614      77:2730     78:1894     79:1751     80:2201   
  81:2039     82:3213     83:1437     84:1854     85:3419     86:1050   
  87:2157     88:1316     89:4337     90:781      91:8345     92:2724   
  93:2903     94:4091     95:4356     96:1457     97:312      98:1020   
  99:671     100:72      101:1156    102:3908    103:32220   104:4817   
 105:756     106:1032    107:2648    108:1206    109:4085    110:2230   
 111:3329    112:2049    113:1787    114:1963    115:2208    116:2035   
 117:2749    118:2888    119:1955    120:1882    121:1374    122:2751   
 123:2178    124:1570    125:2846    126:91      128:1606    129:951    
 130:1303    131:1932    132:778     133:451     134:1537    135:331    
 136:1302    137:1301    138:2893    139:1628    140:1575    141:1493   
 142:1904    143:1685    144:1080    145:505     146:2160    147:2103   
 148:2681    149:2852    150:1250    151:1828    152:2102    153:564    
 154:8222    155:1659    156:3392    157:1898    158:1292    159:2445   
 160:3575    161:1910    162:3723    163:2121    164:1703    165:2201   
 166:1470    167:1886    168:4035    169:792     170:5064    171:1010   
 172:4411    173:3259    174:916     175:1301    176:3664    177:4664   
 178:3660    179:2273    180:2610    181:4052    182:3392    183:2055   
 184:2114    185:21544   186:5112    187:4437    188:4213    189:4219   
 190:9617    191:1472    192:11241   193:9459    194:7773    195:5507   
 196:3297    197:3664    198:6222    199:8463    200:8202    201:6279   
 202:10406   203:10640   204:4543    205:3636    206:4625    207:3558   
 208:4269    209:5206    210:4588    211:2533    212:4523    213:3707   
 214:1030    215:48      216:6713    217:3141    218:1333    219:376    
 220:2087    221:1058    222:724     223:2350   

End of report


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