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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 7 21:40:16 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Fri 07 Mar, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              975832
    Prefixes after maximum aggregation (per Origin AS):          373421
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476393
    Number of IPv4 prefixes with a valid ROA:                    536037
    Number of IPv4 prefixes with an invalid ROA:                    184
    Number of IPv4 prefixes with no ROA:                         439611
Total ASes present in the Internet Routing Table:                 76656
    Prefixes per ASN:                                             12.73
Origin-only ASes present in the Internet Routing Table:           65716
Origin ASes announcing only one prefix:                           26876
Transit ASes present in the Internet Routing Table:               10940
Transit-only ASes present in the Internet Routing Table:            547
Paths with bogon ASNs present in the IPv4 Routing Table:            310
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1110
    Number of instances of unregistered ASNs:                      1127
Number of 32-bit ASNs allocated by the RIRs:                      46172
Number of 32-bit ASNs visible in the Routing Table:               37888
Prefixes from 32-bit ASNs in the Routing Table:                  199183
Number of bogon 32-bit ASNs visible in the Routing Table:            63
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            465
Number of addresses announced to Internet:                   3109939456
    Equivalent to 185 /8s, 93 /16s and 233 /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:      320171

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

Prefixes being announced by APNIC Region ASes:                   255311
    Total APNIC prefixes after maximum aggregation:               75893
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247231
    Unique aggregates announced from the APNIC address blocks:   102561
APNIC Region origin ASes present in the Internet Routing Table:   14507
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4429
APNIC Region transit ASes present in the Internet Routing Table:   1953
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         37
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10015
Number of APNIC addresses announced to Internet:              748438272
    Equivalent to 44 /8s, 156 /16s and 67 /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:                    288275
    Total ARIN prefixes after maximum aggregation:               128268
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289046
    Unique aggregates announced from the ARIN address blocks:    136496
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.03
ARIN Region origin ASes announcing only one prefix:                7030
ARIN Region transit ASes present in the Internet Routing Table:    1985
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5167
Number of ARIN addresses announced to Internet:              1350116352
    Equivalent to 80 /8s, 121 /16s and 36 /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:                    272732
    Total RIPE prefixes after maximum aggregation:               132554
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270690
    Unique aggregates announced from the RIPE address blocks:    172839
RIPE Region origin ASes present in the Internet Routing Table:    28843
    RIPE Prefixes per ASN:                                         9.38
RIPE Region origin ASes announcing only one prefix:               12059
RIPE Region transit ASes present in the Internet Routing Table:    3970
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12287
Number of RIPE addresses announced to Internet:               732815360
    Equivalent to 43 /8s, 173 /16s and 224 /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:                  123302
    Total LACNIC prefixes after maximum aggregation:              29174
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120256
    Unique aggregates announced from the LACNIC address blocks:   48831
LACNIC Region origin ASes present in the Internet Routing Table:  11195
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2658
LACNIC Region transit ASes present in the Internet Routing Table:  2479
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9145
Number of LACNIC addresses announced to Internet:             173692416
    Equivalent to 10 /8s, 90 /16s and 86 /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:                  35102
    Total AfriNIC prefixes after maximum aggregation:              6826
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         48143
    Unique aggregates announced from the AfriNIC address blocks:  15264
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     25.15
AfriNIC Region origin ASes announcing only one prefix:              700
AfriNIC Region transit ASes present in the Internet Routing Table:  375
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1274
Number of AfriNIC addresses announced to Internet:            104643584
    Equivalent to 6 /8s, 60 /16s and 188 /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       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4412        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3671       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3266       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2840        850     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2148        434     193  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12948      39641    3936  AMAZON-02, US
 11492        4671        310     587  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3599       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3427       8767     956  COGENT-174, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3078       1310    2224  AKAMAI-AS, US
396982        2936       3660     453  GOOGLE-CLOUD-PLATFORM, US
 30036        2571        357     388  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7770       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4024       3395     129  AKAMAI-ASN1, NL
  9009        3768        323    1943  M247, RO
 12389        2978       2303     890  ROSTELECOM-AS, RU
 34984        2366        360     580  TELLCOM-AS, TR
212238        2028        146    1497  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1590       1852      14  TE-AS TE-AS, EG
 62240        1488         98     747  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11785       3236     590  UNINET, MX
 10620        3544        492     962  Telmex Colombia S.A., CO
 13999        2505        539     374  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1203        371      22  Telefonica del Peru S.A.A., PE
 11664        1168        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1109        374     163  Axtel, S.A.B. de C.V., MX
 22884        1045         82     369  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1578        100     104  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         851       1083      15  MOBINIL, EG
  6713         556       1861      35  IAM-AS, MA
 36914         546         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12948      39641    3936  AMAZON-02, US
  8151       11785       3236     590  UNINET, MX
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7770       1714     145  UNI2-AS, ES
  7545        6211        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4671        310     587  CABLEONE, US
 18403        4412        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11785        11195  UNINET, MX
  9808       10326        10238  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7770         7625  UNI2-AS, ES
  7545        6211         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4412         4387  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4671         4084  CABLEONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922         3896  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    100467  UNALLOCATED  5.59.222.0/24           200467  SHARENKOV, UA
     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

Complete listing at https://bgp.nsrc.org/REN/USP/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/USP/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/USP/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      /10:42      /11:92      /12:304     
/13:586     /14:1224    /15:2168    /16:13957   /17:8297    /18:13721   
/19:24582   /20:43822   /21:51790   /22:111974  /23:101097  /24:602143  
/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        6711        7770  UNI2-AS, ES
  8151        5997       11785  UNINET, MX
 11492        3527        4671  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2717        3599  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2334       12948  AMAZON-02, US
 30036        2229        2571  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3544  Telmex Colombia S.A., CO

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

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

   1:2327      2:1532      3:583       4:10        5:4566      6:167    
   7:6         8:1551      9:1        11:172      12:1377     13:346    
  14:2512     15:350      16:279      17:363      18:926      20:460    
  21:4        22:188      23:7339     24:3021     25:2        27:2746   
  29:19       31:3189     32:35       34:79       35:203      36:2407   
  37:4617     38:8716     39:897      40:153      41:4214     42:2006   
  43:2532     44:356      45:18355    46:4998     47:288      49:1976   
  50:1887     51:589      52:1565     54:302      55:865      56:9      
  57:244      58:2216     59:1198     60:1166     61:2781     62:2912   
  63:1827     64:5506     65:2117     66:4641     67:3018     68:1154   
  69:3955     70:1161     71:614      72:2869     74:2779     75:1652   
  76:610      77:2687     78:1883     79:1716     80:2191     81:2013   
  82:2746     83:1396     84:1810     85:3364     86:1028     87:2162   
  88:1311     89:4318     90:780      91:8328     92:2796     93:2893   
  94:3908     95:4291     96:1412     97:318      98:994      99:739    
 100:71      101:1137    102:3668    103:32211   104:4809    105:758    
 106:997     107:2610    108:1206    109:4108    110:2224    111:3315   
 112:2042    113:1791    114:1938    115:2161    116:2038    117:2760   
 118:2884    119:1956    120:1879    121:1361    122:2761    123:2178   
 124:1565    125:2868    126:88      128:1583    129:962     130:1282   
 131:1865    132:783     133:451     134:1532    135:328     136:1270   
 137:1245    138:2892    139:1604    140:1552    141:1467    142:1825   
 143:1627    144:1050    145:476     146:2155    147:2075    148:2586   
 149:2859    150:1237    151:1953    152:2106    153:571     154:7865   
 155:1609    156:3287    157:1911    158:1270    159:2427    160:3568   
 161:1928    162:3677    163:1876    164:1695    165:2187    166:1387   
 167:1873    168:4065    169:791     170:5080    171:1003    172:4456   
 173:3227    174:921     175:1265    176:3656    177:4744    178:3779   
 179:2222    180:2573    181:4017    182:3373    183:2066    184:2314   
 185:21504   186:5086    187:4337    188:4210    189:4208    190:9621   
 191:1536    192:11167   193:9409    194:7744    195:5537    196:3245   
 197:3654    198:6121    199:8377    200:8163    201:6296    202:10379  
 203:10598   204:4508    205:3624    206:4588    207:3484    208:4177   
 209:5145    210:4563    211:2525    212:4509    213:3746    214:1058   
 215:41      216:6562    217:3113    218:1333    219:371     220:2095   
 221:1055    222:717     223:2316   

End of report


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